ADU Contractors near Glendora, CA
UNI Construction
1142 South Diamond Bar Boulevard, Diamond Bar, CA 91765
9.1 miles
UNI Construction builds detached and attached ADUs, handling site planning, structural engineering, and permit-ready drawings. Options include backyard cottages, granny flats, and in-law suites, all code-compliant and tailored to your property.read more
MyADU4Less
579 West County Line Road, Calimesa, CA 92320
45.2 miles
MyADU4Less is a Southern California ADU builder specializing in prefabricated accessory dwelling units. Offering models from 160–1,200 sq ft, they handle design, permitting, and construction. CalHFA grants up to $40,000 may apply.
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OC Master ADU Construction
809 East Katella Avenue, Orange, CA 92867
23.2 miles
OC Master ADU Construction builds ADUs across Orange County, offering detached units, garage conversions, JADUs & attached additions. Services include design, permitting & full construction management for rental income or family housing.read more
Bourke Construction
30802 South Coast Hwy, Laguna Beach, CA 92651
43.6 miles
Bourke Construction builds custom ADUs in Orange County, including detached units, garage conversions, and JADUs. They manage design, permits, and construction, helping homeowners add rental income, multi-generational living space, or property val... read more
R Remodeling
6745 Washington Avenue, Whittier, CA 90601
17.2 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 disrup... read more
Downey ADU Builders
8607 Imperial Highway, Downey, CA 90242
22.2 miles
Downey ADU Builders offers expert ADU contractor services including detached ADUs, garage conversions, attached ADUs, JADUs, and home additions. Licensed contractors handle permits, design, and construction with 10+ years of experience.
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Ultra-Unit Architectural Studio
1327 Loma Avenue, Long Beach, CA 90804
30.2 miles
Ultra-Unit Architectural Studio, based in Long Beach, CA, offers architecture and construction services for ADUs, residential, multifamily, and commercial projects. Led by Cameron Crockett AIA, LEED, with 25+ years experience. Free initial consult... read more
RODO Development LLC
19720 Ventura Boulevard, Woodland Hills, CA 91364
42.1 miles
RODO Development LLC is a licensed LA-based ADU contractor offering full-service design-build solutions including garage conversions, detached ADUs, attached ADUs, basement conversions & custom designs across Los Angeles and surrounding areas.... read more
Prime Team Builders
147 West Route 66, Glendora, CA 91740
1.5 miles
Prime Team Builders is a general contracting company serving the Inland Empire, including Pomona, Ontario, Riverside & more. They specialize in kitchen remodeling, bathroom remodeling, and residential renovations throughout Southern California... read more
LPI Construction
149 Poinsettia Avenue, Monrovia, CA 91016
8.5 miles
LPI Construction offers custom homes, ADU construction, and solar electric systems. Services cover hillside builds, detached/attached ADUs, garage conversions, and sustainable building practices, managing full project lifecycles from permits to co... read more
ADU Garage Experts
2999 Overland Ave. Suite 103, Los Angeles, CA 90064
33.6 miles
ADU Garage Experts, a Southern California structural engineering firm, specializes in ADU planning and drafting. They offer garage conversions from ~$70/sqft, attached and detached ADUs, helping homeowners add rental income or living space.
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Raudes Construction
18414 Eddy Street, Northridge, CA 91325
40 miles
Raudes Construction builds ADUs including garage conversions, granny flats & detached units. They handle permits, zoning compliance & full construction. Costs range from $50K to $300K+, with timelines of 3–6 months.
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Michael Matthews Studio
Baxter Street, Los Angeles, CA 90039
26.8 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.read more
ADU Custom Homes
1420 East Katella Avenue, Orange, CA 92867
22.4 miles
ADU Custom Homes is a licensed California ADU contractor with 35+ years of experience serving LA, Orange & Riverside counties. They specialize in detached ADUs, garage conversions & additions, managing projects from permits to Certificate ... read more
Aligcus
1841 South San Gabriel Boulevard, San Gabriel, CA 91776
14.4 miles
Aligcus is an experienced ADU contractor specializing in detached ADUs, garage conversions, JADUs, granny flats, in-law suites, and backyard cottages. They guide homeowners through permitting and construction for all accessory dwelling unit projec... read more
Other cities in California
What you need to know
ADU Contractors in Glendora, CA: Building in the Foothills Community
Glendora, nestled at the base of the San Gabriel Mountains in Los Angeles County, is known as the "Pride of the Foothills." This charming city blends suburban character with a strong sense of community, making it an increasingly popular location for homeowners looking to maximize their property's potential. With rising housing demand across the San Gabriel Valley, experienced ADU contractors in Glendora, CA are helping residents add accessory dwelling units to their properties — creating rental income opportunities, multigenerational living spaces, and increased home value.
Understanding Glendora's ADU Regulations
Like all California cities, Glendora must comply with state ADU laws under AB 68, AB 881, and SB 13, which streamlined ADU approvals statewide. However, Glendora also maintains its own local development standards that contractors must navigate carefully. Key regulations include:
- Maximum ADU size: Detached ADUs can be up to 1,200 square feet, while attached ADUs are generally limited to 50% of the primary dwelling's square footage.
- Setback requirements: A minimum 4-foot rear and side yard setback is typically required for new detached ADUs.
- Height limits: Detached ADUs are generally limited to 16 feet in height, though this can vary based on proximity to the main structure.
- Owner-occupancy rules: California state law suspended owner-occupancy requirements for ADUs through January 1, 2025, giving Glendora homeowners added flexibility.
- Parking: In many cases, ADUs do not require additional parking spaces, especially when located near transit corridors.
Types of ADUs Built by Glendora Contractors
Professional ADU builders in Glendora work with a variety of ADU types to suit different lot sizes and homeowner goals. Given Glendora's mix of older ranch-style homes and larger residential lots, there are several popular options:
- Detached ADUs: Standalone structures built in the backyard, ideal for larger Glendora lots.
- Attached ADUs: Units added directly to the existing home, sharing at least one wall.
- Garage Conversions: Many Glendora homes feature detached garages that can be converted into livable ADU space cost-effectively.
- Junior ADUs (JADUs): Units up to 500 square feet created within the existing home's footprint, often from a bedroom or interior space.
Why Hire a Local Glendora ADU Contractor?
Working with a licensed ADU contractor familiar with Glendora's permitting process through the City's Community Development Department is essential. Local contractors understand the city's design standards, fire safety requirements relevant to the foothill fire hazard zones, and how to efficiently submit plans for approval. This local expertise can significantly reduce delays and unexpected costs.
Whether you're looking to house family members, generate rental income, or simply increase your property value, partnering with a knowledgeable Glendora ADU contractor is the smartest first step toward a successful project.