ADU Contractors near Half Moon Bay, CA
Adapt Dwellings
5944 Claremont Avenue, Oakland, CA 94618
28 miles
ADUs add rental income & property value. Services include garage conversions, detached ADUs, JADUs & granny flats. ADU Feasibility Studies cover code, utilities & ROI. Architectural services via Adapt Dwellings ensure smooth approval t... read more
Done Right Builders and Remodeling
1825 De La Cruz Boulevard, Santa Clara, CA 95050
28.3 miles
Done Right Builders & Remodeling is a licensed Bay Area ADU contractor (Lic#1002689) with 20+ years experience. Services include detached/attached ADUs, JADUs & garage conversions in Union City, Hayward, San Jose & Santa Clara.
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Edri Construction, Inc. Berkeley
2120 University Ave, Berkeley, CA 94704
29.4 miles
Edri Construction, Inc. is a Berkeley-based general contractor specializing in ADU construction across the Bay Area. Services include garage conversions, detached ADUs, attached additions, granny flats, and custom interiors, with full project mana... read more
UDA ADU
Palm Avenue, Los Altos, CA 94022
19 miles
UDA ADU is a California ADU contractor specializing in detached ADUs, garage conversions, JADUs, and in-law suites. They handle design, permitting, and construction, offering homeowners a streamlined, full-service ADU building experience.
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Valley Boutique Builders
153 2nd Street, Los Altos, CA 94022
18.6 miles
Valley Boutique Builders is a licensed Bay Area ADU contractor offering full-service accessory dwelling unit construction, custom home additions, kitchen and bathroom remodeling, and new construction with free initial consultations.
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Regency Construnction & Remodeling BA
The Paramount, 95 3rd St, San Francisco, CA 94103
22.1 miles
Regency Construction & Remodeling BA is a San Francisco ADU contractor offering new builds, space conversions, and prefab ADU solutions. They handle design to completion, manage permits, and ensure compliance with local zoning laws.
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Home WiP Construction Concierge
171 Main St 261, Los Altos, CA
18.7 miles
ADORE Homes
180 East Sunnyoaks Avenue, Campbell, CA 95008
30 miles
ADORE Homes is a California ADU contractor specializing in detached ADUs, garage conversions, JADUs & in-law suites. They manage design, permitting & construction, helping homeowners add value & living space.
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Epic Modulars
157 North 4th Street, San Jose, CA 95112
31.4 miles
Epic Modulars delivers fast, flexible, and customizable solutions for homes and ADUs. Their manufactured homes and ADUs are built in controlled factory environments, ensuring superior quality, faster timelines, and predictable costs.
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LRL Builders
1661 Botelho Drive, Walnut Creek, CA 94596
35.9 miles
G Squared Construction
67 Martha Road, Orinda, CA 94563
31.7 miles
ADU Builders Bay Area
111 N Market St Suite 1150, San Jose, CA 95113
30.2 miles
ADU Builders Bay Area specializes in detached ADUs, garage conversions, in-law suites & more. Expert ADU contractors offering transparent pricing, full permitting & quality construction throughout the Bay Area.
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Karl Kardel Company
4926 East 12th Street, Oakland, CA 94601
24.2 miles
Karl Kardel Company offers home remodeling, additions, and ADU construction in Oakland, Pasadena, and the Bay Area. Services include detached ADUs, garage conversions, granny flats, kitchen and bathroom renovations for residential properties.
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DNM Architecture
1A Gate 5 Road, Sausolito, CA 94965
28 miles
DNM Architecture is a California-based firm specializing in ADU design and permitting. Their ADUxDNM program covers site analysis, design, permitting, and construction management, offering detached ADUs, garage conversions, and more.
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Harmony Design & Development
5880 3rd Street, San Francisco, CA 94124
22 miles
Harmony Design & Development builds custom ADUs across the San Francisco Bay Area, including detached units, garage conversions, and in-law suites. They manage permits, design, and construction from start to finish.
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Other cities in California
What you need to know
Building ADUs in Half Moon Bay: Coastal Zone Challenges and Opportunities
Half Moon Bay, nestled along the stunning San Mateo County coastline, presents a unique set of challenges for ADU contractors. Much of the city falls within the California Coastal Zone, which means that accessory dwelling unit projects may require not only standard local permits but also a Coastal Development Permit (CDP) issued in compliance with the California Coastal Act. Experienced ADU contractors in Half Moon Bay understand how to navigate these additional regulatory layers, ensuring your project moves forward without costly delays.
Local Zoning and ADU Regulations in Half Moon Bay
Half Moon Bay follows California state ADU law while also enforcing its own Municipal Code and Local Coastal Program (LCP). Homeowners in residential zones such as R-1 and R-2 are generally permitted to build ADUs, but contractors must carefully review setback requirements, lot coverage limits, and height restrictions that can vary by parcel. The city typically allows ADUs up to 1,200 square feet for detached units, and Junior ADUs (JADUs) up to 500 square feet within existing primary structures. Key considerations include:
- Compliance with the Half Moon Bay Local Coastal Program
- Potential requirement for a Coastal Development Permit
- Setback minimums of 4 feet from rear and side property lines for new detached ADUs
- Owner-occupancy rules that may apply depending on the project type
- Environmental review for properties near sensitive coastal habitats
Why Hire a Specialized ADU Contractor in Half Moon Bay?
Working with an ADU contractor experienced in Half Moon Bay is essential due to the city's complex regulatory environment. A knowledgeable contractor will handle the permitting process with the City of Half Moon Bay Community Development Department, coordinate with the California Coastal Commission when necessary, and ensure your ADU meets all building codes including seismic safety standards relevant to this coastal region. Attempting to manage these requirements without professional guidance can result in permit denials, project delays, and significant financial setbacks.
Types of ADUs Commonly Built in Half Moon Bay
Given the character of Half Moon Bay's residential neighborhoods — many featuring larger lots with existing single-family homes — the most popular ADU types include:
- Detached ADUs: Standalone backyard cottages ideal for rental income or multigenerational living
- Garage Conversions: Transforming existing garages into livable spaces with minimal new construction
- Attached ADUs: Additions connected to the primary home, maximizing existing infrastructure
- Junior ADUs (JADUs): Converted interior spaces within the primary residence
Maximize Your Investment with the Right ADU Contractor
Half Moon Bay's desirable location along the San Mateo County coast means that a well-built ADU can command strong rental rates and significantly increase property value. By partnering with a licensed, local ADU contractor who understands the city's coastal regulations, zoning codes, and construction environment, homeowners can confidently move from concept to completed unit — and start enjoying the financial and lifestyle benefits of their new accessory dwelling unit.