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ADU Builders & Contractors in West Covina, CA

West Covina, CA is home to 215 ADU contractors ready to help. From initial permits to final inspection, these local professionals know West Covina's building codes and can guide your project from concept to completion.

📊 ADU Quick Facts for West Covina

Avg. Cost/sqft

$197-$372

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 215 ADU Contractors in West Covina

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#1BAXTER BOB MAINTENANCE & CONSTRUCTION

West Covina, CA

Baxter Bob Maintenance & Construction — licensed ADU contractor in West Covina, CA. Detached ADU construction. 51+ years experience.

View Profile📞 (626) 918 7019
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#2PRESTIGE BUILDING AND DEVELOPMENT

West Covina, CA

Prestige Building And Development — licensed ADU contractor in West Covina, CA. Detached ADU construction. 18+ years experience.

View Profile📞 (310) 482 0820
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#3CAVILU BUILDERS

West Covina, CA

Cavilu Builders — licensed ADU contractor in West Covina, CA. Detached ADU construction.

View Profile📞 (310) 363 0879
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#4LIU MIKE

West Covina, CA

Liu Mike — licensed ADU contractor in West Covina, CA. Detached ADU construction. 14+ years experience.

View Profile📞 (626) 617 9955
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#5CELCO CONSTRUCTION SERVICES INCORPORATED

West Covina, CA

Celco Construction Services Incorporated — licensed ADU contractor in West Covina, CA. Detached ADU construction. 12+ years experience.

View Profile📞 (626) 956 3556
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#6HUO MING

West Covina, CA

Huo Ming — licensed ADU contractor in West Covina, CA. Detached ADU construction. 10+ years experience.

View Profile📞 (626) 500 5977
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#7DORGAN SERVICES

West Covina, CA

Dorgan Services — licensed ADU contractor in West Covina, CA. Detached ADU construction. 27+ years experience.

View Profile📞 (626) 560 3234
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#8RODRIGUEZ M BUILDERS

West Covina, CA

Rodriguez M Builders — licensed ADU contractor in West Covina, CA. Detached ADU construction. 23+ years experience.

View Profile📞 (626) 506 1394
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#9KREATIONZ FINEST CORP

West Covina, CA

Kreationz Finest Corp — licensed ADU contractor in West Covina, CA. Detached ADU construction. 14+ years experience.

View Profile📞 (626) 512 1838
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#10PHENIX BUILDERS

West Covina, CA

Phenix Builders — licensed ADU contractor in West Covina, CA. Detached ADU construction. 6+ years experience.

View Profile📞 (626) 391 2206
View All 215 Contractors →

💰 How Much Does an ADU Cost in West Covina?

Garage Conversion

$68,500 - $128,500

Converting existing garage to living space

Detached ADU

$147,000 - $322,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,101 - $5,101

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in West Covina

How much does it cost to build an ADU in West Covina?▼
The average cost to build an ADU in West Covina ranges from $147,000 to $322,000, or approximately $197 to $372 per square foot. Garage conversions typically cost $68,500 to $128,500.
How long does it take to get an ADU permit in West Covina?▼
The ADU permit process in West Covina 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 West Covina?▼
In West Covina, 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 West Covina?▼
West Covina 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 West Covina?▼
No parking is required for ADUs in West Covina 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

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