Long Beach, Los Angeles County

ADU / Guest House Cost in Long Beach, CA

Long Beach remodeling costs are nearthe California state average. Here's what a typical adu / guest house costs in Long Beach in 2026, based on a 500 sqf project.

Budget
$125,000
$250/sqf
Mid-Range
$200,000
$400/sqf
High-End
$300,000
$600/sqf

Cost breakdown

Foundation & Framing
25%$50,000
Mechanical (HVAC, Plumbing, Electrical)
20%$40,000
Interior Finishes
20%$40,000
Exterior & Roofing
15%$30,000
Kitchen & Bath Fixtures
10%$20,000
Permits, Plans & Engineering
10%$20,000

Breakdown based on mid-range estimate of $200,000

Typical Timeline
4-8 months
Permits Required

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

Remodeling in Long Beach

Long Beach's mix of bungalows, mid-century homes, and coastal properties creates diverse remodeling needs. Proximity to the port means material delivery is efficient, keeping costs slightly below LA proper.

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 Long Beach

Kitchen Remodel
$30,000 – $90,000
Bathroom Remodel
$15,000 – $48,000
Room Addition
$60,000 – $165,000
Roof Replacement
$12,500 – $37,500
Exterior Paint
$5,000 – $17,500
Whole House Remodel
$270,000 – $900,000

ADU / Guest House cost in other California cities

Modesto
$100,000 – $240,000 | Stanislaus County
Mission Viejo
$131,250 – $315,000 | Orange County
Pasadena
$137,500 – $330,000 | Los Angeles County
Culver City
$137,500 – $330,000 | Los Angeles County
Vacaville
$112,500 – $270,000 | Solano County
Santa Clarita
$125,000 – $300,000 | Los Angeles County
Santa Monica
$150,000 – $360,000 | Los Angeles County
Chula Vista
$118,750 – $285,000 | San Diego County

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