ADU Contractors near San Marino, CA
The ADU Builder Inc
3639 Atlantic Avenue, Long Beach, CA 90807
22.1 miles
Los Angeles ADU contractor The ADU Builder offers 10+ years of experience in ADU construction, garage conversions, JADUs, custom homes & remodels. They guide clients through design, permits, financing & building with quality craftsmanship.
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K&S Design Build
11115 Aqua Vista Street, Los Angeles, CA 9160
15.1 miles
K&S Design Build specializes in ADU construction and garage conversions, offering full design-build services from concept to completion. They handle permits, city regulations, and create granny flats, in-law suites, backyard cottages, and rental units.
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ADU Homes, Inc.
245 East 3rd Street, Long Beach, CA 90802
20.3 miles
ADU Homes is a full-service ADU contractor in Los Angeles & Orange County offering design-build solutions. They handle design, permitting & construction with fixed pricing. Options include studios, 1-3 bed units & carriage units.
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Live Well Remodeling & Construction
14429 Ventura Boulevard, Sherman Oaks, CA 91423
19.1 miles
A1 ADU Contractor
13701 Riverside Drive #200, Sherman Oaks, CA 91423
17.4 miles
A1 ADU Contractor specializes in garage conversions and custom ADU construction throughout Los Angeles and the San Fernando Valley. With over 15 years of experience, our team provides complete design, permitting, and construction services to transform underutilized spaces into beautiful, functional living areas. Whether you're creating a rental unit, guest house, home office, or multi-family dwelling, we deliver high-quality craftsmanship and personalized solutions tailored to your needs.
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Kol & Co
23431 Blue Bird Dr, Lake Forest, CA 92630
41.5 miles
Kol & Co. is an ADU contractor serving Orange County, West LA & North San Diego. With 15+ years in design-build, they handle detached ADUs, garage conversions, JADUs & more—managing permits, design, and construction under one roof.
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Xavier Design Group
11595 Autumn Sage Avenue, Temecula, CA 91752
34 miles
An accessory dwelling unit (ADU) is a secondary home on a single-family lot with kitchen, bath, and sleeping space. Xavier Design Group helps Southern California homeowners build ADUs with trusted contractors and transparent pricing.
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Reef Builders Inc
6320 Topanga Cyn. Blvd, Woodland Hills, CA 91367
28.5 miles
Reef Builders Inc is a Los Angeles ADU contractor founded in 2012, specializing in detached ADUs, garage conversions, JADUs & attached units. They manage permits, design, and full construction for homeowners seeking rental income or extra living space.
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ADUXprt IE General Builders
4534 Carter Court, Chino, CA 91710
25.5 miles
Our Expert Team offers dependable expert services on short notice because of our extensive network of employees and sub-contractors located throughout California. Our teams of respectable employees are always willing to help accommodate our customer’s needs, by going the extra mile, especially when it comes to meeting those critical deadlines.
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Royalty Builders
20812 Ventura Boulevard, Woodland Hills, CA 91364
28.6 miles
Royalty Builders is a full-service ADU builder in Los Angeles offering in-house design, engineering & construction. They provide competitive pricing, permit management & turnkey delivery for detached ADUs from 500–750 SF.
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The ADU Company
504 East Navilla Place, Covina, CA 91723
13.7 miles
The ADU Company, a licensed ADU contractor in Covina, CA, serves greater Los Angeles with expert accessory dwelling unit design and construction, including garage conversions, detached ADUs, JADUs, home additions, remodels, and more.
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United Builders Development, Inc
25350 Magic Mountain Parkway, Santa Clarita, CA 91355
33.7 miles
Building an ADU boosts property value, generates rental income, and offers flexible living space. United Builders, a licensed ADU contractor, delivers expert design-build solutions, garage conversions, and custom ADUs on time and within budget.
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Motif Architecture
30211 Avenida De Los Banderas #200, Rancho Santa Margarita, CA 92688
44.6 miles
Motif Architecture offers ADU, JADU, and garage conversion design services in Orange County, CA. Their five-phase process covers space planning, permitting, and construction. Projects include backyard cottages and garage-to-ADU conversions in Costa Mesa and Irvine.
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ADU Builders CA
6464 Sunset Boulevard, Los Angeles, CA 90028
12.6 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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Flip It Homes Inc.
20501 Ventura Boulevard, Woodland Hills, CA 91364
26.9 miles
Flip It Homes Inc. is a Southern California ADU builder with 10+ years of experience in garage conversions, new construction ADUs, and home renovations across Los Angeles, San Fernando Valley, and surrounding communities.
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Other cities in California
What you need to know
Building ADUs in San Marino: Navigating a Prestigious and Historically Conscious City
San Marino, California, is one of the most affluent and architecturally distinctive cities in Los Angeles County. Known for its grand estates, tree-lined streets, and strict preservation of its upscale residential character, San Marino presents a unique environment for ADU contractors. The city's strong emphasis on architectural harmony and neighborhood aesthetics means that building an Accessory Dwelling Unit (ADU) in San Marino requires careful planning, experienced professionals, and a deep understanding of local regulations.
San Marino ADU Regulations and Zoning Requirements
San Marino follows California state ADU law, which mandates that cities allow ADUs on single-family residential lots. However, the city enforces its own design standards to ensure that new ADUs blend seamlessly with the existing architectural character of the neighborhood. ADU contractors in San Marino must be well-versed in these local requirements, which may include:
- Setback requirements that align with San Marino's municipal code
- Height restrictions typically limiting detached ADUs to no more than 16 feet
- Design guidelines requiring ADUs to match the primary residence in materials, colors, and architectural style
- Maximum ADU size limits consistent with California state law (up to 1,200 square feet for detached units)
- Owner-occupancy considerations and rental regulations specific to the city
Why Hiring a Local ADU Contractor in San Marino Matters
Working with an experienced ADU contractor familiar with San Marino is essential. The city's Planning and Building Department has specific review processes, and permit approvals can be more detailed compared to neighboring cities. A knowledgeable contractor will help homeowners navigate the ADU permit process in San Marino, prepare accurate architectural drawings, and ensure full compliance with both state and local codes. This reduces costly delays and ensures your project moves forward efficiently.
Types of ADUs Commonly Built in San Marino
Given the large lot sizes typical of San Marino properties, homeowners have several ADU options available to them:
- Detached ADUs: Standalone structures built in the backyard, ideal for guest houses or rental units
- Attached ADUs: Units added to the existing home structure, such as a side addition
- Garage Conversions: Converting an existing detached garage into a livable ADU space
- Junior ADUs (JADUs): Units up to 500 square feet created within the existing home footprint
Maximize Your San Marino Property Value with a Quality ADU
Adding an ADU to your San Marino property is a smart investment. With median home values among the highest in Southern California, a well-designed ADU can significantly increase property value and generate rental income. Professional ADU contractors in San Marino understand how to deliver high-quality construction that meets the city's elevated standards while maximizing your return on investment. Contact a qualified local ADU contractor today to explore your options and begin the planning process.