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ADU Builders & Contractors in San Pedro, CA

San Pedro, CA homeowners looking to build an ADU have 120 licensed contractors to choose from, ready to help. Whether you're planning a garage conversion, detached ADU, or junior ADU, finding the right contractor in San Pedro starts here.

📊 ADU Quick Facts for San Pedro

Avg. Cost/sqft

$193-$368

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 120 ADU Contractors in San Pedro

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#1BLUEWATER PROPERTY MAINTENANCE & DEVELOPMENT

San Pedro, CA

Bluewater Property Maintenance & Development — licensed ADU contractor in San Pedro, CA. Detached ADU construction. 37+ years experience.

View Profile📞 (310) 505 1997
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#2OLDAR LESLIE CONSTRUCTION

San Pedro, CA

Oldar Leslie Construction — licensed ADU contractor in San Pedro, CA. Detached ADU construction. 26+ years experience.

View Profile📞 (310) 406 7281
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#3STONEHILL CONSTRUCTION

San Pedro, CA

Stonehill Construction — licensed ADU contractor in San Pedro, CA. Detached ADU construction. 26+ years experience.

View Profile📞 (310) 989 3530
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#4WAKITA ANDREA CHRISTINE

San Pedro, CA

Wakita Andrea Christine — licensed ADU contractor in San Pedro, CA. Detached ADU construction. 33+ years experience.

View Profile📞 (310) 266 2556
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#5JEFFERY THATCHER

San Pedro, CA

Jeffery Thatcher — licensed ADU contractor in San Pedro, CA. Detached ADU construction. 17+ years experience.

View Profile📞 (424) 744 9287
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#6BASICA CONSTRUCTION

San Pedro, CA

Basica Construction — licensed ADU contractor in San Pedro, CA. Detached ADU construction. 27+ years experience.

View Profile📞 (310) 561 0667
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#7J M BUILDER

San Pedro, CA

J M Builder — licensed ADU contractor in San Pedro, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (310) 871 9523
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#8GREEN HOME BUILDERS INC

San Pedro, CA

Green Home Builders Inc — licensed ADU contractor in San Pedro, CA. Detached ADU construction.

View Profile📞 (310) 291 3173
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#9ROJAS CONSTRUCTION

San Pedro, CA

Rojas Construction — licensed ADU contractor in San Pedro, CA. Detached ADU construction. 17+ years experience.

View Profile📞 (310) 987 0727
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#10URSIC PETE

San Pedro, CA

Ursic Pete — licensed ADU contractor in San Pedro, CA. Detached ADU construction. 42+ years experience.

View Profile📞 (310) 548 7802
View All 120 Contractors →

💰 How Much Does an ADU Cost in San Pedro?

Garage Conversion

$66,500 - $126,500

Converting existing garage to living space

Detached ADU

$143,000 - $318,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,097 - $5,097

Plan check, permits, utility connections

* Costs vary based on size, finishes, site conditions, and contractor. Get quotes from multiple San Pedro contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in San Pedro

How much does it cost to build an ADU in San Pedro?▼
The average cost to build an ADU in San Pedro ranges from $143,000 to $318,000, or approximately $193 to $368 per square foot. Garage conversions typically cost $66,500 to $126,500.
How long does it take to get an ADU permit in San Pedro?▼
The ADU permit process in San Pedro typically takes 60 to 120 weeks. California law requires cities to approve or deny ADU permits within 60 days of receiving a complete application.
What are the ADU size limits in San Pedro?▼
In San Pedro, detached ADUs can be up to 1200 square feet. Attached ADUs are limited to 50% of the primary dwelling or 1,200 sqft, whichever is less. Junior ADUs (JADUs) are limited to 500 sqft and must be within the existing home.
What is the setback requirement for ADUs in San Pedro?▼
San Pedro requires 4-foot setbacks from side property lines and 4-foot setbacks from rear property lines for new ADU construction. Converted structures (like existing garages) may maintain their current setbacks.
Do I need to provide parking for my ADU in San Pedro?▼
No parking is required for ADUs in San Pedro if your property is within half a mile of public transit, in a historic district, part of an existing multi-family building, or if the ADU is a garage conversion. Otherwise, one space may be required.

Also See ADU Contractors In

Los Angeles (3215)San Diego (2582)San Francisco (2170)Sacramento (1551)Riverside (925)Fresno (904)Anaheim (784)Irvine (760)

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