ADU Contractors near Westminster, CA
Custom ADU Builder
Los Angeles, CA 90012
25.3 miles
Custom ADU Builder specializes in detached ADUs, attached ADUs, garage conversions & JADUs. Projects complete in ~3 months. Pricing starts at $235/sqft. Turn-key builds include quartz countertops, tile showers & luxury vinyl flooring.
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MGMW Remodeling
11041 Santa Monica Blvd #301, Los Angeles, CA 90025
29 miles
MGMW Remodeling INC is a Los Angeles ADU contractor specializing in accessory dwelling units. Services include detached ADU construction, garage conversions, architectural design, permitting, and full project management from planning to completion... read more
ADU Certified
4401 Atlantic Avenue, Long Beach, CA 90807
11.8 miles
ADU Certified is a Long Beach, CA contractor specializing in ADU planning, permitting & construction since 2000. Services include garage conversions, detached ADUs, kitchen & bathroom remodeling throughout Southern California.
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The ADU Guru
3438 Troy Drive, Los Angeles, CA 90068
32.1 miles
The ADU Guru is a full-service ADU contractor in Los Angeles & Orange County, specializing in garage conversions, detached ADUs & granny flats. With 100+ units completed, they offer $0 down, free 3D design & tenant placement.
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Golden ADU
640 S Curson Ave #603, Los Angeles, CA 90036
31.7 miles
Golden ADU, serving Southern California since 2021, specializes in custom ADU construction including garage conversions and detached backyard cottages. They offer flexible financing with no upfront costs, completing most projects in 6–12 months.... read more
ORO Coast Builders
7129 Forest Hills Road, Los Angeles, CA 91307
48.3 miles
ORO Coast Builders is an ADU contractor in Los Angeles & the Bay Area with 25+ years of experience. They build detached ADUs, garage conversions, basement conversions & JADUs—fully custom, no prefab.
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ORR Construction
1977 Obispo Avenue, Signal Hill, CA 90755
10 miles
ADUs are secondary units built on existing lots. ORR Construction builds detached ADUs, garage conversions, JADUs & in-law suites in California. Costs range $50–$300/sq ft. California laws like SB 897 simplify the permitting process.
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ADU Builders
6464 Sunset Boulevard, Hollywood, CA 90028
30.7 miles
ADU Builders is a licensed Los Angeles ADU contractor with 15 years of experience. They build detached ADUs, garage conversions, attached ADUs, and JADUs, handling permits, design, and inspections for stress-free ADU construction.
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Cahla Construction Group
12207 Hawthorne Boulevard, Hawthorne, CA 90250
23.7 miles
Cahla Construction Group is a licensed ADU contractor in Los Angeles offering ADU construction, garage conversions, kitchen & bathroom remodeling, home additions, and general contracting for residential and commercial clients.
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Skyline Construction and Remodeling
22647 Ventura Boulevard, Woodland Hills, CA 91364
44.2 miles
Skyline Construction & Remodeling has served Los Angeles & Ventura County since 1997. Licensed contractor offering kitchen remodels, bathroom upgrades, room additions, new builds & ADU garage conversions with 25+ years of expert crafts... read more
SKS Construction
6445 Sepulveda Boulevard, Van Nuys, CA 91411
40.4 miles
SKS Construction, founded in 1987 in Los Angeles, offers ADU construction, seismic retrofitting, balcony inspections (SB 326 & SB 721 compliance), and structural engineering. With 200+ projects and 80% repeat clients, they deliver expert desig... read more
ADU Builders CA
6464 Sunset Boulevard, Los Angeles, CA 90028
30.7 miles
ADU Builders is a licensed Los Angeles ADU contractor with 15 years of experience. They offer detached, attached, garage conversion, and JADU construction, managing permits, design, and inspections per California ADU building codes.
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Supreme Remodeling Inc.
5000 Van Nuys Boulevard, Van Nuys, CA 91403
38.4 miles
Supreme Remodeling Inc. is a licensed Los Angeles general contractor with 30+ years of experience. Services include kitchen & bathroom remodeling, ADU construction, garage conversions, room additions, and new home builds across LA, Ventura &am... read more
Waconah Construction
616 Edgewood Street, Inglewood, CA 90302
25.5 miles
Waconah Construction builds custom ADUs in West Los Angeles, including backyard cottages, garage conversions, above-garage units, and granny flats. Serving Santa Monica, Venice, Brentwood & Beverly Hills, they guide homeowners through design, ... read more
Liebo Builders
750 North San Vicente Boulevard, West Hollywood, CA 90069
31.9 miles
Liebo Builders is a Southern California ADU contractor specializing in detached, attached, garage conversion & interior ADUs. Services include custom design, permitting, and construction for guest houses, rentals & home offices.
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Other cities in California
What you need to know
ADU Contractors in Westminster, CA: Building in Orange County's Little Saigon
Westminster, California, famously known as the home of Little Saigon, the largest Vietnamese-American community in the United States, is a vibrant city in Orange County with a dense residential landscape. This unique cultural and demographic character has driven significant demand for Accessory Dwelling Units (ADUs) in Westminster, as multigenerational living is a deeply rooted tradition in many of the city's households. Experienced ADU contractors in Westminster understand this cultural context and specialize in designing spaces that accommodate extended families while maximizing property value.
Westminster ADU Regulations and Zoning Requirements
ADU contractors working in Westminster must navigate both California state ADU laws and the city's local ordinances. Following California's landmark ADU legislation, Westminster has aligned its policies to encourage ADU development. Key regulations that contractors and homeowners must be aware of include:
- ADUs are permitted in single-family and multifamily residential zones throughout Westminster
- Detached ADUs can be up to 1,200 square feet in size
- Junior ADUs (JADUs) are allowed up to 500 square feet within the existing primary structure
- Setback requirements typically require 4-foot side and rear yard setbacks for new detached ADUs
- ADUs under 750 square feet are exempt from impact fees under California law
- Owner-occupancy requirements have been suspended through 2025 per state law
Why Hire a Local Westminster ADU Contractor?
Hiring a licensed ADU contractor familiar with Westminster is essential for a smooth building process. Local contractors have established relationships with the City of Westminster Community Development Department and understand the permitting timelines and plan check requirements specific to this city. Westminster's older housing stock, with many homes built in the 1950s through 1970s, often presents unique challenges such as outdated electrical panels, older plumbing systems, and slab foundations that require expert evaluation before ADU construction begins.
Types of ADUs Built in Westminster
Professional ADU contractors in Westminster offer a full range of construction options tailored to the city's typical lot sizes and home configurations:
- Detached ADUs – Standalone backyard units ideal for rental income or family use
- Attached ADUs – Additions connected to the primary residence
- Garage Conversions – A popular and cost-effective option given Westminster's many single-car garages
- Junior ADUs (JADUs) – Interior conversions within the existing home footprint
Maximize Your Westminster Property with a Trusted ADU Contractor
With median home values rising across Orange County, adding an ADU in Westminster is one of the smartest investments a homeowner can make. Whether you're looking to house family members, generate rental income, or increase your property's resale value, working with a qualified, licensed ADU contractor in Westminster, CA ensures your project is completed on time, on budget, and fully up to code.