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ADU Builders & Contractors in Valencia, CA

Valencia, CA is home to 184 ADU contractors ready to help. From initial permits to final inspection, these local professionals know Valencia's building codes and can guide your project from concept to completion.

📊 ADU Quick Facts for Valencia

Avg. Cost/sqft

$196-$371

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 184 ADU Contractors in Valencia

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#1AQUA BLUE CONSTRUCTION POOLS AND SPAS

Valencia, CA

Aqua Blue Construction Pools And Spas — licensed ADU contractor in Valencia, CA. Detached ADU construction. 14+ years experience.

View Profile📞 (661) 478 5352
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#2NEIMROOZI FRANK

Valencia, CA

Neimroozi Frank — licensed ADU contractor in Valencia, CA. Detached ADU construction. 19+ years experience.

View Profile📞 (310) 740 9999
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#3BREWER CONSTRUCTION

Valencia, CA

Brewer Construction — licensed ADU contractor in Valencia, CA. Detached ADU construction. 40+ years experience.

View Profile📞 (661) 645 1665
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#4KEANE CONSTRUCTORS INC

Valencia, CA

Keane Constructors Inc — licensed ADU contractor in Valencia, CA. Detached ADU construction. 37+ years experience.

View Profile📞 (661) 465 4455
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#5RAVEN GC INC

Valencia, CA

Raven GC Inc — licensed ADU contractor in Valencia, CA. Detached ADU construction. 31+ years experience.

View Profile📞 (661) 510 7232
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#6LAU ERIC

Valencia, CA

Lau Eric — licensed ADU contractor in Valencia, CA. Detached ADU construction. 33+ years experience.

View Profile📞 (818) 271 8830
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#7IM YOUR CONSTRUCTION GROUP

Valencia, CA

IM Your Construction Group — licensed ADU contractor in Valencia, CA. Detached ADU construction.

View Profile📞 (323) 356 4764
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#8BLAHA CONSTRUCTION & DEVELOPMENT

Valencia, CA

Blaha Construction & Development — licensed ADU contractor in Valencia, CA. Detached ADU construction. 35+ years experience.

View Profile📞 (661) 799 1618
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#9ANDERSON KEN

Valencia, CA

Anderson Ken — licensed ADU contractor in Valencia, CA. Detached ADU construction. 13+ years experience.

View Profile📞 (661) 607 6680
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#10ROANE E CONSTRUCTION

Valencia, CA

Roane E Construction — licensed ADU contractor in Valencia, CA. Detached ADU construction. 12+ years experience.

View Profile📞 (818) 726 0091
View All 184 Contractors →

💰 How Much Does an ADU Cost in Valencia?

Garage Conversion

$68,000 - $128,000

Converting existing garage to living space

Detached ADU

$146,000 - $321,000

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 Valencia contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Valencia

How much does it cost to build an ADU in Valencia?▼
The average cost to build an ADU in Valencia ranges from $146,000 to $321,000, or approximately $196 to $371 per square foot. Garage conversions typically cost $68,000 to $128,000.
How long does it take to get an ADU permit in Valencia?▼
The ADU permit process in Valencia 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 Valencia?▼
In Valencia, 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 Valencia?▼
Valencia 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 Valencia?▼
No parking is required for ADUs in Valencia 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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