Fresno, Fresno County

ADU / Guest House Cost in Fresno, CA

Fresno remodeling costs are 20% belowthe California state average. Here's what a typical adu / guest house costs in Fresno in 2026, based on a 500 sqf project.

Budget
$100,000
$200/sqf
Mid-Range
$160,000
$320/sqf
High-End
$240,000
$480/sqf

Cost breakdown

Foundation & Framing
25%$40,000
Mechanical (HVAC, Plumbing, Electrical)
20%$32,000
Interior Finishes
20%$32,000
Exterior & Roofing
15%$24,000
Kitchen & Bath Fixtures
10%$16,000
Permits, Plans & Engineering
10%$16,000

Breakdown based on mid-range estimate of $160,000

Typical Timeline
4-8 months
Permits Required

Building, electrical, plumbing, mechanical. May require plan check.

Remodeling in Fresno

Central Valley's largest city with the lowest remodeling costs in the state. Extreme heat makes HVAC and insulation critical components of any remodel.

California allows ADUs on most residential lots since 2020. An ADU adds living space and rental income. Cities must approve or deny within 60 days of a complete application.

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Other projects in Fresno

Kitchen Remodel
$24,000 – $72,000
Bathroom Remodel
$12,000 – $38,400
Room Addition
$48,000 – $132,000
Roof Replacement
$10,000 – $30,000
Exterior Paint
$4,000 – $14,000
Whole House Remodel
$216,000 – $720,000

ADU / Guest House cost in other California cities

Arcadia
$137,500 – $330,000 | Los Angeles County
Oceanside
$125,000 – $300,000 | San Diego County
Costa Mesa
$131,250 – $315,000 | Orange County
West Hollywood
$150,000 – $360,000 | Los Angeles County
Murrieta
$112,500 – $270,000 | Riverside County
Encinitas
$137,500 – $330,000 | San Diego County
Richmond
$131,250 – $315,000 | Contra Costa County
Palm Springs
$118,750 – $285,000 | Riverside County

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