ADU Contractors near Monrovia, CA
ADU Builders CA
6464 Sunset Boulevard, Los Angeles, CA 90028
20 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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Martins Construction Corp
1666 Courtney Ave., Los Angeles, CA 90046
16.6 miles
California's 2020 ADU laws allow two ADUs on single-family lots, reduced setbacks, larger units up to 800 sq ft, no owner-occupancy rules until 2025, faster approvals, and expanded parking exemptions statewide.
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Supreme Remodeling Inc.
5000 Van Nuys Boulevard, Van Nuys, CA 91403
26.1 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
Molinar Design
1132 Spence Street, Los Angeles, CA 90023
19.9 miles
Molinar Design is a licensed design-build firm in Los Angeles offering ADUs, garage conversions, custom homes, remodeling, commercial architecture, permit packages, and fire & water damage restoration across Los Angeles County.
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ORO Coast Builders
7129 Forest Hills Road, Los Angeles, CA 91307
37.2 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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Albera Construction
4001 Inglewood Ave. #101-219, Redondo Beach, CA 90278
28.3 miles
Albera Construction builds custom ADUs in Los Angeles County, including detached units, garage conversions, and JADUs. Licensed contractor #1079656, serving South Bay, Beach Cities, and Greater LA. Full project management from design to permits.read more
ADU Professionals
8175 Limonite Avenue, Corona, CA 92509
33.4 miles
ADU Professionals, Corona CA, builds custom Accessory Dwelling Units since 1999. Offering floor plans from 500–1,200 sq ft, including detached ADUs, granny flats & in-law suites for rental income or multigenerational living.
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RIA Group Construction
26632 Towne Centre Dr # 300, Foothill Ranch, CA 92610
38.6 miles
RIA Group Construction (CA Lic. #1143899) is a full-service design-build contractor in Orange County, CA. Specializing in home renovations, new builds, ADUs, kitchen & bathroom remodeling, and pool construction.
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Esco Builders Inc
Downey, CA 90242
18.9 miles
ADUscale
528 West Hampshire Avenue, Anaheim, CA 92805
25.5 miles
ADUscale is an independent ADU advisory service offering feasibility assessments, contractor verification, escrow-based payment protection, and construction oversight. Fixed-fee, conflict-free guidance for homeowners planning detached ADUs, garage... read more
Snow Construction
6647 Orion Avenue, Los Angeles, CA 91406
27.5 miles
Snow Construction is an LA-based ADU and granny flat builder offering planning, design, and construction services. They help homeowners add secondary units, navigate permits, and understand parking rules under California's 2017 ADU legislation.read more
Romano Builders
14407 Gilmore Street, Van Nuys, CA 91401
26 miles
Romano Builders specializes in ADU construction in Los Angeles, offering detached, attached, garage conversion, and junior ADUs. Costs range $300–$600/sq ft, with rental income potential of $1,500–$4,000+/month.
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J. P Homes
780 North Euclid Street, Anaheim, CA 92801
22.8 miles
JP Homes is a licensed ADU contractor in Southern California, serving Los Angeles, Orange County, Riverside & San Bernardino. They offer full-service ADU construction including detached units, garage conversions & more.
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Ohayon Construction
Los Angeles, CA 90012
16.3 miles
Ohayon Construction is a licensed Los Angeles ADU contractor since 2008. They build detached ADUs, garage conversions, attached ADUs & JADUs. Serving Beverly Hills, Santa Monica & more. Free consultation available.
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MTZ Contractors
3515 Atlantic Avenue, Long Beach, CA 90807
27 miles
Looking for the best ADU construction? Choose Mtz Contractors Inc to completely transform your property, known for constructing excellent ADUs in Long Beach CA. We create and build Accessory Dwelling Units that meet your precise requirements for q... read more
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What you need to know
ADU Contractors in Monrovia, CA: Building in the Shadow of the San Gabriel Mountains
Monrovia, California, nestled at the base of the San Gabriel Mountains in Los Angeles County, is a charming city known for its historic Old Town district, tree-lined streets, and strong sense of community. As housing demand continues to surge across the greater Los Angeles area, ADU contractors in Monrovia are playing a vital role in helping homeowners maximize their property potential. Whether you're looking to add a detached backyard cottage, a garage conversion, or an attached unit, working with experienced Monrovia ADU contractors ensures your project meets all local and state requirements.
Understanding ADU Regulations in Monrovia, California
ADU construction in Monrovia is governed by a combination of California state ADU laws and the City of Monrovia's local zoning ordinances. The city falls under Los Angeles County guidelines in some respects but maintains its own Development Code. Key regulations that qualified ADU builders in Monrovia must navigate include:
- Zoning requirements: ADUs are generally permitted in single-family and multi-family residential zones throughout Monrovia.
- Size limitations: Detached ADUs can be up to 1,200 square feet, while attached ADUs are typically limited to 50% of the primary dwelling's square footage.
- Setback rules: A minimum 4-foot rear and side setback is required for most new detached ADUs, in compliance with California state law.
- Height restrictions: Detached ADUs are generally limited to 16 feet in height, though this can vary based on proximity to the main structure.
- Owner-occupancy: As of 2020, California law removed owner-occupancy requirements through 2025, giving Monrovia homeowners more flexibility.
- Parking: ADUs within half a mile of public transit may be exempt from additional parking requirements.
Why Hire a Local ADU Contractor in Monrovia?
Hiring a local ADU contractor familiar with Monrovia's permitting process can save you significant time and money. The City of Monrovia's Community Development Department oversees building permits, and experienced contractors understand how to prepare complete permit applications, coordinate inspections, and address any plan check corrections efficiently. Given Monrovia's hillside terrain near the foothills, some properties may also require additional geotechnical assessments or grading permits, making local expertise even more valuable.
Types of ADUs Commonly Built in Monrovia
- Detached ADUs: Standalone backyard units ideal for rental income or multigenerational living.
- Garage Conversions: Converting existing garages into livable space is a popular and cost-effective option in Monrovia's established neighborhoods.
- Junior ADUs (JADUs): Units up to 500 square feet created within the existing footprint of a single-family home.
- Attached ADUs: Additions connected to the primary residence, offering seamless integration.
With Monrovia's strong property values and proximity to major employment centers like Pasadena and the San Gabriel Valley, investing in an ADU is a smart financial decision. Connect with a trusted ADU contractor in Monrovia, CA today to explore your options and begin the permitting process.