ADU Contractors near Westminster, CA
Unlimited Construction & Remodeling, Inc
8500 Wilshire Boulevard, Beverly Hills, CA 90211
30.8 miles
Unlimited Construction & Remodeling (UCR), a licensed Beverly Hills contractor, serves LA, Orange & Ventura Counties. Specializing in garage conversions, ADUs & home remodeling, this family-owned firm delivers budget-conscious, code-compliant residential & commercial renovations.
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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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Oasis Builders
11500 West Olympic Boulevard, Los Angeles, CA 90064
32.4 miles
Oasis Builders is a trusted ADU contractor serving Greater Los Angeles, specializing in detached ADUs, attached ADUs, and garage conversions. Costs range from $100K–$300K, with timelines of 6–12 months. Full-service: permits, blueprints & turnkey construction.
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Premium ADU
5161 Lankershim Boulevard, North Hollywood, CA 91601
35.9 miles
Premium ADU is a Los Angeles ADU specialist offering design, permitting, and construction of detached ADUs, garage conversions, and JADUs. Operating since 2021 with an in-house team, projects typically complete in 6–12 months.
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R Remodeling
6745 Washington Avenue, Whittier, CA 90601
13.2 miles
R Remodeling is a trusted ADU contractor in Whittier, specializing in accessory dwelling units for added living space or rental income. Experienced in detached ADUs, they manage projects from consultation to completion with minimal property disruption.
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Lux Construction Group
10850 Wilshire Boulevard, Los Angeles, CA 90024
33.3 miles
Are you looking for the best ADU Contractor in Los Angeles? Having 20+ years of experience, Lux Dev LA offers the most affordable ADU Construction & design services. Let us design and build your new ADU project today. Contact us for a FREE quote!
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Huntington Beach Pro ADU Builder
7772 Warner Avenue, Huntington Beach, CA 92647
6.4 miles
Huntington Beach Pro ADU Builder specializes in ADU construction, garage conversions, and detached ADUs. With 20 years of experience and 500+ projects, they offer full design-build services, permit handling, energy-efficient features, and transparent pricing.
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ADU Conversion
Los Angeles, CA
25.2 miles
ADU Conversion is a California-based ADU contractor specializing in detached ADUs, garage conversions, Junior ADUs, and attached units. They manage design, permitting, and construction, ensuring compliance with California ADU laws for homeowners seeking rental income or multigenerational housing.
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Pasadena Master ADU Builder
930 East Colorado Boulevard, Pasadena, CA 91106
28 miles
Pasadena Master ADU Builder is a top ADU contractor in San Gabriel Valley, offering detached ADUs, garage conversions, and JADUs. With 20+ years experience, 150+ projects, and 98% satisfaction, they deliver compliant, high-quality builds boosting property value by 20–30%.
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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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CCS Inc
16906 Burbank Boulevard, Los Angeles, CA 91316
34.9 miles
CCS Inc (CSLB #B1047699) is a licensed LA general contractor since 1984 specializing in ADU construction, garage conversions, and room additions. They manage design, permitting, and build, with ADUs generating up to $3,500/month rental income.
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ADU by Kn Remodeling
19709 Ventura Boulevard, Woodland Hills, CA 91364
44.2 miles
KN Remodeling is a certified ADU contractor serving Los Angeles, Woodland Hills, Simi Valley & Thousand Oaks. Specializing in detached ADUs, attached ADUs & garage conversions, they handle design, permits & construction with 100+ ADU plans completed.
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Orange Innovation
4949 Bilmoor Avenue, Tarzana, CA 91356
42.5 miles
Orange Innovation Inc is an ADU builder offering full-service design, engineering, and construction. Specializing in detached ADUs, granny flats, and in-law suites, they manage projects from concept to completion with a focus on budget and timeline.
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Ofir Construction
20641 Schoolcraft Street, Winnetka, CA 91306
44.9 miles
Ofir Construction Inc. is a Los Angeles ADU contractor with nearly 20 years of experience. They specialize in ADU builds, garage conversions, and in-law suites, managing permits, planning, and construction while following California building codes.
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MDM General Contractors
1236 North Fairfax Avenue, Los Angeles, CA 90046
31 miles
MDM General Contractors offers full-service ADU construction in San Bernardino, including garage conversions, granny flats & detached ADUs. Licensed & insured, they handle design, permits, and build from start to finish.
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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.