Virginia climate, wind & energy-code drivers
- ENERGY STAR climate zone: North-Central — heating-dominant, balanced U-factor and SHGC (U ≤ 0.32, SHGC ≤ 0.40)
- IECC climate zone: 4A
- Maximum U-factor: 0.32 (IECC 2021 + state amendments)
- Maximum SHGC: 0.4
- ASCE 7-22 design wind speed: 115 mph (Risk Category II)
- Hurricane impact-rated requirement: Mandatory ASTM E1996 large-missile impact-rated in coastal counties only
- Dominant residential frame material: Vinyl frame — dominant in most climates, lowest cost-per-window
- Historic-preservation overlay prevalence: High — multiple state-mapped historic districts with mandatory review
- EPA RRP lead-safe trigger (pre-1978 housing share): Moderate — 20-40% pre-1978 housing share, EPA RRP required on selected replacements
Virginia licensing, lead-safe & permits
- License status: Statewide license required
- License board: Virginia Department of Professional & Occupational Regulation (DPOR) — Class A / B / C Contractor License (official site)
- Permit: city or county building permit required for window opening modification; DPOR Class C license required above $1,000 (up to $10,000), Class B above $10,000, Class A above $120,000; Chesapeake Bay Preservation Act buffer-zone review required on every Tidewater install; Virginia Department of Historic Resources separately reviews every Charlottesville, Williamsburg, and Alexandria historic-district install
How window replacement costs vary in Virginia
State-specific code or insurance rule: Virginia Department of Professional & Occupational Regulation (DPOR) §54.1-1100 imposes one of the most contract-value-segmented residential builder licensing schemes in the country — every Virginia window contractor performing work above $1,000 must hold a Class C Contractor license, above $10,000 a Class B license, and above $120,000 a Class A license, with the DPOR Contractor Recovery Fund compensating affected homeowners up to $20,000 per project for DPOR-contractor abandonment, plus Virginia Department of Historic Resources separately reviews every window replacement within Virginia's 30+ state-mapped historic districts (Charlottesville Court Square, Williamsburg Historic Area, Old Town Alexandria, Fredericksburg, Richmond Court End, etc.) to ensure profile and glazing-pattern continuity with the surrounding 17th-19th century architectural overlay.
Cities in Virginia
Compare window replacement pricing for 17 cities across Virginia.
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