Building Addition Projects
12 building addition projects across supported cities. See real permit-backed costs and licensed businesses.
- 12
- projects on record
- 1
- businesses
- $12,000 – $175,680
- reported price range
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What does Building Addition cost?
Reported costs from real permit filings, not estimates.
Building Addition at 7411 N Gaviota Ave, Van Nuys - North Sherman Oaks
Building Addition · Oct 15, 2026
$150,000
New Attached ADU at 3501-3503 E Atlantic St, Boyle Heights
Building Addition · Oct 14, 2026
$100,000
ADU Addition and Garage Conversion at 11419 1/2 W Charnock Road, Palms - Mar Vista - Del Rey
Building Addition · Oct 14, 2026
$90,000
Accessory Dwelling Unit Addition at 2020 S Wellington Road, West Adams
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$90,800
Addition to SFD and ADU at 8622 N Gullo Ave, Mission Hills
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$175,680
Home Addition: Roof Parapet & Patio Cover in Canoga Park
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$15,000
8 more priced projects in Building Addition
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