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ADU Builders & Contractors in Covina, CA

Covina, CA homeowners looking to build an ADU have 203 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 Covina starts here.

📊 ADU Quick Facts for Covina

Avg. Cost/sqft

$197-$372

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 203 ADU Contractors in Covina

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#1R C L

Covina, CA

R C L — licensed ADU contractor in Covina, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (626) 966 7000
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#2W F G VENTURES INC

Covina, CA

W F G Ventures Inc — licensed ADU contractor in Covina, CA. Detached ADU construction.

View Profile📞 (714) 393 6512
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#3PROLIFIC DRYWALL

Covina, CA

Prolific Drywall — licensed ADU contractor in Covina, CA. Detached ADU construction.

View Profile📞 (626) 430 6038
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#4MEZA PAUL ERIC CONSTRUCTION

Covina, CA

Meza Paul Eric Construction — licensed ADU contractor in Covina, CA. Detached ADU construction. 7+ years experience.

View Profile📞 (626) 926 5020
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#5LEGLEU CONSTRUCTION

Covina, CA

Legleu Construction — licensed ADU contractor in Covina, CA. Detached ADU construction.

View Profile📞 (951) 255 0494
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#6INLAND EMPIRE (I E) FENCE AND CONSTRUCTION INC

Covina, CA

Inland Empire (I E) Fence And Construction Inc — licensed ADU contractor in Covina, CA. Detached ADU construction. 10+ years experience.

View Profile📞 (909) 658 8001
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#7HMDB DESIGN BUILD CO

Covina, CA

Hmdb Design Build CO — licensed ADU contractor in Covina, CA. Detached ADU construction. 6+ years experience.

View Profile📞 (323) 487 0676
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#8D&R CONTRACTORS INC

Covina, CA

D&R Contractors Inc — licensed ADU contractor in Covina, CA. Detached ADU construction.

View Profile📞 (562) 391 5498
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#9JONATHAN REYES

Covina, CA

Jonathan Reyes — licensed ADU contractor in Covina, CA. Detached ADU construction.

View Profile📞 (424) 303 2863
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#10ZIHENG GUO

Covina, CA

Ziheng Guo — licensed ADU contractor in Covina, CA. Detached ADU construction.

View Profile📞 (626) 885 5888
View All 203 Contractors →

💰 How Much Does an ADU Cost in 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

$1,111 - $5,111

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Covina

How much does it cost to build an ADU in Covina?▼
The average cost to build an ADU in 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 Covina?▼
The ADU permit process in 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 Covina?▼
In 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 Covina?▼
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 Covina?▼
No parking is required for ADUs in 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

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

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