Permitting Authorities / Prince William County - Building Development Division
Do you need a permit to replace a roof in Unincorporated Prince William County, VA?
Adopted code
Prince William County - Building Development Division
No, Unincorporated Prince William County, VA does not require a permit for like-for-like roof replacement (Prince William County - Building Development Division). For a house, townhouse or duplex, a roof covering replacement is ordinarily done without a building permit in Prince William County: the Building Development Division's "Do I Need a Permit?" page lists "Re-roofing or new siding repairs" under "Permits Not Required", and states that "although the work is not subject to permit requirements, the work must be performed in a manner meeting code requirements." That follows Virginia Construction Code 108.2, item "14.5. Replacement of an unlimited amount of roof covering or siding in Group R-3, R-4 or R-5 provided the building or structure is not in an area where the nominal design wind speed is greater than 100 miles per hour (44.7 meters per second) and replacement of 100 square feet (9.29 m2) or less of roof covering in all groups and all wind zones." A permit is needed where more than 256 square feet of decking is replaced (item "14.6. Replacement of 256 square feet (23.78 m2) or less of roof decking in Group R-3, R-4 or R-5 unless the decking to be replaced was required at the time or original construction to be fire-retardant-treated or protected in some other way to form a fire-rated wall termination."), where fire-rated decking is replaced (the County notes this "is mostly applicable to townhouses"), and where structural members are removed or altered. Two location branches apply: "1. Application for a permit may be required by the building official for the installation of replacement siding, roofing and windows in buildings within a historic district designated by a locality pursuant to Section 15.2-2306 of the Code of Virginia." and "2. Application for a permit may be required by the building official for any items exempted in this section which are located in a special flood hazard area." An owner may always ask for a permit: "when an owner or an owner’s agent requests that a permit be issued for any of the following, then a permit shall be issued and any related inspections shall be required." Where a roof permit is taken, the County's Residential Roof Replacements handout says: "If a permit is obtained you will need to schedule a 151R final inspection when the work is complete. If roof sheathing has been replaced, you will need to provide the inspector with access to the attic." and asks for a completed and signed "Energy Envelope and Roof Covering Certification" at inspection. Permits are applied for through the County's ePortal; Building Development can be reached at 703-792-6930. Separately, the page advises checking homeowners' association covenants, which may require HOA approval for roofing.
Roof code checklist: Unincorporated Prince William County, VA
Each row comes from the sourced record on this page; full wording is in the table below. "Not published" means no official source for that item was found when the record was last verified.
Jurisdiction
Prince William County, Virginia (unincorporated)
Address
5 County Complex Court, Suite 120, Prince William, VA 22192
Contact
- url: https://www.pwcva.gov/department/building-development-division
- phone: 703-792-6930
Roofing permit required
Not required
Contractor registration required
Required
Registration details
- state_level: Virginia licenses contractors through the Board for Contractors. Code of Virginia 54.1-1100 (as amended in 2025): "'Class C contractors' perform or manage construction, removal, repair, or improvements when (i) the total value referred to in a single contract or project is over $1,000 but less than $30,000, or (ii) the total value of all such construction, removal, repair, or improvements undertaken by such person within any 12-month period is less than $250,000." Classes B and A cover larger jobs. The Board's regulation defines "Roofing contracting" (ROC) as "the service that provides for the installation, repair, removal, or improvement of materials common to the industry that form a watertight, weather resistant surface for roofs and decks", and notes that the CBC and RBC classifications and the HIC and CIC specialties also provide for this function. Code of Virginia 54.1-1101 A 7 excludes "Any person who performs or supervises the construction, removal, repair, or improvement of no more than one primary residence owned by him and for his own use during any 24-month period". Under 54.1-1111 a permit applicant must furnish proof of licensure or "file a written statement that he is not subject to licensure or certification as a contractor or subcontractor pursuant to this chapter."
- county_level: Prince William County Code Chapter 5, Article III requires a County Home Improvement Contractor License. Sec. 5-51(a): "No person shall engage in the home improvement business as a home improvement contractor, unless he has a current license issued in accordance with this division, or is licensed by the state pursuant to Code of Virginia, § 54.1-1106 or 54.1-1108." Sec. 5-32 lists "Roofing" among home improvements, and Sec. 5-31 says the article "shall apply whether or not a construction permit is required for the work to be performed." Sec. 5-51(b): "The building development division shall not issue a permit for home improvement work to a contractor who does not have a current license issued in accordance with the requirements of this division." Sec. 5-52(e): "Surety bond requirement for home improvement license in all categories is $10,000.00." Contract payment limits are $1,000 for a licensee without a Class C license and $10,000 with one (Sec. 5-52(c) and (d)); those County figures and the Article's Class C definition ("no more than $10,000.00") predate the 2025 change to the state's Class C range. Sec. 5-33 exempts "any person performing work on a building of which he is the bona fide owner" and state Class A and B licensees. The article also prescribes written contracts for home improvements over $100 (Sec. 5-38). A County business license is required as well (Sec. 5-51(c)); a business license is not a contractor credential.
Permit process note
For a house, townhouse or duplex, a roof covering replacement is ordinarily done without a building permit in Prince William County: the Building Development Division's "Do I Need a Permit?" page lists "Re-roofing or new siding repairs" under "Permits Not Required", and states that "although the work is not subject to permit requirements, the work must be performed in a manner meeting code requirements." That follows Virginia Construction Code 108.2, item "14.5. Replacement of an unlimited amount of roof covering or siding in Group R-3, R-4 or R-5 provided the building or structure is not in an area where the nominal design wind speed is greater than 100 miles per hour (44.7 meters per second) and replacement of 100 square feet (9.29 m2) or less of roof covering in all groups and all wind zones." A permit is needed where more than 256 square feet of decking is replaced (item "14.6. Replacement of 256 square feet (23.78 m2) or less of roof decking in Group R-3, R-4 or R-5 unless the decking to be replaced was required at the time or original construction to be fire-retardant-treated or protected in some other way to form a fire-rated wall termination."), where fire-rated decking is replaced (the County notes this "is mostly applicable to townhouses"), and where structural members are removed or altered. Two location branches apply: "1. Application for a permit may be required by the building official for the installation of replacement siding, roofing and windows in buildings within a historic district designated by a locality pursuant to Section 15.2-2306 of the Code of Virginia." and "2. Application for a permit may be required by the building official for any items exempted in this section which are located in a special flood hazard area." An owner may always ask for a permit: "when an owner or an owner’s agent requests that a permit be issued for any of the following, then a permit shall be issued and any related inspections shall be required." Where a roof permit is taken, the County's Residential Roof Replacements handout says: "If a permit is obtained you will need to schedule a 151R final inspection when the work is complete. If roof sheathing has been replaced, you will need to provide the inspector with access to the attic." and asks for a completed and signed "Energy Envelope and Roof Covering Certification" at inspection. Permits are applied for through the County's ePortal; Building Development can be reached at 703-792-6930. Separately, the page advises checking homeowners' association covenants, which may require HOA approval for roofing.
Adopted code
The 2021 Virginia Uniform Statewide Building Code (13VAC5-63), effective January 18, 2024, applies statewide; for one- and two-family dwellings and townhouses it incorporates the 2021 International Residential Code as amended by Virginia (the Virginia Residential Code), and existing buildings fall under the Virginia Existing Building Code. Virginia's statute provides that the USBC "shall supersede the building codes and regulations of the counties, municipalities and other political subdivisions and state agencies." County Code Sec. 5-16 adopts "by reference for the county the provisions of the Virginia Uniform Statewide Building Code, as adopted and promulgated by the state board of housing and community development" and adds no technical amendments (Chapter 5, Article II, read in full, Code of Ordinances codified through Ordinance No. 26-32, adopted June 2, 2026). The Building Development Division's VUSBC page states: "The newly adopted 2021 VUSBC goes into full effect on January 18, 2025 . As of Saturday, January 18, 2025, all Prince William County construction permit applications must be compliant with the 2021 VUSBC." and lists the 2021 International Residential Code and the 2021 International Existing Building Code among the referenced codes.
Ice & water shield
Required — The County's completed Table R301.2(1) (Building Development policy "Climatic and Geographic Design Criteria", effective November 16, 2006, revised December 20, 2020) answers "Yes" in its Ice Barrier Underlayment Required column for Prince William County. The County's "Protection from Ice Damming" policy (revised May 1, 2025) states that "buildings in Prince William County shall have ice shield underlayment", for asphalt shingles, metal roof shingles, mineral-surfaced roll roofing, slate and slate-type shingles, wood shingles and wood shakes, and the Residential Roof Replacements handout answers "Do I need to install 'ice shield'?" with "The VUSBC does require the installation of 'ice shield'."
About ice & water barrierMid-roof inspection
Not required — An ordinary residential reroof in Prince William County is done without a permit, so no inspection is scheduled. Where a permit is obtained, the County's Residential Roof Replacements handout (Version 2021-06-24) answers "What inspections do I need?" with "If a permit is obtained you will need to schedule a 151R final inspection when the work is complete. If roof sheathing has been replaced, you will need to provide the inspector with access to the attic." It names no in-progress roof inspection; a completed and signed Energy Envelope and Roof Covering Certification is provided at inspection instead.
Impact-resistant roofing
Not required — Virginia's 2021 Uniform Statewide Building Code amendments to the International Residential Code (13VAC5-63-210) contain no UL 2218 or Class 4 impact requirement for roof coverings, and that code supersedes local building codes (Code of Virginia 36-98). Prince William County Code Sec. 5-16 adopts the USBC by reference with no amendments, and neither the County's completed Table R301.2(1) nor its Residential Roof Replacements handout states an impact rating requirement. Insurer discounts for impact-rated shingles are not a code requirement.
Repair permit threshold
Virginia Construction Code 108.2 (2021 Uniform Statewide Building Code, 13VAC5-63, effective January 18, 2024) lists among ordinary repairs that need no permit application: "14.5. Replacement of an unlimited amount of roof covering or siding in Group R-3, R-4 or R-5 provided the building or structure is not in an area where the nominal design wind speed is greater than 100 miles per hour (44.7 meters per second) and replacement of 100 square feet (9.29 m2) or less of roof covering in all groups and all wind zones." and "14.6. Replacement of 256 square feet (23.78 m2) or less of roof decking in Group R-3, R-4 or R-5 unless the decking to be replaced was required at the time or original construction to be fire-retardant-treated or protected in some other way to form a fire-rated wall termination." Its Exceptions: "1. Application for a permit may be required by the building official for the installation of replacement siding, roofing and windows in buildings within a historic district designated by a locality pursuant to Section 15.2-2306 of the Code of Virginia." and "2. Application for a permit may be required by the building official for any items exempted in this section which are located in a special flood hazard area." The same section provides: "when an owner or an owner’s agent requests that a permit be issued for any of the following, then a permit shall be issued and any related inspections shall be required." The Building Development Division's "Do I Need a Permit?" page (residential projects, meaning one- and two-family dwellings and townhouses) lists "Re-roofing or new siding repairs" and "Replacement of 256 square feet or less of roof decking (Note: Permits are required where the decking to be replaced was required at the time of original construction to be fire retardant-treated or protected in some other way to form a fire-rated wall termination. This case is mostly applicable to townhouses.)" under "Permits Not Required", and lists "Removing or altering any structural (support) members" under "Permits Always Required". Decking replacement over 256 square feet therefore needs a permit. The County's Residential Roof Replacements handout (Version 2021-06-24) restates the exemption as covering areas where "the nominal design (3 second gust) wind speed is greater than 100 miles per hour"; the County's completed Table R301.2(1) prints a wind speed of 115 mph without stating whether that figure is nominal or ultimate, and this record does not convert it. Nonresidential reroofing is permitted and priced by the square foot in the County's adopted fee schedule.
Wind design criteria
Prince William County's completed Table R301.2(1), Climatic and Geographic Design Criteria (Building Development policy, effective November 16, 2006, revised December 20, 2020): ground snow load 30 psf; wind design speed 115 mph; topographic effects No; special wind region No; wind-borne debris zone No; seismic design category B (the table's footnote: "Seismic Design Category A may be used and supported with geotechnical report."); weathering Severe; frost line depth 24 inches; termite Moderate to Heavy; winter design temperature 17°F; ice barrier underlayment required Yes; flood hazards 12/01/81; mean annual temperature 55°F. The table does not state whether the 115 mph figure is a nominal or an ultimate design wind speed. The County's older "Typical Residential Construction Specifications" handout (Version 2021-08-12) lists "Design Wind Speed---------------- 90 mph / 3 second gust"; the completed table is the County's statement of its climatic criteria. For ground snow load in structural design under the 2021 code, the County's "Ground Snow Load" policy (effective December 16, 2024) requires designers to follow ASCE 7-22 throughout, or ASCE 7-16 throughout if the code's snow load figures are used, without mixing them.
Deck & sheathing requirements
Virginia's amendments to the International Residential Code in the 2021 Uniform Statewide Building Code (13VAC5-63-210, items 1 to 68) touch roofing only at R301.2.1 (wind) and R905.2.8.5 (deleted), and do not amend the roof sheathing provisions (R803), so the 2021 IRC's sheathing provisions apply unmodified; Prince William County Code Sec. 5-16 adopts the USBC by reference with no local amendments. The County's "Typical Residential Construction Specifications" handout (Version 2021-08-12) states: "Roof sheathing shall be a minimum of ½” exterior plywood, 7/16” or better." Replacing more than 256 square feet of roof decking on a house or townhouse, or any fire-rated decking, requires a permit (Virginia Construction Code 108.2, item 14.6).
Sales & use tax
6% general sales and use tax in Prince William County (Virginia Tax, "Sales and Use Tax Rates by Locality" workbook, "Jan 2026 - Present" block, "From January 1, 2026 to Present": Prince William, locality code 51153, General Sales 6%). That is the 4.3% state rate (Code of Virginia 58.1-603), the 1% local option tax (58.1-605) and the 0.7% additional state tax levied in qualifying planning districts (58.1-603.1). A roofing contractor is treated as the consumer of the materials: Virginia's regulation says "the law treats every contractor as the user or consumer of all tangible personal property furnished to the contractor or by the contractor in connection with real property construction, reconstruction, installation, repair, and similar contracts" and that a contractor "does not pass the sales or use tax on to anyone else as a tax" (23VAC10-210-410). So the rate is paid on materials when bought, repair and replacement alike; the roofer's labor on the house is not taxed to the homeowner.
More roof permit pages in Virginia
Related guides
The Building Development Division of Prince William County's Department of Development Services enforces the Virginia Uniform Statewide Building Code for the County, reviewing plans, issuing building construction permits, performing inspections and licensing home improvement contractors under the County Code.
Hail reports near the center of Prince William County, VA
- Reports, last 24 months
- 3
- Largest, last 24 months
- 1.00 in May 27, 2026
- Most recent
- May 27, 2026 1.00 in
- Reports, last 5 years
- 7
Source: NOAA Storm Prediction Center severe weather database and daily storm reports (reports since the start of the current year are preliminary), within 10 miles of the center of Prince William County, VA. Data through Sep 30, 2026. A report is an observation, not a damage record.
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