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Window Replacement Cost in Maryland (2026)

Window replacements in Maryland typically run $5,800–$14,800 for a 10-window 1,500 sq ft single-story full-house window replacement, with vinyl-frame double-hung the dominant residential choice and ENERGY STAR North-Central climate-zone glazing requirements (U-factor ≤ 0.32, SHGC ≤ 0.4). Maryland's combination of moderate Atlantic and Chesapeake Bay salt-spray on every Tidewater coastal exposure, F2 freeze-thaw cycling, Maryland Critical Area Act 1,000-foot tidal-buffer setback on every Chesapeake Bay residential install, Baltimore CHAP review on every historic-district window replacement across 65+ designated districts, very-high pre-1978 housing share (60%+ in Baltimore City) driving mandatory EPA RRP lead-safe certification, and ENERGY STAR North-Central climate zone driving moderate U-factor (≤0.32) requirement drives unique Chesapeake-and-Baltimore-historic-driven glazing selection.

State Maryland
Cities Covered 7
Typical 10-window 1,500 sq ft single-story full-house window replacement $5,800 – $14,800
BLS carpenter wage $22.34/hr

Maryland 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): High — 40-60% pre-1978 housing share, EPA RRP required on most replacements

Maryland licensing, lead-safe & permits

  • License status: Statewide license required
  • License board: Maryland Home Improvement Commission (MHIC) — Home Improvement Contractor license + Maryland Department of Labor New Home Construction Sub-Contractor (official site)
  • Permit: city or county building permit required for window opening modification; MHIC license required for any home-improvement contract above $500; replacement-only same-size installs typically permit-exempt; Maryland Critical Area Act review required on every Chesapeake Bay residential install within 1,000 feet of mean tidal elevation

How window replacement costs vary in Maryland

State-specific code or insurance rule: Maryland Home Improvement Commission (MHIC) Code §8-101 requires every Maryland window contractor to hold an MHIC Home Improvement Contractor license — one of the lowest-threshold mandatory contractor licensing schemes in the country at $500 contract value, with MHIC Guaranty Fund compensating homeowners up to $30,000 per project for MHIC-contractor abandonment, plus Baltimore City Commission for Historical & Architectural Preservation (CHAP) separately requires review on every window replacement within Baltimore's 65+ designated CHAP historic districts to ensure profile and glazing-pattern continuity, with mandatory EPA RRP lead-safe certification on every Baltimore pre-1978 residential window replacement.

Cities in Maryland

Compare window replacement pricing for 7 cities across Maryland.

Annapolis, MD

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Baltimore, MD

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Bowie, MD

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Frederick, MD

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Gaithersburg, MD

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Hagerstown, MD

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Rockville, MD

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More state guides

Pricing ranges reflect Maryland market labor (BLS OEWS carpenter (window installers) mean $22.34/hr) and Woogoro regional cost modeling. For the most localized estimate, see your nearest city page above.