Window Replacement Services

Energy-Efficient Windows for California Homes

Window replacement in LA runs $700-$1,200 per window for vinyl double-pane units (Milgard, Andersen), $1,200-$1,800 per window for fiberglass or premium vinyl with low-E coatings, and $1,800-$3,000 per window for wood-clad or specialty shapes. All units sold in California must meet Title 24 energy code.

Window replacement runs $700-$3,000 per window installed depending on frame and glass. Replacement vs. new-construction frames change the install scope significantly: replacement frames slot into the existing opening; new-construction frames require trim removal and re-flashing. Low-E coatings are the reason a modern double-pane window can match a 20-year-old triple-pane in performance. SHGC under 0.25 is the typical California Title 24 ceiling for hot climate zones. Cost variance comes from window count (a single-window swap is most expensive per unit; whole-home replacement is cheapest per unit because the install crew is already on site and mobilization costs amortize), frame material (vinyl is cheapest, fiberglass mid-tier with better insulation, wood premium with the most maintenance, aluminum-clad-wood is high-end), replacement-frame vs. new-construction-frame (replacement-only is faster and cheaper but only works if the existing frame is sound; new-construction with nail-fin is required when the old frame is rotted or you're changing the rough opening), Title 24 compliance (every window sold in California must meet Title 24 - typical U-factor ≤ 0.30, SHGC ≤ 0.23 for most LA-area zones; we pull the NFRC label numbers and confirm before submitting permit), and flashing vs. caulk (proper sill pan + head flashing + tape-integrated WRB drains water back out instead of relying on caulk; missing this is why a window leaks 5 years in). License #1131088, 2-year workmanship warranty.

Pricing Tiers

Pricing reflects typical projects in the Los Angeles area as of 2026. Actual quotes vary by site conditions, material lead times, permit requirements, access constraints, and the scope of any structural or substrate repairs uncovered during demolition. We provide a written, itemized estimate only after an on-site walkthrough. License #1131088, 2-year workmanship warranty on every project, in writing.

All prices are estimates. Actual costs vary based on project scope, site conditions, material selections, and permit requirements. Contact us for a personalized quote.