Kentucky Sales Tax on a Roof Job: Who Actually Pays It

Kentucky Roof Work · Paperwork

Kentucky sales tax on a roof job is already paid before the roofer reaches your house — by the roofer, at the supply house, on the materials. The state’s own regulation names roofing as a building trade, treats a roof as a permanent improvement to real property rather than a retail sale, and says a contractor who does only contract work cannot even be issued a sales tax permit.

Do you pay Kentucky sales tax on a roof replacement?

Not as a separate line on the contract. The tax is imposed earlier in the chain, on the contractor’s purchase of the materials, under 103 KAR 26:070, the Department of Revenue’s regulation on contractors.

Section 2(1) is the operative sentence: all sales to contractors, subcontractors, builders or owners of building materials, fixtures and supplies “which are to be incorporated or fabricated into any structure or improvement to real estate by the process of erecting, remodeling, replacing, or repairing the structure or improvement are subject to the sales or use tax at the time of sale to the contractor.”

And it does not matter how the job is priced. The same subsection applies the rule “irrespective of the type of contract (lump sum and materials, cost plus fixed fee, or other) for which the purchase is made.” A time-and-materials roof and a lump-sum roof are taxed identically, and both are taxed at the distributor, not at your kitchen table.

Is roofing actually named in the regulation?

Yes, explicitly. Section 1(2)(a) lists the building trades the regulation treats as contractors, and roofing is item 8 on that list, alongside carpentry, sheet metal work, plumbing and the rest.

Section 1(1) then defines the agreement itself. A “construction contract” is a contract for erecting, remodeling or repairing a building or other structure on land, or for replacing, furnishing or installing materials or fixtures permanently to real property. A roof is about as clear an example of installing materials permanently to real property as the definition admits.

The exclusion in Section 1(2)(b) is where the line actually sits: “Contractor” and “subcontractor” do not include any person who repairs tangible personal property. That is the distinction that separates a roof from a lawn mower. Fixing something that stays movable is a taxable repair service; fixing something permanently attached to the land is a construction contract.

So why does a roofer not have a sales tax permit?

Because the regulation says one will not be issued. Section 3: a person, firm, partnership or corporation “engaged exclusively in construction work as a contractor or subcontractor is not required to hold a retail sales tax permit and a permit will not be issued to these persons.”

There is one exception, in Section 4: the “contractor-retailer,” defined in Section 1(3) as a dual business that also sells machinery, appliances or equipment, or resells over the counter the same building materials it uses in its own construction work. That operation does get a Retail Sales and Use Tax Permit, and can then issue resale certificates for inventory.

Section 5(1) completes the circuit from the supplier’s side: a Kentucky supplier, and any out-of-state supplier holding a use tax permit, “shall bill and collect Kentucky tax from the contractor.” That is not optional for the supply house, which is why a roofer’s material invoices carry tax on them.

Worth knowing because it comes up on commercial and institutional work: Section 2(2) bars a contractor from claiming the material purchase is exempt because the job is for the federal government, the state, a political subdivision, or a religious, educational or charitable institution. The customer’s own exempt status does not travel to the contractor’s material purchase.

What this means when you read a roofing estimate

A roofing estimate in Kentucky should not show sales tax as an add-on line to the contract price, because the contract is not a retail sale. The tax is a cost inside the materials number.

That has one practical consequence worth saying plainly: a quote that adds “+ 6% sales tax” to the total of a re-roof is not describing the regulation correctly, and it is worth asking what the line is. It may be a pricing convention, or it may be a misunderstanding, but it is not a tax the regulation asks you to pay on a construction contract. Our how to read a roofing estimate page covers the rest of what belongs on the document, and the roof repair cost guide covers what drives the underlying number.

The Department of Revenue’s general sales and use tax pages are the authority for rates and filing; 103 KAR 26:070 is the piece that governs contractors specifically. The regulation lists its own statutory relations — KRS 139.210, 139.240, 139.260, 139.270, 139.310, 139.340, 139.660, 139.710 and 139.730 — under the authority of KRS 131.130.

How this fits the rest of the paperwork

Working practice, not tax advice — a CPA or the Department of Revenue should answer any question about your own filing position.

What I will say is that the absence of a sales tax permit is one of the few things about a Kentucky roofer that is supposed to be absent, and homeowners occasionally read it as a red flag when Section 3 makes it the normal condition. The documents that actually tell you something are different ones. Kentucky has no state roofing contractor licence to look up, which we covered in what actually exists instead of a licence; the public records that do exist are the workers’ compensation coverage filing, covered in how to verify a roofer’s workers’ comp, and the certificate of insurance, covered in reading a certificate of insurance before you sign. And if a supplier or subcontractor goes unpaid on your job, the exposure runs through the mechanic’s lien statute rather than through tax law, covered in our Kentucky mechanic’s lien post.

Should a Kentucky roofing estimate include sales tax as a separate line?

Under 103 KAR 26:070 a construction contract for a permanent improvement to real property is not a retail sale, and Section 2(1) imposes the tax on the contractor’s purchase of materials instead. Ask the contractor what any separate tax line represents.

Does a church or school get the roof materials tax-free?

Not through the contractor. Section 2(2) of 103 KAR 26:070 bars a contractor from claiming exemption on material purchases because the construction contract is with a government body or a religious, educational or charitable institution.

Is a small roof repair treated differently from a full replacement?

No. Section 1(1) of 103 KAR 26:070 includes repairing a building or structure within the definition of a construction contract, and Section 2(1) applies to materials incorporated by erecting, remodeling, replacing or repairing.

Last updated: October 29, 2026

By Central Roof Repair · Call or text (859) 310-1209.

Central Roof Repair is owned by Marcos Gil.