Top ADU Contractors in Coronado (2026)

Vetted professionals specializing in custom builds, prefabs, and garage conversions. Average Coronado costs range around $320,000.

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We pre-screen Coronado ADU contractors for licensing, insurance, and ADU-specific experience. Match request takes 60 seconds.

Get 3 free quotes from vetted Coronado ADU builders

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4001,500

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How We Select Contractors

Verified Licenses & Insurance
Specialized ADU Experience
Positive Local Reviews

Featured Coronado ADU Builders

Snap ADU

8 Years in Business
Full-Service ADU

Experienced with Coronado's design overlay and coastal permitting — turnkey design-build with city liaison.

Price: $240k–$400k Coronado

GreenLight ADU

6 Years in Business
Design-Build

Fixed-cost design-build firm familiar with Coronado's pre-1940 character review for exterior materials and roof pitch.

Price: $260k–$430k Coronado

Maxable Space

10 Years in Business
ADU Planning

Project management and builder-matching for Coronado homeowners navigating historic-character review.

Price: $210k–$380k Coronado

Coronado Heritage Builders

16 Years in Business
Historic / Character Match

Specialists in ADUs that match Coronado's Craftsman, Spanish Colonial, and Victorian streetscape.

Price: $290k–$500k Coronado

Island Cottage ADU Co.

8 Years in Business
Cottage ADUs

Detached cottage ADUs scaled to Coronado's tight lots, with materials sourced for salt-air durability.

Price: $220k–$380k Coronado

Pacific Crest ADU

9 Years in Business
Custom Builds

Custom ADU construction for Coronado, including Coronado Cays waterfront lots.

Price: $250k–$420k Coronado

Hotel Del Builders

12 Years in Business
Garage Conversions

Garage-to-ADU conversions for Coronado's tight lots — often the only path to an ADU on small parcels.

Price: $130k–$230k Coronado

Orange Avenue Design Build

20 Years in Business
Architecture + Build

Architectural design-build firm with deep experience getting through Coronado's design review board.

Price: $280k–$460k Coronado

Get 3 free quotes from verified Coronado ADU builders

We pre-screen Coronado ADU contractors for licensing, insurance, and ADU-specific experience. Match request takes 60 seconds.

Get 3 free quotes from vetted Coronado ADU builders

No spam. No obligation. Avg response time: 1 business day.

Step 1: ProjectStep 2: Contact
4001,500

We never sell your data. You control which builders contact you.

ADU Contractor Red Flags

  • Requires more than 10% down payment upfront
  • Doesn't handle the permitting process
  • Gives an estimate without seeing the property
  • Lacks specific ADU portfolio (just general remodeling)
  • Pressures you to sign immediately

Contractor FAQ

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Get 3 free quotes from verified Coronado ADU builders

We pre-screen Coronado ADU contractors for licensing, insurance, and ADU-specific experience. Match request takes 60 seconds.

Get 3 free quotes from vetted Coronado ADU builders

No spam. No obligation. Avg response time: 1 business day.

Step 1: ProjectStep 2: Contact
4001,500

We never sell your data. You control which builders contact you.