The ADU Pro® is a licensed ADU contractor in Chino, CA, serving Fontana and Southern California. Specializing exclusively in ADU construction, they offer detached ADUs, garage conversions, and granny flats with a lifetime transferable warranty.
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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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LADU is a full-service ADU builder in Los Angeles managing design, permits, and construction end-to-end. Serving LA, Orange, San Diego & more counties, they offer custom and prefab ADUs with transparent pricing and free on-site evaluations.
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Trusted ADU builder in Los Angeles County specializing in granny flats, in-law suites & garage conversions. Boost property value, earn rental income & add living space with expert, code-compliant ADU construction.
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A1 ADU Contractor is Sherman Oaks' trusted ADU builder serving LA County. Specializing in garage conversions, detached ADUs & in-law suites, they handle permits, design & construction. Projects cost $50K–$100K, taking 3–6 months.
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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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Landmark Building Inc is a Los Feliz-based general contractor serving Los Angeles neighborhoods including Hollywood Hills, Silverlake & Echo Park. They offer residential & light commercial remodeling, ADUs, garage conversions & free estimates.
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New Birth Builders believes that a room addition or Garage Conversion is a great way to increase your home’s value and this new space can be used in a variety of ways. For most homeowners adding a room is less cost efficient and stressful than having to sell their home and move to a bigger home.
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ADUs are secondary units built on existing lots. ORR Construction builds detached ADUs, garage conversions, JADUs & in-law suites in California. Costs range $50–$300/sq ft. California laws like SB 897 simplify the permitting process.
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Avica Construction & Development Inc is a licensed LA-based ADU contractor building detached ADUs, garage conversions, attached ADUs & JADUs across Los Angeles, Orange County & San Bernardino County, managing design, permits & construction.
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Baumeister Construction offers full-service ADU construction in Carson, CA, including garage conversions, JADUs & detached units. 20+ years experience, woman-led, covering design, permitting & sustainable builds.
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Kitchenfer is a residential remodeling contractor specializing in kitchen renovation and home improvement. They may also support ADU projects, garage conversions, and in-law suites. Contact them to confirm services and licensing.
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Considering an ADU in California? Sea Pointe Design & Remodel helps homeowners plan and build accessory dwelling units, including garage conversions, granny flats, and backyard cottages, handling permits, design, and construction.
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California ADU Center INC specializes in ADU planning, design, and construction across California. Services include detached ADUs, garage conversions, JADUs, granny flats, and in-law suites. They manage permitting and navigate California's ADU regulations for homeowners.
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Eric Go Build (EG'S Built Construction) specializes in ADU construction, offering custom granny flats, in-law suites & backyard cottages. They provide tailored designs, quality materials & timely delivery to boost property value.
read moreSouth Pasadena, California is one of the most historically rich cities in the San Gabriel Valley, known for its Craftsman bungalows, Victorian homes, and Spanish Colonial Revival architecture. This unique character means that ADU contractors working in South Pasadena must be especially mindful of design compatibility and local historic preservation guidelines. Building an Accessory Dwelling Unit here requires a contractor who understands not just state ADU law, but also the specific aesthetic and regulatory expectations of this tight-knit 3.4-square-mile city.
Like all California cities, South Pasadena must comply with California state ADU law (AB 68, AB 881, SB 13), which has significantly streamlined the permitting process statewide. However, the city still enforces its own local standards within the framework allowed by state law. Key regulations that experienced ADU contractors in South Pasadena must navigate include:
Skilled ADU contractors in South Pasadena offer a range of construction options tailored to the city's diverse housing stock. Given the prevalence of older homes with detached garages, garage conversions are among the most popular ADU projects in the area. Other common ADU types include:
Hiring a contractor with direct experience in South Pasadena is a significant advantage. Local ADU contractors are familiar with the city's Building and Safety Division, understand the permit submission process, and have established relationships with local inspectors. They also understand how to design ADUs that complement the city's historic neighborhoods, reducing the risk of design review delays.
Whether you're looking to create a rental income unit, multigenerational housing, or a home office, working with a qualified ADU contractor in South Pasadena ensures your project meets all local and state requirements while adding lasting value to your property.