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Do you need a permit for new flooring or subfloor repair?

What the model residential code says about permits for floor covering and for subfloor and joist work, and each state's rule, with where to ask.

Updated October 12, 2026 · 57 official sources
On this page: 4 sections
  1. 1Floor covering
  2. 2Subfloor and joist work
  3. 3State by state
  4. 4Before work starts

Replacing the covering on a floor often needs no building permit, but the rule is set by your state and town, and work on the subfloor or the joists under it is treated differently. Here's what the model code says, and what each state does with it.

Floor covering

The model residential code, the International Residential Code, lists the work that needs no permit, and the list includes painting, papering, tiling, carpeting, cabinets, countertops and similar finish work.1 Hardwood, laminate and vinyl aren't named in that list, so whether a job with them counts as similar finish work is up to your local building official. States and towns that adopt the code can change the list or drop it.

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Subfloor and joist work

The model code says anyone who intends to alter or repair a building has to get the required permit first, and lets ordinary repairs go without one. Ordinary repairs don't include removing or cutting any structural beam or load-bearing support.1 So before joists or other floor framing are cut or replaced, ask your building department whether the job needs a permit.

State by state

Each state's name links to its rules page on this site, which also covers licenses, asbestos, lead-safe work and contracts.

State Permits for floor work
Alabama Alabama's residential code is enforced only by the cities and counties that run permit and inspection programs (Act 2024 HB 198), so whether new flooring or subfloor repair needs a permit is up to your city or county.2-3
Alaska Alaska has no state permit rule for homes: the State Fire Marshal's plan review exempts residential buildings of three units or fewer, and cities such as Anchorage run their own building departments. Ask your city or borough whether a flooring or subfloor job needs a permit.4
Arizona Arizona leaves building codes and permits to cities and counties; a county may adopt a building code for its zoned unincorporated areas (A.R.S. 11-861). Ask your local building department about flooring or subfloor work.5
Arkansas Arkansas's residential code keeps the model code's permit exemption for painting, papering, tiling, carpeting, cabinets, countertops and similar finish work (Arkansas Fire Prevention Code Vol. III, R105.2, item 6). Hardwood, laminate and vinyl aren't named, so whether your job counts as similar finish work is the local building official's call. Cities and counties with building departments issue permits.6 Ordinary repairs need no permit, but they don't include removing or cutting any structural beam or load-bearing support (Arkansas Fire Prevention Code Vol. III, R105.2.2), so ask before cutting or replacing floor framing.6
California California's housing rules require a permit for alterations but exempt the work listed in the residential code's R105.2, which includes painting, papering, tiling, carpeting, cabinets, countertops and similar finish work, and minor changes that don't affect structural features (CRC 1.8.4.1; R105.2, item 6). Hardwood, laminate and vinyl aren't named, so whether your job counts as similar finish work is the local building official's call.7 The minor-work exception doesn't reach work affecting structural features, and ordinary repairs exclude removing or cutting any structural beam or load-bearing support (CRC 1.8.4.1, exception 2; R105.2.2).7
Colorado Colorado's building codes and permits are set by cities, towns and counties, and some areas have no building department. Ask your local building department about flooring or subfloor work.8
Connecticut Connecticut's state building code, used in every town, needs no permit for painting, papering, tiling, carpeting, cabinets, countertops and similar finish work that doesn't involve structural changes or alterations (2022 Connecticut State Building Code, amended R105.2, item 6). Hardwood, laminate and vinyl aren't named, so whether your job counts as similar finish work is the local building official's call.9 The finish-work exemption stops where the job involves structural changes or alterations (amended R105.2, item 6), so ask your building official before replacing joists or structural subfloor.9
Delaware In Delaware, building codes and permits come from the counties and from towns that run their own, such as New Castle County's building code (9 Del. C. ch. 25). Ask your county or town building office about flooring or subfloor work.10
District of Columbia Ask your city or county building department whether your flooring job needs a permit before the work starts, especially if joists or the subfloor will be repaired or replaced.
Florida Ask your city or county building department whether your flooring job needs a permit before the work starts, especially if joists or the subfloor will be repaired or replaced.
Georgia Georgia's state residential code deletes the IRC's administrative chapter and keeps it only as a guide for local governments' own procedures, so permit rules for flooring and subfloor work come from your city or county.11
Hawaii Under Hawaii's state residential code, each county decides by ordinance which work needs a permit, so ask your county building department about flooring or subfloor work.12
Idaho Ask your city or county building department whether your flooring job needs a permit before the work starts, especially if joists or the subfloor will be repaired or replaced.
Illinois Illinois leaves building codes and permits to cities and counties, though since 2025 a local code must regulate the structural design of homes at least as strictly as the IRC baseline (20 ILCS 3105/10.18). Ask your city or county about flooring or subfloor work.13
Indiana Indiana's residential code has no permit section of its own: plans for one and two family homes are required as local ordinance sets (2020 Indiana Residential Code R103, R104), so ask your city or county whether a flooring or subfloor job needs a permit.14
Iowa Iowa's state code deletes the IRC's administration sections, including permits (Iowa Admin. Code 481-301.8, R103 to R114), and applies only in some places (Iowa Code 103A.10), so permit rules for flooring come from your city or county.15-16
Kansas In Kansas, building codes and permits are set by cities and counties, which can adopt a model code such as the IRC by reference (K.S.A. 12-3009). Ask your local building department about flooring or subfloor work.17
Kentucky Kentucky's residential code doesn't require permits or inspections for a single-family home unless a local ordinance does (815 KAR 7:125), so ask your city or county about flooring or subfloor work.18
Louisiana Louisiana adopts the 2021 IRC without its administrative part, and state enforcement is mandatory only for new construction, reconstruction, additions and extensive alterations (LAC 17:I.107), so ask your parish or city permit office about flooring or subfloor work.19
Maine Maine's residential code requires a building permit only where a town ordinance does, and lets towns exempt more work by ordinance (MUBEC ch. 6 amendments to R105.1, R105.2). Ask your town code office.20
Maryland Maryland's standards adopt the 2021 IRC without changing its finish-work exemption, but each county or city implements and enforces them with its own local amendments (COMAR 09.12.51.04, .06), so ask your local permit office about flooring or subfloor work.21-22
Massachusetts Massachusetts's building code needs no building permit for painting, papering, tiling, carpeting, cabinets, countertops and similar finish work, though electrical, plumbing or gas permits may still apply (780 CMR 51 R105.2, item 6). Hardwood, laminate and vinyl aren't named, so whether your job counts as similar finish work is the local building official's call.23 Massachusetts says outright that a permit is required for work including the removal or cutting of any structural beam or load-bearing support, while ordinary repairs need no application (780 CMR 51 R105.2.2).23
Michigan Ask your city or county building department whether your flooring job needs a permit before the work starts, especially if joists or the subfloor will be repaired or replaced.
Minnesota Minnesota's code needs no permit for painting, papering, tiling, carpeting, cabinets, countertops and similar finish work (Minn. R. 1300.0120, subp. 4). The state code is enforced where a city or county has adopted it (Minn. Stat. 326B.121). Hardwood, laminate and vinyl aren't named, so whether your job counts as similar finish work is the local building official's call.24-25 Ordinary repairs need no permit, but they don't include removing or cutting any structural beam or load-bearing support (Minn. R. 1300.0120, subp. 6).24
Mississippi Mississippi's building codes are minimums that cities and counties choose to adopt, though a 2006 law requires Jackson, Harrison, Hancock, Stone and Pearl River counties and their towns to adopt them (HB 1406, 2006). Ask your city or county about flooring or subfloor work.26
Missouri Missouri has no statewide residential code; cities and the county commissions of first and second class counties may adopt building codes and permits (RSMo 64.170). Ask your local building department about flooring or subfloor work.27
Montana Montana's state building code doesn't apply to homes with fewer than five units unless the city, county or town makes it apply (MCA 50-60-102), so ask your local building department about flooring or subfloor work.28
Nebraska Nebraska's state code adopts the 2018 IRC, and it applies where a county, city or village adopts it or hasn't adopted its own conforming code; local governments run permits (Neb. Rev. Stat. 71-6403, 71-6404, 71-6406). Ask your local building department.29-31
Nevada Nevada has no statewide residential code; each city or county adopts its own building code and permit rules (NRS 278.580). Ask your local building department about flooring or subfloor work.32
New Hampshire New Hampshire's building code covers repairs and renovations statewide, but permits are issued only by towns, cities, counties and village districts that have set up enforcement (RSA 155-A:1, 155-A:2), so ask your town about flooring or subfloor work.33-34
New Jersey In New Jersey, repairing, replacing or installing any flooring material with a new material is ordinary maintenance that needs no permit, inspection or notice, and every enforcing agency must treat it that way (N.J.A.C. 5:23-2.7(c)).35 Ordinary maintenance excludes removing or cutting any structural beam or bearing support and any work affecting structural safety (N.J.A.C. 5:23-2.7(b)), so joist or structural subfloor repair isn't ordinary maintenance.35
New Mexico New Mexico requires a permit to alter, repair or improve a building unless a statute or rule exempts the work, and its residential rules delete item 6 of the model code's list of work exempt from permits (14.5.2.8, 14.5.2.9 NMAC). Ask your building department before a flooring job.36
New York New York's residential code exempts only the work your local code enforcement program chooses to exclude; programs may exclude painting, wallpapering, tiling, carpeting or other similar finish work but don't have to (RCNYS R105.2; Department of State guidance on 19 NYCRR Part 1203). Ask your city, town or village building department.37-38 A local program may exempt repairs only when they don't affect the structural system, the required means of egress or fire protection (Department of State guidance on Part 1203).37
North Carolina No building permit is needed for work in a single-family home costing $40,000 or less that meets the state building code, unless it involves load-bearing structure, plumbing design, heating, cooling or wiring, or other listed items (G.S. 160D-1110(c)). A flooring job over $40,000 falls outside this exemption.39 The $40,000 exemption doesn't cover the addition, repair or replacement of load-bearing structures, so joist or other structural floor repair isn't exempt; replacing exterior deck boards and stair treads is (G.S. 160D-1110(c)(1)).39
North Dakota North Dakota's state building code is enforced only where a city, county or township chooses to, and each decides how to administer it, including permits; the state's 2024 amendments don't change the finish-work exemption (2026 ND State Building Code amendments; N.D. Admin. Code 108-01-01). Ask your local building department.40-41
Ohio The Residential Code of Ohio needs no approval for painting, papering, tiling, carpeting, cabinets, countertops and similar finish work, though the work must still meet the code; where no certified local building department has jurisdiction, no approvals are required at all (OAC 4101:8-1-01, sections 102.10 and 101.5). Hardwood, laminate and vinyl aren't named, so whether your job counts as similar finish work is the local building official's call.42-43 Minor repairs need no application or notice, but they don't include removing or cutting any structural beam or load-bearing support (RCO 102.10.2).43
Oklahoma Ask your city or county building department whether your flooring job needs a permit before the work starts, especially if joists or the subfloor will be repaired or replaced.
Oregon Oregon needs no building permit for painting, papering, tiling, carpeting, cabinets, countertops, nonfire-resistance-rated interior wall, floor or ceiling covering and similar work (2026 ORSC R105.2, Building item 3, effective October 1, 2026). Local governments can still apply their own ordinances.44 Ordinary repairs need no permit, but they must use like materials and don't include removing or cutting any structural beam or load-bearing support (2026 ORSC R105.2.2).44
Pennsylvania Pennsylvania's Uniform Construction Code doesn't apply to repairs to homes, or to alterations that don't change structure or means of egress, unless a local ordinance says otherwise, and ordinary repairs need no permit (34 Pa. Code 403.1(b)(8), (9) and 403.62(d)). Flooring isn't named, so ask your municipality's code office.45-46 Removing or cutting any structural beam or load-bearing support isn't an ordinary repair (34 Pa. Code 403.62(d)), and alterations that make structural changes stay under the code (403.1(b)(8)).45-46
Rhode Island Rhode Island's One and Two Family Dwelling Code needs no permit for painting, papering, tiling, carpeting, cabinets, countertops and similar finish work (SBC-2 R105.2, item 6, as substituted by Rhode Island). Hardwood, laminate and vinyl aren't named, so whether your job counts as similar finish work is the local building official's call.47
South Carolina South Carolina's statewide codes don't include their administrative chapters; permit policies and procedures are each city's or county's (S.C. Building Codes Council, Building Codes in Effect). Ask your local building department about flooring or subfloor work.48
South Dakota South Dakota has no statewide residential code; a city or town that regulates home construction and repair adopts the 2024 IRC and may amend any of it (SDCL 11-10-12). Ask your city's building department.49
Tennessee Tennessee's state residential permit program covers new homes and additions, and it counts painting, tiling, carpeting, cabinet and countertop installation and floor finishing as renovation, which it doesn't cover (Tenn. Comp. R. & Regs. 0780-02-23-.01). Cities and counties that enforce their own codes set their own permit rules.50
Texas Texas cities enforce the IRC as it existed on May 1, 2012 for construction, remodeling and repair of homes, and may amend it; it doesn't reach unincorporated areas (Tex. Local Gov't Code 214.212). Ask your city's permit office.51
Utah Ask your city or county building department whether your flooring job needs a permit before the work starts, especially if joists or the subfloor will be repaired or replaced.
Vermont Vermont has no statewide building code for owner-occupied single-family homes, which aren't public buildings under state law (20 V.S.A. 2730). Ask your town about local permits, and the Division of Fire Safety if the home is a rental or condo.52
Virginia Virginia's building code needs no permit for installing or replacing floor finishes in any occupancy, an ordinary repair under USBC 108.2 (13VAC5-63-80, item 14.7), though a building official may require one for exempt work in a special flood hazard area.53 A permit is required for installations or alterations involving any structural component (USBC 108.1, 13VAC5-63-80).53
Washington Ask your city or county building department whether your flooring job needs a permit before the work starts, especially if joists or the subfloor will be repaired or replaced.
West Virginia West Virginia's state building code applies only where a city or county adopts it, and that local government enforces it (87CSR4, section 7). Ask your city or county about flooring or subfloor work.54
Wisconsin Wisconsin's Uniform Dwelling Code doesn't apply to repairs or maintenance, which it defines to include redecorating, refinishing and nonstructural repairs, and permits for alterations and repairs are needed only where a local ordinance requires them (SPS 320.05(3), 320.07(61), 320.09(2)(b)). Ask your municipality.55 Only nonstructural repairs fall within the code's definition of repair (SPS 320.07(61)), so structural floor work may be an alteration the code covers; whether it needs a permit still depends on local ordinance (SPS 320.09(2)(b)).55
Wyoming Wyoming has no statewide residential code; state plan review covers government, school, public, child care and assembly buildings, not private homes, so cities and counties set permit rules (Wyoming State Fire Marshal).56

Before work starts

  • Ask the company whether your job needs a permit, and who will get it.
  • If the job grows into subfloor or joist repair once the old floor is up, ask again before that work starts.

The FTC lists a contractor asking you to get the required building permits among the signs of a home improvement scam.57

Each company on this site is listed with its phone number where it has one. You can also send a request through the request form.

Building codes and rules from the International Code Council, state agencies and legislatures, and the Federal Trade Commission, checked October 2026.

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Sources (57)

  1. International Code Council: 2021 IRC, chapter 1 ↑
  2. Alabama Legislature ↑
  3. Alabama Administrative Code chapter 305-2-4 ↑
  4. Alaska Department of Public Safety ↑
  5. Arizona Revised Statutes 11-861 ↑
  6. Arkansas Department of Public Safety ↑
  7. California Building Standards Commission ↑
  8. Colorado Division of Housing ↑
  9. State of Connecticut ↑
  10. Delaware Code title 9, chapter 25 ↑
  11. Georgia Department of Community Affairs ↑
  12. Hawaii Department of Accounting and General Services ↑
  13. Illinois Public Act 103-0510 ↑
  14. Indiana Department of Homeland Security ↑
  15. Iowa Administrative Code chapter 481-301 ↑
  16. Iowa Code 103A.10 ↑
  17. Kansas Statutes 12-3009 ↑
  18. 815 KAR 7:125 ↑
  19. Louisiana Administrative Code title 17, part I, Uniform Construction Code ↑
  20. Code of Maine Rules 08-003, chapter 6 ↑
  21. COMAR 09.12.51.04 ↑
  22. COMAR 09.12.51.06 ↑
  23. Massachusetts State Building Code, 10th edition, residential chapter 1 ↑
  24. Minnesota Rules 1300.0120 ↑
  25. Minnesota Statutes 326B.121 ↑
  26. Mississippi House Bill 1406 (2006) ↑
  27. Missouri Revised Statutes 64.170 ↑
  28. Montana Code Annotated 50-60-102 ↑
  29. Nebraska Revised Statutes 71-6403 ↑
  30. Nebraska Revised Statutes 71-6404 ↑
  31. Nebraska Revised Statutes 71-6406 ↑
  32. Nevada Revised Statutes chapter 278 ↑
  33. New Hampshire Revised Statutes 155-A:1 ↑
  34. New Hampshire Revised Statutes 155-A:2 ↑
  35. New Jersey Administrative Code 5:23 ↑
  36. New Mexico Administrative Code 14.5.2 ↑
  37. New York Department of State: administration and enforcement of the Uniform Code ↑
  38. New York Department of State: 2025 Residential Code of New York State ↑
  39. North Carolina General Statutes 160D-1110 ↑
  40. North Dakota State Building Code amendments (2026) ↑
  41. North Dakota Legislature ↑
  42. Ohio Administrative Code 4101:8-1-01 ↑
  43. Ohio Administrative Code 4101:8-1-01: rule text as filed ↑
  44. Oregon Building Codes Division: 2026 Oregon Residential Specialty Code, chapter 1 ↑
  45. Pennsylvania Code title 34, section 403.1 ↑
  46. Pennsylvania Code title 34, section 403.62 ↑
  47. Rhode Island Code of Regulations 510-RICR-00-00-2 ↑
  48. South Carolina Department of Labor, Licensing and Regulation: building codes in effect for South Carolina ↑
  49. South Dakota Codified Laws 11-10-12 ↑
  50. Tennessee Rules and Regulations 0780-02-23 (February 25, 2024) ↑
  51. Texas Local Government Code chapter 214 ↑
  52. Vermont Statutes title 20, section 2730 ↑
  53. Virginia Administrative Code 13VAC5-63-80 ↑
  54. West Virginia State Fire Marshal ↑
  55. Wisconsin Administrative Code SPS chapter 320 ↑
  56. Wyoming State Fire Marshal ↑
  57. Federal Trade Commission: how to avoid a home improvement scam ↑

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