Accessory Dwelling Unit (ADU) Construction Projects in Alum Rock
5 accessory dwelling unit (adu) construction projects in Alum Rock. Compare real permit-backed costs and find licensed businesses.
- 5
- projects on record
- 0
- businesses
- $58,757 – $128,508
- reported price range
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What does Accessory Dwelling Unit (ADU) Construction in Alum Rock cost?
Reported costs from real permit filings, not estimates.
ADU Conversion at 2523 Sleepy Hollow Ln, San Jose
Accessory Dwelling Unit · Oct 1, 2026
$58,757
New Attached ADU Construction at 248 Doris Ave, San Jose
Accessory Dwelling Unit · Jul 27, 2026
$113,135
New Accessory Dwelling Unit (ADU) Construction at 249 S Sunset Ave, San Jose
ADU Construction · Jun 29, 2026
$128,508
New ADU Construction at 3175 Rocky Mountain Dr, San Jose
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$124,281
Garage Conversion to ADU at 235 N 33RD ST 2 Alum Rock
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$78,627
2 more priced projects in Accessory Dwelling Unit (ADU) Construction in Alum Rock
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