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ADU Builders & Contractors in Upland, CA

Upland, CA homeowners looking to build an ADU have 266 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 Upland starts here.

📊 ADU Quick Facts for Upland

Avg. Cost/sqft

$195-$370

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 266 ADU Contractors in Upland

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#1ALTERNATIVE CONSTRUCTION SERVICES

Upland, CA

Alternative Construction Services — licensed ADU contractor in Upland, CA. Detached ADU construction. 26+ years experience.

View Profile📞 (951) 203 5296
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#2FOR YOUR WALLS ONLY

Upland, CA

For Your Walls Only — licensed ADU contractor in Upland, CA. Detached ADU construction. 30+ years experience.

View Profile📞 (909) 949 6924
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#3PROACT BUILDING CONTRACTORS

Upland, CA

Proact Building Contractors — licensed ADU contractor in Upland, CA. Detached ADU construction. 7+ years experience.

View Profile📞 (626) 831 6674
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#4NEW MAX CORPORATION THE

Upland, CA

New Max Corporation The — licensed ADU contractor in Upland, CA. Detached ADU construction.

View Profile📞 (909) 921 5707
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#5NOWELL CONSTRUCTION

Upland, CA

Nowell Construction — licensed ADU contractor in Upland, CA. Detached ADU construction. 7+ years experience.

View Profile📞 (909) 538 2365
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#6MUNIZ ANTONIO JR

Upland, CA

Muniz Antonio JR — licensed ADU contractor in Upland, CA. Detached ADU construction. 15+ years experience.

View Profile📞 (909) 244 2181
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#7ALLOY BUILDERS LLC

Upland, CA

Alloy Builders Llc — licensed ADU contractor in Upland, CA. Detached ADU construction. 36+ years experience.

View Profile📞 (323) 855 6150
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#8SOCAL RESTORATION PROS

Upland, CA

Socal Restoration Pros — licensed ADU contractor in Upland, CA. Detached ADU construction.

View Profile📞 (909) 630 1943
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#9GREGORY SCHWEITZER CONSTRUCTION COMPANY

Upland, CA

Gregory Schweitzer Construction Company — licensed ADU contractor in Upland, CA. Detached ADU construction. 22+ years experience.

View Profile📞 (909) 981 2050
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#10COASTLINE TILE AND SHOWER

Upland, CA

Coastline Tile And Shower — licensed ADU contractor in Upland, CA. Detached ADU construction. 21+ years experience.

View Profile📞 (800) 313 1548
View All 266 Contractors →

💰 How Much Does an ADU Cost in Upland?

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 Upland contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Upland

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