Stonemason, Bricklayer and Masonry Contractor Tax Deductions (2026 Schedule C Guide)

Published: October 8, 2026 · Reading time: 13 min

TL;DR: A self-employed stonemason, bricklayer or masonry contractor reports on Schedule C and pays self-employment tax on net profit. Four things set the trade apart. First, stone, block and mortar are deducted when consumed on a job, not when the pallet arrives. Second, the work truck is the biggest decision: the 2026 standard mileage rate is 72.5 cents per mile through June 30 and 76 cents from July 1, and the choice between it and actual expenses is locked in by what you do in the vehicle's first year. Third, commuting is the trap: the drive from home to a rented yard or shop is not deductible, while the drive from home to a temporary job site can be. Fourth, a hired helper is either a contractor on Line 11 or an employee on Line 26, and the label does not decide which. In the worked example below, a single mason with $168,000 of receipts nets $87,554.50, owes $12,371.06 of self-employment tax and gets a QBI deduction of $13,053.79, because the taxable-income cap binds.

Masonry is a business that runs on a truck. You carry pallets of stone, bags of cement and a mixer to a job, work outdoors for weeks, and drive back to a yard or a driveway at night. The tax return reflects that. The lines that cause trouble each year are the same: when materials become a deduction, which truck miles count, how to treat a second mason, and which tools you can write off at once.

Which Drives Count: Yard, Home and Job Site

Start with mileage, because it is usually the largest single deduction and the one with the most rules. Publication 463 begins with commuting: "You can't deduct the costs of taking a bus, trolley, subway, or taxi, or of driving a car between your home and your main or regular place of work. These costs are personal commuting expenses. You can't deduct commuting expenses no matter how far your home is from your regular place of work."

A mason usually has one of three setups, and the setup decides the treatment of the daily drive to a job:

• A regular yard, shop or storage lot away from home. Publication 463 says: "If you have one or more regular work locations away from your home and you commute to a temporary work location in the same trade or business, you can deduct the expenses of the daily round-trip transportation between your home and the temporary location, regardless of distance." A wall, patio or fireplace job that is "realistically expected to last (and does in fact last) for 1 year or less" is temporary, unless facts and circumstances indicate otherwise. The drive from home to the yard itself is commuting.
• No regular place of work outside the home. Publication 463 says: "If you have no regular place of work but ordinarily work in the metropolitan area where you live, you can deduct daily transportation costs between home and a temporary work site outside that metropolitan area." It adds: "You can't deduct daily transportation costs between your home and temporary work sites within your metropolitan area. These are nondeductible commuting expenses." That sentence matters to a mason who stores everything at home and works on local jobs.
• A home office that qualifies as your principal place of business. Publication 463 says: "If you have an office in your home that qualifies as a principal place of business, you can deduct your daily transportation costs between your home and another work location in the same trade or business." Publication 587 sets the test: you use the space exclusively and regularly for administrative or management activities, and you have no other fixed location where you conduct substantial administrative or management activities of the business. Estimating and billing at a kitchen table does not meet the exclusive-use part. See the home-office mileage guide.

Hauling. Publication 463 says: "Hauling tools or instruments in your car while commuting to and from work doesn't make your car expenses deductible. However, you can deduct any additional costs you have for hauling tools or instruments (such as for renting a trailer you tow with your car)." A loaded truck on a commute is still a commute, but a rented trailer for a mixer or a pallet is an additional cost.

Two sentences from Publication 463 shape a mason's records. A work location is temporary when it is expected to last one year or less "unless there are facts and circumstances that would indicate otherwise," and a job that comes to be expected to last more than a year stops being temporary from the date you determine that. Keep the contract and the dates in the job file. For more on the rules, see commuting versus business miles and temporary work locations.

Standard Mileage Rate or Actual Expenses

The Schedule C instructions say for Line 9: "You can deduct the actual expenses of operating your car or truck or take the standard mileage rate." The choice is not free in every year, and it can be locked in on the day you buy the truck.

The 2026 rate is split. The IRS lists 72.5 cents per mile for January 1 through June 30 (IR-2025-128) and 76 cents per mile from July 1 through December 31 (IR-2026-29). Apply each rate to the miles driven in that period. In 2026 the later half carries the higher rate, so a mason whose busiest months run from July to October gets more per mile than the January figure suggests. See the 2026 rate guide.

The rules that bind you come from Publication 463:

• First-year choice. "If you want to use the standard mileage rate for a car you own, you must choose to use it in the first year the car is available for use in your business. Then, in later years, you can choose to use either the standard mileage rate or actual expenses." For a leased car you must use it for the entire lease period.
• Depreciation in year one forecloses it. "If, in the year you first place a car in service, you claim either a section 179 deduction or use a depreciation method other than straight line for its estimated useful life, you can't use the standard mileage rate on that car in any future year." The not-allowed list also names the special depreciation allowance.
• Five or more cars at once. You can't use the standard rate if you use "five or more cars at the same time (such as in fleet operations)." Alternating vehicles does not count as using them at the same time, and a mason with a pickup and a flatbed is nowhere near five.
• What the rate covers. "If you use the standard mileage rate for a year, you can't deduct your actual car expenses for that year," which includes depreciation, lease payments, maintenance and repairs, gasoline, oil, insurance and registration. You can add business-related parking fees and tolls.
• Actual expenses are split by use. Publication 463's example is a contractor who drives 20,000 miles with 12,000 for business and 8,000 personal and "can claim only 60% (12,000 ÷ 20,000) of the cost of operating your car as a business expense."

A loaded truck is a reason to run both numbers, not a reason to guess. A pickup that carries a ton of stone every day burns more fuel and tires than the rate assumes, and a heavy purchase can be worth more under actual expenses with depreciation. But the first-year rule above means you decide before you deduct anything. The Schedule C instructions we checked are the 2025 edition, and they repeat the same first-year condition for the standard rate.

If you buy a truck. Publication 463 defines a "car" for depreciation as a four-wheeled vehicle made primarily for use on public streets with a gross vehicle weight not more than 6,000 pounds. Heavier trucks sit outside the passenger-car depreciation caps, but a sport utility vehicle rated over 6,000 pounds and up to 14,000 pounds has its own section 179 cap, which Rev. Proc. 2025-32 sets at $32,000 for 2026. Publication 463 lists exceptions to that cap, including a vehicle with a cargo area of at least 6 feet in interior length that is an open area or is designed for use as an open area but is enclosed by a cap and isn't readily accessible directly from the passenger compartment. Whether your pickup falls inside the cap depends on its rating and body, so check the sticker and ask a CPA or EA before you sign. The mechanics are in the heavy-vehicle guide, business-use percentage and the cargo van rules, and the log requirements in what a mileage log must contain.

Materials: Stone, Block, Mortar and Sand

The Line 22 instructions say: "In most cases, you can deduct the cost of materials and supplies only to the extent you actually consumed and used them in your business during the tax year (unless you deducted them in a prior tax year)." Stone cut and set on a customer's wall this year is consumed this year. Stone, block and sand sitting on pallets in your yard at December 31 have not been consumed, and the same line separately says that if you "had incidental materials and supplies on hand for which you kept no inventories or records of use," you can deduct what you purchased in the year, "provided that method clearly reflects income." A mason who buys by the job and keeps a job file can usually show what was used. If you buy stone in bulk and hold it for resale, ask a CPA or EA whether Part III cost of goods sold applies. See COGS versus supplies and Line 22.

Three more rules decide placement:

• Your own labor is never a cost. The Line 21 instructions say "Do not deduct the value of your own labor."
• Equipment rentals and delivery. The Line 20a instructions cover rented "vehicles, machinery, or equipment," so scaffolding, a rented mixer or a trailer goes there (the Line 20 guide).
• Sales tax. Whether you pay sales or use tax on materials, or charge it to the customer, is set by each state. For the federal return, the Line 23 instructions allow a deduction for "State and local sales taxes imposed on you as the seller of goods or services," and say that "if you collected this tax from the buyer, you must also include the amount collected in gross receipts or sales on line 1." Check which case your state's law creates. The general framework is in the sales tax guide.

Helpers and Second Masons: Line 11 or Line 26

The Line 11 instructions say: "Contract labor includes payments to persons you do not treat as employees (for example, independent contractors) for services performed for your trade or business." Salaries and wages paid to employees go on Line 26 instead. A licensed mason you bring in for the second half of a big job can be a real subcontractor; a laborer who works your hours with your tools may not be, and a label on a payment does not decide that. The tests are in the worker-classification guide and the hiring comparison.

Filing duty changed for payments made in 2026. The Instructions for Forms 1099-MISC and 1099-NEC (12/2026) say: "For tax years beginning after 2025, the minimum threshold amount for reporting certain payments ... increased to $2,000 and may be adjusted for inflation beginning in calendar year 2027." For Form 1099-NEC, the instructions say to file for each person "to whom you have paid at least $2,000 in: Services performed by someone who is not your employee (including parts and materials)." Get a Form W-9 before the first payment. Details are in the 2026 threshold guide and Line 11.

The other side of the form matters too. If a general contractor pays you, check your own Forms 1099-NEC. The Line 1 instructions say: "If you received one or more Forms 1099-NEC, be sure line 1 includes amounts properly shown on your Forms 1099-NEC. If the total amounts that were reported in box 1 of Forms 1099-NEC are more than the total you are reporting on line 1, attach a statement explaining the difference."

Tools, Safety Gear and the $2,500 Line

Hand tools and consumables. The Line 22 instructions also allow "the cost of books, professional instruments, equipment, etc., if you normally use them within a year," while equipment whose "usefulness extends substantially beyond a year" must generally be recovered through depreciation. Diamond blades, chisels, string lines, masonry bits and gloves are used within a year. Respirators and eye and hearing protection are supplies for the same reason.

Machines and the safe harbor. For a taxpayer without an applicable financial statement, Notice 2015-82 raised the de minimis safe harbor limit "from $500 to $2,500" per invoice or item. The election statement must be titled "Section 1.263(a)-1(f) de minimis safe harbor election" and attached to a timely filed original return, and the regulation excludes "Amounts paid for property that is or is intended to be included in inventory property." A $1,850 wet saw and a $1,200 mixer each fit under the limit. A compressor, skid steer or trailer above $2,500 is capitalized and depreciated, or expensed under Section 179, which for 2026 has a maximum of $2,560,000 under Rev. Proc. 2025-32. The comparison is in the safe harbor guide.

Repairs. The Line 21 instructions allow "the cost of incidental repairs and maintenance that do not add to the property's value or appreciably prolong its life" and add "Do not deduct amounts spent to restore or replace property; they must be capitalized." Sharpening a saw and replacing a belt are repairs; rebuilding a mixer's engine may not be. See Line 21.

Insurance. General liability and business insurance premiums go on Line 15 ("Deduct premiums paid for business insurance on line 15"). Premiums on a truck you deduct at the standard rate are already inside the rate and are not deducted again. Premiums on a policy that "pays for your lost earnings due to sickness or disability" are not deductible there (Line 15).

The QBI Deduction for a Mason

The qualified business income deduction is worth up to 20% of QBI, and the rules in the QBI guide apply to a masonry contractor. The first question is whether the business is a specified service trade or business. Section 199A(d)(2) defines the term by reference to section 1202(e)(3)(A), "applied without regard to the words 'engineering, architecture,'" together with the reputation-or-skill category. Masonry and construction are not named fields. Treasury Regulation 1.199A-5 even says that "the performance of consulting services embedded in, or ancillary to, the sale of goods or performance of services on behalf of a trade or business that is otherwise not an SSTB (such as typical services provided by a building contractor) if there is no separate payment for the consulting services" is not consulting for this purpose. We found no IRS guidance classifying stonemasons specifically, so a mason who is also paid separately for design advice should ask a CPA or EA.

Three independent limits

Section 199A has more than one limit, and checking one does not check the others:

1. The SSTB rules. For 2026, Rev. Proc. 2025-32 sets the threshold at $201,750 for single filers and $403,500 for joint filers, with a phase-in range of $75,000 or $150,000 above it. Below the threshold, the SSTB question does not reduce the deduction.
2. The W-2 wage and property limit. Section 199A(b)(3)(A) says that for a taxpayer whose taxable income does not exceed the threshold, the paragraph (2) limit "shall be applied without regard to subparagraph (B)." Above the threshold, the limit phases in, and a mason with no employees and few depreciable assets can lose much of the deduction.
3. The taxable-income cap. The deduction cannot exceed 20% of taxable income minus net capital gain, and section 199A(e)(1) says taxable income for this purpose is computed "without regard to any deduction allowable under this section." In a moderate-income year with no other income this cap can bind even when QBI looks large, as it does below.

Worked Example: A Stonemason, Full Year 2026

Dana is single, with no dependents and no other income. She is a sole-proprietor stonemason who builds walls, patios and fireplace surrounds. She rents a small yard where she keeps stone and a saw station for $450 a month, and she has no qualifying home office. Her jobs last from a few days to four months, none longer than a year. She bought her pickup in a prior year, chose the standard mileage rate in its first year and has never claimed depreciation on it. She hired a second mason as a subcontractor for two large jobs, and she collected a Form W-9 first. She takes the de minimis safe harbor election. Sales tax on materials is passed through under her state's rules and is not in these figures.

Her mileage covers only deductible legs: home directly to job sites, yard to job sites, and supplier runs. She drove 6,900 of those miles from January 1 through June 30 and 7,800 from July 1 through December 31. Another 2,100 miles from home to the yard (1,000 in the first half, 1,100 in the second) were commuting and are left out. The 6,900 miles at 72.5 cents is $5,002.50, and the 7,800 miles at 76 cents is $5,928.00.

Net profit: $168,000.00 minus $80,445.50 is $87,554.50.

Self-employment tax. 92.35% of net profit is $80,856.58, which is well under the 2026 Social Security wage base of $184,500 (Publication 15), so the full 15.3% applies. The tax is $12,371.06, and half, $6,185.53, is an above-the-line deduction.

The QBI deduction, checked against all three limits.

The taxable-income cap limits her, not 20% of QBI.

Income tax and her real marginal rate. Taxable income after QBI is $65,268.97 minus $13,053.79, or $52,215.18. The 2026 single brackets under Rev. Proc. 2025-32 are 12% on income over $12,400 up to $50,400, where the tax is $5,800, and 22% on income over $50,400. Her tax is $5,800.00 plus 22% of $1,815.18, or $6,199.34. Her total federal tax is $18,570.40 ($6,199.34 plus $12,371.06), before any state tax. Only the top $1,815.18 of her taxable income is in the 22% bracket, which is why a small deduction near the edge is worth less than a flat 22%.

What a commuting mistake costs. Suppose Dana also deducted the 2,100 miles from home to the yard: 1,000 at 72.5 cents is $725.00 and 1,100 at 76 cents is $836.00, or $1,561.00. Net profit would fall to $85,993.50, self-employment tax to $12,150.49 and income tax to $5,944.01. Total federal tax would be $18,094.50, a reduction of $475.90, about 30 cents on each dollar of mileage ($220.57 of self-employment tax plus $255.33 of income tax, because her taxable income stays above $50,400), for a deduction Publication 463 does not allow. The reverse also holds: a mason with no yard and no qualifying home office, working inside one metropolitan area, would have to remove her home-to-job miles as well.

Common Mistakes to Avoid

1. Deducting the drive to your yard. It is commuting under Publication 463, however far it is.
2. Deducting home-to-job miles with no regular place of work, inside your metro area. Without a yard or a qualifying home office, those are commuting too.
3. Using one mileage rate for all of 2026. It was 72.5 cents through June 30 and 76 cents from July 1.
4. Claiming section 179 or the special depreciation allowance on a truck, then logging standard miles. If you claim either in the first year, you can't use the standard mileage rate on that truck in any future year.
5. Deducting stone in the yard. Materials are deductible to the extent consumed and used.
6. Treating a regular helper as a contractor without checking. The label does not decide employee status.
7. Missing a Form W-9, then paying a sub more than the threshold. For 2026 payments the 1099-NEC threshold is $2,000.
8. Expensing a skid steer under the $2,500 safe harbor. The limit is per invoice or item, and inventory property is excluded.
9. Ignoring the 1099-NEC totals. Line 1 must include the amounts shown on your Forms 1099-NEC, or you attach a statement explaining the difference.
10. Valuing your own labor. Neither Line 21 nor Part III allows a deduction for your own work.

How CentSense Helps

CentSense turns a season of jobs, supplier runs and truck trips into a Schedule C that reconciles:

• Scan every stone yard, hardware store, rental and tool receipt with AI as you pay it, categorized by Schedule C line
• Log miles by date (Solo plan) and note the purpose of each trip so the home-to-yard commute stays apart from job-site and supplier runs. CentSense's mileage export applies a single annual rate and does not apply the July 1, 2026 split (72.5 cents, then 76 cents) to each trip, so value each trip at the rate for its date
• Assign expenses to projects, such as one per job, so each wall or patio has its materials, rentals and subcontractor together
• Export a CPA-ready category breakdown as CSV when the return is due

CentSense tracks expenses and mileage. It does not issue Forms 1099-NEC, collect W-9s or decide whether a helper is an employee, so keep those records alongside it. For related reading, see Roofer Tax Deductions, Handyman and General Contractor Tax Deductions and Flooring Installer and Tile Setter Tax Deductions.

Frequently Asked Questions

Can a stonemason deduct the drive from home to a job site?

Sometimes. Publication 463 says you can't deduct the cost of driving between your home and your main or regular place of work, no matter how far, because that is commuting. If you have one or more regular work locations away from home, such as a rented yard or shop, and you drive to a temporary work location in the same trade or business, you can deduct the daily round trip between home and the temporary location regardless of distance. A job is temporary if it is realistically expected to last, and does in fact last, one year or less, unless facts and circumstances indicate otherwise. If you have no regular place of work, the drive from home to a temporary site is deductible only when the site is outside your metropolitan area, and driving to sites inside it is commuting. If your home office qualifies as your principal place of business under Publication 587, the drive between it and another work location in the same business is also deductible. The drive between your shop and a job site on the same day is deductible, limited to the direct route if you detour for personal reasons. Whether your yard or home office counts is a facts question, so confirm it with a CPA or EA.

Should a masonry contractor use the standard mileage rate or actual truck expenses?

Either can be allowed, but the first-year choice matters. Publication 463 says that to use the standard mileage rate for a car you own, you must choose it in the first year the car is available for use in your business; in later years you can use either method. If you instead claim a section 179 deduction, the special depreciation allowance, or any depreciation method other than straight line in the first year, you can't use the standard mileage rate on that vehicle in any future year. You also can't use the standard rate if you use five or more cars at the same time, as in fleet operations. The 2026 standard mileage rate is split: 72.5 cents per mile for January 1 through June 30 (IR-2025-128) and 76 cents per mile from July 1 (IR-2026-29). The rate covers depreciation, gas, repairs and insurance, but you can add business-related parking fees and tolls. With actual expenses you divide the cost of operating the truck between business and personal use by miles driven, so you need a log either way. Ask a CPA or EA to compare the two methods before you buy a truck.

Can I deduct hauling stone, block and tools in my truck?

Hauling does not turn a commute into a business trip. Publication 463 says hauling tools or instruments in your car while commuting to and from work doesn't make your car expenses deductible, but you can deduct any additional costs you have for hauling tools or instruments, such as renting a trailer you tow with your car. A rented trailer for a pallet of stone or a mixer is therefore deductible as an additional cost, usually on Line 20a. If you use the standard mileage rate, you can't also deduct gas, repairs, insurance or depreciation on the truck itself. Delivering material or tools between your yard and a job site on the same day is business mileage, but the home-to-yard commute is not.

Are stone, mortar, sand and cement deductible when I buy them or when I use them?

When you use them, in most cases. The Schedule C instructions for Line 22 say that in most cases you can deduct the cost of materials and supplies only to the extent you actually consumed and used them in your business during the tax year, unless you deducted them in a prior year. Stone and mortar bought for a customer's job and built into the wall that year are consumed that year. A pallet of stone still in your yard at year-end is not a current deduction on that reasoning, and if you keep stock for sale, ask a CPA or EA whether you need to take inventory in Part III. Your own labor is never deductible: the Line 21 instructions say not to deduct the value of your own labor. Sales and use tax on materials depends on your state, so check with your state revenue department.

How do I deduct a helper or a second mason I hire?

It depends on whether the worker is an employee. The Schedule C Line 11 instructions say contract labor includes payments to persons you do not treat as employees, such as independent contractors, for services performed for your business, while salaries and wages paid to your employees go on Line 26. Calling a helper a contractor does not make them one, so review the worker-classification rules before you decide. The Instructions for Forms 1099-MISC and 1099-NEC (12/2026) say to file Form 1099-NEC for each person to whom you paid at least $2,000 in the year for services performed by someone who is not your employee, and the threshold applies to payments for tax years beginning after 2025. Collect a Form W-9 before the first payment, and confirm your own filing duties with a CPA or EA.

Can I expense a wet saw or a mortar mixer in one year?

Often yes. Notice 2015-82 raised the de minimis safe harbor limit for a taxpayer without an applicable financial statement from $500 to $2,500, treated as a limit of $2,500 per invoice or per item as substantiated by the invoice. The election is made by attaching a statement titled Section 1.263(a)-1(f) de minimis safe harbor election to a timely filed original return, and the regulation excludes amounts paid for property that is or is intended to be included in inventory property. A $1,850 wet saw and a $1,200 mixer each fit under the limit, while a skid steer or a truck does not. For 2026, Rev. Proc. 2025-32 sets the section 179 maximum at $2,560,000 and caps the section 179 cost of a sport utility vehicle at $32,000. Larger purchases are capitalized and depreciated or expensed under section 179, so ask a CPA or EA which approach fits.

Can a stonemason take the QBI deduction?

Generally yes, if there is qualified business income, but several limits apply independently. A specified service trade or business gets no deduction above the income threshold, and masonry is not one of the listed fields; the regulations even describe consulting that is ancillary to the sale of goods or services by a business that is not otherwise an SSTB, such as typical services provided by a building contractor, as outside the consulting category when there is no separate payment for it. We found no IRS guidance classifying stonemasons specifically, so confirm that with a CPA or EA if you also design for a fee. For 2026 the taxable-income threshold under Rev. Proc. 2025-32 is $201,750 for single filers and $403,500 joint. Below it, the W-2 wage and property limit does not apply, and the deduction is the lesser of 20% of qualified business income and 20% of taxable income minus net capital gain, computed without regard to the QBI deduction itself. Above the threshold, the SSTB rules and the wage limit phase in over $75,000 for single filers and $150,000 for joint filers. In the worked example a single mason with no other income is capped by the taxable-income limit, not by 20% of QBI.

Authoritative References

• IRS — Publication 463, Travel, Gift, and Car Expenses
• IRS — Standard mileage rates (2026: 72.5 cents Jan 1–Jun 30 per IR-2025-128; 76 cents Jul 1–Dec 31 per IR-2026-29)
• IRS — Publication 587, Business Use of Your Home
• IRS — Instructions for Schedule C (Form 1040)
• IRS — Instructions for Forms 1099-MISC and 1099-NEC
• IRS — Notice 2015-82 (de minimis safe harbor limit)
• IRS — Rev. Proc. 2025-32 (2026 standard deduction, brackets, section 179 and section 199A amounts)
• IRS — Publication 15 (2026 Social Security wage base)
• 26 U.S.C. §199A — Qualified business income (Cornell LII)
• 26 CFR §1.199A-5 — Specified service trades or businesses (Cornell LII)
• 26 CFR §1.263(a)-1 — De minimis safe harbor election (Cornell LII)

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This guide is general education for U.S. stonemasons, bricklayers and masonry contractors filing a Schedule C in 2026. It is not personalized tax advice. Whether a yard or home office makes your job-site drives deductible, the standard-versus-actual choice for your truck, worker classification, state sales and use tax, and the QBI treatment of your income are judgment areas, and the facts that drive your numbers should be confirmed by a CPA or EA based on your full situation.