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ADU Builders & Contractors in Santee, CA

Santee, CA homeowners looking to build an ADU have 174 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 Santee starts here.

📊 ADU Quick Facts for Santee

Avg. Cost/sqft

$193-$368

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 174 ADU Contractors in Santee

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#1TAVOLAZZI CONSTRUCTION CO

Santee, CA

Tavolazzi Construction CO — licensed ADU contractor in Santee, CA. Detached ADU construction. 17+ years experience.

View Profile📞 (619) 888 4468
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#2SUPERIOR CONTRACTING INC

Santee, CA

Superior Contracting Inc — licensed ADU contractor in Santee, CA. Detached ADU construction. 42+ years experience.

View Profile📞 (619) 449 8788
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#3PRIEST DEVELOPMENT CORPORATION

Santee, CA

Priest Development Corporation — licensed ADU contractor in Santee, CA. Detached ADU construction. 14+ years experience.

View Profile📞 (619) 838 0631
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#4SEABOCH TODD CONSTRUCTION & CONSULTING

Santee, CA

Seaboch Todd Construction & Consulting — licensed ADU contractor in Santee, CA. Detached ADU construction.

View Profile📞 (858) 899 6588
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#5UPTOWN HOME SERVICES

Santee, CA

Uptown Home Services — licensed ADU contractor in Santee, CA. Detached ADU construction. 27+ years experience.

View Profile📞 (619) 962 0895
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#6BUXCON SHEETMETAL INC

Santee, CA

Buxcon Sheetmetal Inc — licensed ADU contractor in Santee, CA. Detached ADU construction. 22+ years experience.

View Profile📞 (619) 937 0001
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#7ESIGN SERVICES INC

Santee, CA

Esign Services Inc — licensed ADU contractor in Santee, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (619) 838 7171
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#8T N CONSTRUCTION

Santee, CA

T N Construction — licensed ADU contractor in Santee, CA. Detached ADU construction. 32+ years experience.

View Profile📞 (619) 370 7259
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#9A M CONSTRUCTION #1

Santee, CA

A M Construction #1 — licensed ADU contractor in Santee, CA. Detached ADU construction. 18+ years experience.

View Profile📞 (619) 208 1671
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#10WALTERS MARK CONSTUCTION

Santee, CA

Walters Mark Constuction — licensed ADU contractor in Santee, CA. Detached ADU construction. 20+ years experience.

View Profile📞 (619) 993 9795
View All 174 Contractors →

💰 How Much Does an ADU Cost in Santee?

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 Santee contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Santee

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