Michael Matthews Studio

Baxter Street, Los Angeles, CA 90039 31.6 miles

Michael Matthews Studio is an architecture firm in Los Angeles specializing in custom homes, ADUs, SB9 units, high-end renovations, and modern design. We believe architecture is a catalyst of change for individuals, communities, and the planet.

Giani Construction ADU & Remodel

2674 East Main Street, Ventura, CA 93003 26 miles

Giani Construction ADU & Remodel is a California-based contractor specializing in ADUs, garage conversions, JADUs, granny flats, and home remodeling, managing design, permitting, and construction from start to finish.

Doobek Builders

5308 Derry Avenue, Los Angeles, CA 91301 19.8 miles

Doobek Builders offers home remodeling, large additions, and ADU construction. Services include garage conversions, interior conversions, additions, and ground-up ADU builds—ideal for granny flats, in-law suites, or backyard cottages.

The Sterling-Watson Collective

1441 Huntington Dr, 1900, South Pasadena, CA 91030 35.8 miles

Licensed Eco-Friendly Luxury Builds

Sterling-Watson Collective is a full-service ADU contractor in Los Angeles offering design, permitting, structural engineering & construction management for accessory dwelling units, helping homeowners add rental units, guest suites & more.

Iron Man Construction

930 North Doheny Drive, Los Angeles, CA 90069 24 miles

CCS Inc.

5535 Balboa Boulevard, Encino, CA 91316 15.8 miles

Licensed

CCS Inc. offers ADU construction, garage conversions, remodeling & permit services in Long Beach, CA. Costs range from $100K–$400K+, with timelines of 4–14 months. Free consultations available for eligible residential properties.

ADUs BY JACK

Burbank, CA 91505 23.2 miles

30 years in business

ADUs BY JACK is a full-service ADU contractor in Greater Los Angeles, led by Jack Topalian with 30+ years experience. Specializing in detached ADUs, garage conversions, JADUs, and granny flats across Burbank, Encino, Tujunga & more.

Addition Builders La

1352 Palms Blvd, Los Angeles, CA 90291 22.1 miles

Licensed Prefab Specialist

Addition Builders LA is a full-service ADU contractor in Los Angeles offering custom ADUs, prefab units, and garage conversions. Licensed, bonded, and insured, they manage design to construction, completing projects in as little as nine months with transparent pricing.

Thousand Oaks ADU Builders

5155 Clareton Drive, Agoura Hills, CA 91301 7.9 miles

Thousand Oaks ADU Builders offers expert ADU design, permitting, garage conversions, and detached or attached ADU construction. Serving Thousand Oaks, CA, they handle floor plans, city approvals, and code-compliant builds up to 1,000 sq ft.

Revival Homes

1150 South Olive Street, Los Angeles, CA 90015 32 miles

Revival Homes is a California ADU project manager handling planning, financing, design, permitting, and construction. They build detached ADUs, garage conversions, JADUs, and more, with costs ranging from $100K to $300K.

Productive Home Renovation Inc

7241 Lankershim Boulevard, North Hollywood, CA 91605 22.3 miles

Turnkey Solutions

Productive Home Renovation Inc offers full-service room additions, including porches, upper stories & interior expansions. They handle permits, planning & construction, ensuring code compliance & durable results tailored to each homeowner's needs.

Next Level ADU Builders

8520 Florence Avenue, Downey, CA 90240 42.1 miles

27 years in business

Next Level ADU Builders, serving Los Angeles, Riverside & Pico Rivera since 1997, specializes in ADU construction—detached units, granny flats & casitas—plus HVAC, remodeling & roofing, with financing options available.

YOR Construction

12135 Miranda Street, Valley Village, CA 91607 20.9 miles

An ADU (accessory dwelling unit) is a secondary home on a residential lot. Garage conversion ADUs are cost-effective options. YOR Construction, an LA-based ADU contractor, specializes in garage conversions tailored to homeowner needs.

Gather ADU

19849 Nordhoff Street, Los Angeles, CA 91324 12.8 miles

Licensed 10 years in business

Gather ADU is a Los Angeles-based ADU specialist with 10+ years of experience and 127+ completed projects. Services include feasibility analysis, permits, financing, and construction for detached ADUs, garage conversions, attached ADUs, and JADUs across LA County.

Legacy Builders LA

Los Angeles, CA 32.5 miles

20 years in business

Legacy Builders LA is a trusted ADU contractor in Los Angeles with 20+ years of experience. They offer ground-up ADUs, JADUs, garage conversions & additions, delivering custom, high-quality accessory dwelling units tailored to each homeowner.

Other cities in California

What you need to know

ADU Contractors in Simi Valley: Building in a Master-Planned Community

Simi Valley, nestled in Ventura County at the eastern end of the Simi Valley corridor, is known for its master-planned neighborhoods, suburban charm, and strong sense of community. As one of the safer and more family-oriented cities in Southern California, Simi Valley has seen a growing demand for Accessory Dwelling Units (ADUs). Homeowners are increasingly turning to experienced ADU contractors in Simi Valley to maximize their property value, create rental income, or house extended family members.

Local Regulations ADU Contractors Must Navigate in Simi Valley

ADU contractors working in Simi Valley must comply with both California state ADU laws and the City of Simi Valley's local development standards. The city follows state law under AB 68, SB 13, and AB 3182, which streamlined ADU approvals across California. However, Simi Valley has its own specific zoning ordinances that contractors must carefully follow:

Types of ADUs Commonly Built in Simi Valley

Given the city's predominantly single-family residential neighborhoods, ADU contractors in Simi Valley most frequently work on the following types of projects:

Why Hire a Local ADU Contractor in Simi Valley?

Hiring a licensed and experienced ADU contractor familiar with Simi Valley is essential for a smooth permitting and construction process. Local contractors understand the nuances of working with the Simi Valley Community Development Department, which handles building permits and plan checks. They are also familiar with local HOA restrictions that may apply in certain neighborhoods, as well as Ventura County's fire safety requirements, which are particularly relevant given the region's wildfire risk zones.

Whether you're looking to add rental income or create a multigenerational living space, working with a qualified ADU contractor in Simi Valley, CA ensures your project meets all local codes, stays on budget, and is completed efficiently.

ADU Contractors near Simi Valley, CA