ADU permit fees
ADU
ADU Utility Connections in California: Water, Sewer, Gas, and Electric Costs for 2026
ADU utility connections in California cost $15,000–$65,000+ in 2026. Get real Bay Area costs for water, sewer, gas, and electric hookups from 116+ completed projects.
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ADU
ADU Permit Fees in Bay Area Cities: What to Budget in 2026
ADU permit fees vary widely across Bay Area cities, from $5,000 to $40,000+. See our 2026 city-by-city comparison with real costs from 116+ completed projects.
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