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ADU Builders & Contractors in Poway, CA

Poway, CA homeowners looking to build an ADU have 167 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 Poway starts here.

📊 ADU Quick Facts for Poway

Avg. Cost/sqft

$190-$365

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 167 ADU Contractors in Poway

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#1TAGG PLUMBING & RESTORATION

Poway, CA

Tagg Plumbing & Restoration — licensed ADU contractor in Poway, CA. Detached ADU construction.

View Profile📞 (858) 213 9879
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#2ONE CONSTRUCTION

Poway, CA

One Construction — licensed ADU contractor in Poway, CA. Detached ADU construction. 22+ years experience.

View Profile📞 (858) 231 3314
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#3ILS CONSTRUCTION SERVICES

Poway, CA

Ils Construction Services — licensed ADU contractor in Poway, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (858) 842 4127
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#4CLICKER GARAGE DOOR SERVICE & SALES INC

Poway, CA

Clicker Garage Door Service & Sales Inc — licensed ADU contractor in Poway, CA. Detached ADU construction.

View Profile📞 (858) 666 6722
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#5C AND S REMODELING

Poway, CA

C And S Remodeling — licensed ADU contractor in Poway, CA. Detached ADU construction. 6+ years experience.

View Profile📞 (619) 339 5722
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#6ALVAND CONSTRUCTION INC

Poway, CA

Alvand Construction Inc — licensed ADU contractor in Poway, CA. Detached ADU construction. 34+ years experience.

View Profile📞 (858) 668 2830
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#7COPPER RIDGE CONSTRUCTION

Poway, CA

Copper Ridge Construction — licensed ADU contractor in Poway, CA. Detached ADU construction.

View Profile📞 (858) 361 6703
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#8HOSSINI HOMES LLC

Poway, CA

Hossini Homes Llc — licensed ADU contractor in Poway, CA. Detached ADU construction.

View Profile📞 (619) 804 4119
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#9PORTMAN DEVELOPMENT & CONSTRUCTION CO

Poway, CA

Portman Development & Construction CO — licensed ADU contractor in Poway, CA. Detached ADU construction. 46+ years experience.

View Profile📞 (650) 269 1006
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#10HINZ CONSTRUCTION

Poway, CA

Hinz Construction — licensed ADU contractor in Poway, CA. Detached ADU construction. 33+ years experience.

View Profile📞 (858) 829 7753
View All 167 Contractors →

💰 How Much Does an ADU Cost in Poway?

Garage Conversion

$65,000 - $125,000

Converting existing garage to living space

Detached ADU

$140,000 - $315,000

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 Poway contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Poway

How much does it cost to build an ADU in Poway?▼
The average cost to build an ADU in Poway ranges from $140,000 to $315,000, or approximately $190 to $365 per square foot. Garage conversions typically cost $65,000 to $125,000.
How long does it take to get an ADU permit in Poway?▼
The ADU permit process in Poway 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 Poway?▼
In Poway, 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 Poway?▼
Poway 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 Poway?▼
No parking is required for ADUs in Poway 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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