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ADU Builders & Contractors in Aptos, CA

Aptos, CA is home to 164 ADU contractors ready to help. From initial permits to final inspection, these local professionals know Aptos's building codes and can guide your project from concept to completion.

📊 ADU Quick Facts for Aptos

Avg. Cost/sqft

$195-$370

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 164 ADU Contractors in Aptos

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#1APTOS-SEASCAPE ELECTRIC

Aptos, CA

Aptos-Seascape Electric — licensed ADU contractor in Aptos, CA. Detached ADU construction. 49+ years experience.

View Profile📞 (831) 688 3661
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#2JON COCHRAN

Aptos, CA

Jon Cochran — licensed ADU contractor in Aptos, CA. Detached ADU construction. 27+ years experience.

View Profile📞 (831) 750 4405
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#3COASTAL CONCEPTS

Aptos, CA

Coastal Concepts — licensed ADU contractor in Aptos, CA. Detached ADU construction. 37+ years experience.

View Profile📞 (808) 652 4033
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#4KIMES KELLY CONST

Aptos, CA

Kimes Kelly Const — licensed ADU contractor in Aptos, CA. Detached ADU construction. 17+ years experience.

View Profile📞 (831) 662 8607
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#5TAFOYA CONSTRUCTION CO

Aptos, CA

Tafoya Construction CO — licensed ADU contractor in Aptos, CA. Detached ADU construction. 34+ years experience.

View Profile📞 (408) 251 1234
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#6A J S BUILDERS INC

Aptos, CA

A J S Builders Inc — licensed ADU contractor in Aptos, CA. Detached ADU construction. 22+ years experience.

View Profile📞 (831) 515 7015
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#7CALYPSO CONSTRUCTION

Aptos, CA

Calypso Construction — licensed ADU contractor in Aptos, CA. Detached ADU construction. 22+ years experience.

View Profile📞 (831) 251 0584
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#8FISHER ADAM CONSTRUCTION

Aptos, CA

Fisher Adam Construction — licensed ADU contractor in Aptos, CA. Detached ADU construction. 21+ years experience.

View Profile📞 (831) 566 8014
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#9SOLID CONSTRUCTION

Aptos, CA

Solid Construction — licensed ADU contractor in Aptos, CA. Detached ADU construction. 29+ years experience.

View Profile📞 (408) 426 0694
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#10HAYES RICHARD E

Aptos, CA

Hayes Richard E — licensed ADU contractor in Aptos, CA. Detached ADU construction. 29+ years experience.

View Profile📞 (831) 251 8328
View All 164 Contractors →

💰 How Much Does an ADU Cost in Aptos?

Garage Conversion

$67,500 - $127,500

Converting existing garage to living space

Detached ADU

$145,000 - $320,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,112 - $5,112

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Aptos

How much does it cost to build an ADU in Aptos?▼
The average cost to build an ADU in Aptos ranges from $145,000 to $320,000, or approximately $195 to $370 per square foot. Garage conversions typically cost $67,500 to $127,500.
How long does it take to get an ADU permit in Aptos?▼
The ADU permit process in Aptos 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 Aptos?▼
In Aptos, 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 Aptos?▼
Aptos 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 Aptos?▼
No parking is required for ADUs in Aptos 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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