Morgan Hill, Santa Clara County

ADU / Guest House Cost in Morgan Hill, CA

Morgan Hill remodeling costs are 10% abovethe California state average. Here's what a typical adu / guest house costs in Morgan Hill in 2026, based on a 500 sqf project.

Budget
$137,500
$275/sqf
Mid-Range
$220,000
$440/sqf
High-End
$330,000
$660/sqf

Cost breakdown

Foundation & Framing
25%$55,000
Mechanical (HVAC, Plumbing, Electrical)
20%$44,000
Interior Finishes
20%$44,000
Exterior & Roofing
15%$33,000
Kitchen & Bath Fixtures
10%$22,000
Permits, Plans & Engineering
10%$22,000

Breakdown based on mid-range estimate of $220,000

Typical Timeline
4-8 months
Permits Required

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

Remodeling in Morgan Hill

South Santa Clara County with more affordable housing and remodeling costs. Rural-suburban feel with larger lots. Growing wine country community with increasing renovation demand.

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 Morgan Hill

Kitchen Remodel
$33,000 – $99,000
Bathroom Remodel
$16,500 – $52,800
Room Addition
$66,000 – $181,500
Roof Replacement
$13,750 – $41,250
Exterior Paint
$5,500 – $19,250
Whole House Remodel
$297,000 – $990,000

ADU / Guest House cost in other California cities

Stockton
$106,250 – $255,000 | San Joaquin County
Union City
$137,500 – $330,000 | Alameda County
Concord
$125,000 – $300,000 | Contra Costa County
Encinitas
$137,500 – $330,000 | San Diego County
Half Moon Bay
$150,000 – $360,000 | San Mateo County
Fresno
$100,000 – $240,000 | Fresno County
Sacramento
$112,500 – $270,000 | Sacramento County
San Francisco
$168,750 – $405,000 | San Francisco County

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