Common-area windows typically last 25-40 years and cost $500-$1,500 per window to replace, installed. Frame material drives both numbers: vinyl and aluminum units sit at the low end of cost, while commercial-grade aluminum storefront and wood-clad units run higher. Exposure, seal quality, and whether frames or just sashes are replaced account for most of the variation.
Last verified 2026-07-06
Typical useful life
25–40 years
2026 replacement cost
$500–$1,500
per window, national range
Typical HOA quantity
40 common-area windows
Count every association-owned window (lobbies, stairwells, clubhouses, hallways) during the site inspection — boards often miss stairwell and mechanical-room windows. Phase replacement by elevation or building rather than all at once, and confirm in the governing documents whether unit windows are association or owner responsibility before adding them to the component list.
Recaulk perimeter joints every 5-10 years, replace failed weatherstripping, and repaint or touch up exposed frames to prevent water intrusion into surrounding walls. Replacing failed insulated-glass units individually (fogged panes) can defer full window replacement by a decade or more.
West Coast and Northeast labor markets run 20-40% above national averages, and coastal salt air shortens aluminum frame and seal life.
National 2026 ranges · verify with local bids.
Typical small HOA: 40 common-area windows
Set-aside = replacement cost ÷ useful life (25–40 years). A new installation funds toward the long end; an aging one needs catch-up funding — run the full calculator for that.
Opens the free calculator with this component pre-filled.
Retrieved and verified 2026-07-06. National planning ranges — local bids govern. Informational only; not engineering, legal, or financial advice, and not a substitute for a professional reserve study. Report a data issue.
Add it to the free calculator with typical life and cost pre-filled, then see what your community should contribute each year.
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