Do Contractors Charge Sales Tax on Labor? State-by-State Guide

AvatarByEric Dawson Business

Contractors charge sales tax on labor in North Carolina only when a job counts as repair, maintenance, or installation rather than a capital improvement. New construction, remodeling, and additions that meet the capital improvement test are exempt from sales tax on labor, though materials are still taxed. Arizona and New York work differently: Arizona folds labor into a Transaction Privilege Tax on 65% of gross receipts, while New York exempts labor on capital improvements but taxes labor on repairs, the same split North Carolina uses. This guide covers all three states, including Beaufort County, North Carolina, with the exact forms and the math behind each answer.

How Contractor Sales Tax on Labor Works

Contractor sales tax on labor depends on whether a state taxes contracting as a service and how it classifies the specific job. North Carolina, Arizona, and New York all draw a line between capital improvements, which typically skip tax on labor, and repair or maintenance work, which typically does not.

Three factors decide the outcome in every state: the jurisdiction where the work happens, the type of labor performed, and how the contract is structured, meaning a lump-sum price for the whole job versus a time-and-materials bill that separates labor from parts. A kitchen remodel and a leaky faucet repair can sit a few feet apart in the same house and land on opposite sides of the tax line, because one adds value to the property permanently and the other restores something that already existed. Contractors who work across state lines cannot assume one state’s rule carries over to the next, since each legislature wrote its own test.

North Carolina Sales Tax Rules for Contractor Labor

North Carolina exempts contractor labor from sales tax when a job is a capital improvement, but it taxes labor once the work falls under repair, maintenance, or installation services, known as RMI. That RMI category has applied statewide since January 1, 2017.

Capital improvements include new construction, reconstruction, and remodeling, and they generally need a building permit to qualify for the labor exemption. RMI work covers a different set of tasks: keeping property in working order, restoring property to its proper condition, troubleshooting a problem, installing or connecting tangible property, and inspecting or monitoring property. A furnace tune-up, a drywall patch after a leak, or a service call to fix a broken door are RMI. Adding a room, replacing a roof as part of a larger rebuild, or completing a full kitchen renovation are capital improvements.

Mixed contracts get their own rule. When RMI services make up more than 25% of a contract’s total price, the contractor must collect sales tax on that allocated RMI portion even if the rest of the job is a capital improvement. Below that 25% threshold, the RMI work can ride along with the exempt capital improvement without separate tax, provided the paperwork supports it.

Documentation carries the weight of proof. Contractors need a completed Form E-589CI, the Affidavit of Capital Improvement, signed by the property owner, to treat a job as tax exempt and to protect themselves if the state later audits the contract. Without that form on file, an auditor can default to treating the labor as taxable.

North Carolina’s base sales tax rate is 4.75%, and counties add their own local rate on top of it. Combined rates across the state run from about 6.75% to 7.5% as of September 2026, depending on the county and any city or district add-ons.

Beaufort County Sales Tax for Contractors and Subcontractors

Beaufort County charges a minimum combined sales tax rate of 6.75%, built from the 4.75% state rate plus a 2% county rate, before counting any city or special district tax that might apply on top. Searchers sometimes type “Buford County,” but North Carolina has no county by that name; Beaufort County, on the state’s coastal plain, is almost always what they mean.

The same capital improvement versus RMI distinction applies in Beaufort County as it does statewide, and that includes subcontractors. A subcontractor hired to install cabinets as part of a general contractor’s larger remodel follows the same exemption rules as the general contractor, provided the paperwork, including the E-589CI affidavit, is in place for the job. No published guidance singles out Beaufort County for different treatment, so contractors working there should apply the statewide rules described above rather than looking for a local exception.

Arizona Transaction Privilege Tax for Contractor Labor

Arizona does not charge a separate sales tax on contractor labor. Instead, prime contractors collect Transaction Privilege Tax, or TPT, on 65% of their gross receipts, which folds labor and materials into a single taxable base rather than taxing them as separate line items.

That 65% figure comes from a standard 35% deduction the state allows for labor costs on a contracting job, regardless of how much of the actual bill was labor versus materials. The deduction simplifies bookkeeping, since a contractor does not need to track labor and material costs separately to compute the tax, but it also means a very labor-heavy job and a very material-heavy job get taxed on the same 65% share of gross receipts.

General contractors, subcontractors, and specialty contractors alike must obtain a TPT license from the Arizona Department of Revenue before doing taxable work. Arizona’s base TPT rate is 5.6%, and cities and counties add their own rates on top of it. Phoenix carries a combined rate of 8.6% as of September 2026, once state, county, and city portions are added together. Rates in other Arizona cities vary, so the combined figure depends on where the job site sits.

Arizona also allows what industry guidance calls “election rules,” structuring options that can change how a contract is taxed and, in some cases, save a contractor a meaningful amount over the life of a project. Those elections depend on contract type and how the work is billed, so a contractor weighing them should confirm the details with the Arizona Department of Revenue or a tax professional before choosing.

New York Sales Tax Rules for Contractor Labor

New York exempts contractor labor from sales tax on capital improvement jobs, taxing only the materials, while labor for repair and maintenance work stays fully taxable alongside the materials used.

A job qualifies as a capital improvement in New York only if it passes a three-part test: the work must add value to the property, become permanently affixed to it, and be intended as a permanent installation rather than something the owner plans to remove later. Building a new deck onto a house can pass that test, while replacing a broken window pane in an existing frame generally cannot, since nothing new and permanent is being added.

To claim the exemption, the contractor needs a properly completed Certificate of Capital Improvement, Form ST-124, from the customer. That certificate relieves the contractor of tax liability on the labor portion of the job and shifts the recordkeeping burden onto a document signed before or at the time of the work.

New York State’s base sales tax rate is 4%, with local jurisdictions layering on their own rates. The combined average in New York City sits around 8.875% as of September 2026. Contractors who act as vendors, meaning they sell taxable goods or services directly, must also register for a Certificate of Authority with the New York State Department of Taxation and Finance before making any taxable sale.

A Worked Example of Contractor Labor Sales Tax

Real numbers make the capital improvement versus RMI split easier to see than definitions alone. The examples below use the sourced rates above with rounded contract amounts to show how the same $15,000 job gets taxed differently depending on its classification and its state.

North Carolina Example

Suppose a Beaufort County homeowner signs a $15,000 contract for a kitchen remodel, split into $9,000 of materials and $6,000 of labor, and the job meets the capital improvement test with a signed E-589CI on file. At the county’s 6.75% combined rate, tax applies only to the $9,000 in materials, for $607.50 in sales tax. If the same homeowner instead pays $1,200 to fix a leaking dishwasher line, a straightforward RMI repair, the full $1,200 is taxable, adding $81 in sales tax on top of the bill.

Arizona Example

A Phoenix contractor bills $20,000 in gross receipts for a room addition. Arizona’s 35% labor deduction leaves $13,000, or 65% of the total, as the taxable base. At Phoenix’s combined 8.6% rate, that works out to $1,118 in TPT, regardless of how the $20,000 actually split between labor and materials on the job.

New York Example

Consider a New York City homeowner who pays $10,000 for a capital improvement, split into $6,000 of labor and $4,000 of materials, backed by a signed ST-124. Only the $4,000 in materials is taxed at the city’s roughly 8.875% average, for about $355 in sales tax. A $10,000 repair job with no capital improvement certificate is taxed in full, for about $887.50, more than double the capital improvement example even though the contract price is identical.

State by State Comparison Table for Contractor Labor Sales Tax

North Carolina, Arizona, and New York tax contractor labor in three different ways, but all three exempt or reduce the tax on true capital improvement work compared with repair and maintenance.

State Labor on Capital Improvements Labor on Repairs, Maintenance, or Installation Base Tax Rate How to Claim the Exemption
North Carolina Exempt, tax on materials only Taxable 4.75% state plus local, 6.75% to 7.5% typical Form E-589CI Affidavit of Capital Improvement
Arizona 65% of gross receipts subject to TPT 65% of gross receipts subject to TPT 5.6% state plus local, 8.6% in Phoenix TPT license, plus optional election rules
New York Exempt, tax on materials only Taxable 4% state plus local, about 8.875% in New York City Form ST-124 Certificate of Capital Improvement

How to Document a Tax Exempt Capital Improvement

Contractors document a tax exempt capital improvement by collecting the right certificate from the property owner before or at the start of the job and keeping a copy on file in case of an audit. The exact steps differ slightly by state.

  1. Confirm the job qualifies. Check that the work adds value, is permanent, and meets each state’s own definition of a capital improvement rather than a repair.
  2. Get the right form signed. In North Carolina, that is Form E-589CI, the Affidavit of Capital Improvement, signed by the property owner. In New York, it is Form ST-124, the Certificate of Capital Improvement. Arizona has no equivalent certificate, since labor and materials are combined under the 65% TPT base instead.
  3. Register with the state first. Arizona contractors need a TPT license from the Arizona Department of Revenue before billing any job. New York contractors acting as vendors need a Certificate of Authority from the state’s Department of Taxation and Finance.
  4. Separate mixed contracts. If a North Carolina job mixes capital improvement work with RMI tasks, track the RMI portion separately so the contractor can apply the 25% rule correctly if RMI exceeds a quarter of the total price.
  5. Keep the paperwork with the job file. Store the signed certificate alongside the contract and invoices, not in a separate folder, so it can be produced quickly if the state opens an audit years later.

What to Do if a Contractor Charges Sales Tax Incorrectly

If a contractor charges sales tax incorrectly, ask for a corrected invoice first, since most billing errors get fixed at that stage without any need to involve the state. Keep a copy of the original invoice and any capital improvement certificate you signed, since those documents are what a contractor or the state will ask for.

When a contractor refuses to correct an invoice you believe is wrong, the property owner can contact the relevant state agency directly: the North Carolina Department of Revenue, the Arizona Department of Revenue, or the New York State Department of Taxation and Finance. Each agency handles disputes over contractor sales tax and can advise whether the job was classified correctly under that state’s rules.

Overcharges and undercharges create different risks. An overcharge means the customer paid too much and can typically request a refund or adjustment once the error is confirmed. Undercharging is riskier for the contractor, since the state can later assess the uncollected tax against the business, along with penalties, if an audit turns up a job that should have been taxed and was not. That risk is exactly why the documentation steps above matter, since a missing or incomplete certificate leaves a contractor with no defense if the classification is challenged later.

If I believed sales tax was added incorrectly, I would first ask the contractor to identify whether the job was treated as a capital improvement or as repair, maintenance, or installation work. In North Carolina and New York, that classification matters more than the labor label on the invoice. For a North Carolina capital improvement, I would make sure the E-589CI affidavit is completed rather than relying on a verbal explanation. Clear paperwork is the strongest practical protection when the tax result turns on the nature of the work.

Frequently Asked Questions

Do Subcontractors Charge Sales Tax on Labor the Same Way as General Contractors?

North Carolina and New York apply the same capital improvement versus repair distinction regardless of whether a general contractor or a subcontractor performs the work. Arizona requires every contractor type, including subcontractors and specialty contractors, to hold a TPT license, though prime contractors are the ones who typically collect and remit the tax on the full job.

Is a New Roof Taxable Labor in North Carolina?

A new roof installed as part of a larger capital improvement, such as a full remodel or new construction, is generally exempt on the labor portion. Patching a roof after storm damage, without a broader capital project attached, is more likely to be treated as RMI and taxed in full.

Does Arizona Ever Exempt Labor from TPT Entirely?

No published source in this guide describes a full labor exemption under Arizona’s contracting TPT system. The 35% standard deduction reduces the taxable base to 65% of gross receipts, but some tax is generally due on that reduced base regardless of the job type.

Can I Get a Refund if I Was Overcharged Sales Tax on Contractor Labor?

Yes, in most cases a customer who was charged sales tax on labor that should have been exempt can request a refund or adjustment once the error is confirmed, usually starting with the contractor and moving to the state revenue agency if needed. Keeping the original invoice and any signed capital improvement certificate speeds up that process.

Do These Rules Apply to Commercial Properties as Well as Homes?

The capital improvement and RMI definitions described in this guide are generally written around real property in general, covering both residential and commercial jobs, rather than being limited to homeowners. Contractors working on commercial buildings still need the same certificates and licenses described above for their state.

Contractor sales tax on labor comes down to two questions in every state covered here: does the job add something permanent to the property, and does the contractor have the right form signed before the work starts. Get those two things right in North Carolina, Arizona, or New York, and the tax bill follows the state’s published rules rather than guesswork.

What This Page Does Not Publish

  • I do not decide whether a particular Arizona project qualifies as a capital improvement; its facts can change the tax treatment.
  • I do not give personalised advice on contractor roles, contracts, or tax filings.

References

Author Profile

Eric Dawson
Eric Dawson
I'm Eric Dawson, the writer behind The Money Watch. I live in the Columbus, Ohio area and I write about the ordinary questions that turn out to be complicated: computers, shopping, food, travel, parking, small businesses, fees, rules and products. Every article starts with the official page, the maker or the agency, then the sources that check it, and I say plainly where they disagree and what I would do. More about how I work is on the About page.