Anura Design specializes in ADU design, offering styles from modern farmhouse and contemporary steel to Mediterranean stucco. Their interiors feature open-concept layouts, natural wood tones, and refined finishes tailored to compact, functional living spaces.
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Inspired ADUs is an architect-led ADU design firm serving the Bay Area and Southern California. With 20+ years of experience and 250+ ADUs permitted, they offer custom, panelized, and modular ADU solutions, plus interior design and SB9 lot split services.
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AK Builders Inc is a White Salmon, WA contractor serving the Columbia River Gorge. They offer new home builds, remodels, ADU projects, and custom woodworking across Oregon and Washington.
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Clever Design & Remodeling builds ADUs across the San Francisco Bay Area, including garage conversions, attached, detached, and junior ADUs. Services cover permits, construction, interior design, and landscaping. Average ADU cost is ~$145,000.
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DeBrus Construction LLC is a San Francisco general contractor specializing in seismic retrofits, foundation repair, ADU construction, and home remodeling. Led by Malcolm DeBrus, the company handles mandatory soft story retrofits, garage conversions, and full remodels with transparent pricing.
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ExpandADU is a California-based prefab ADU builder offering full-service accessory dwelling unit construction, including consultation, design, planning, and build. Serving the Bay Area and beyond, they specialize in detached ADUs, granny flats, and JADUs.
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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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CityPaks is a minority & woman-owned ADU builder in the San Francisco Bay Area specializing in affordable, sustainable backyard cottages & detached ADUs using SIP panels. No crane needed, no sales tax, pre-approved in San Jose.
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Metricon Homes offers ADU construction and garage conversion services. Choose from 5 sizes: Marigold, Camellia, Magnolia, Dahlia, and Sunflower. Their Design to Doorstep process covers custom design to completion. Licensed contractor: Tobin Brinker, License #1128717.
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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 to construction.
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Bay Builders & Remodeling specializes in custom ADU construction across Santa Clara, San Mateo, and East Bay. Services include attached, detached, garage conversions, and JADUs, helping homeowners add rental income, family housing, or workspace.
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At Ingenuity Construction Group, we specialize in crafting exceptional Accessory Dwelling Units (ADUs) that blend seamlessly with your existing property. With over 20 years of experience, our dedicated team ensures each ADU project is completed with meticulous attention to detail and superior craftsmanship.
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Licensed ADU contractor Full Steam Ahead Construction serves East Bay homeowners with custom accessory dwelling units, including garage conversions, backyard cottages & in-law suites. Serving Concord, Oakland, Berkeley & more.
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Golden View Renovation offers ADU design, room additions & full construction services in San Jose & the Bay Area. Services include permits, JADUs, remodeling & free consultations for homeowners seeking to expand living space.
read moreHalf 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.
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:
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.
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:
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.