Detached ADU Builder in Torrance
Trusted by Homeowners
Across Southern California
Custom Spaces.
Built to Belong.
Thoughtful design. Lasting craftsmanship.
SE Builders designs and constructs accessory dwelling units in Torrance from feasibility and permitting through construction and final inspection. Whether you want rental income, a guest suite, or more livable space, our team handles the full process so your backyard project moves forward with confidence.
Custom detached ADUs, attached units, and garage conversions built for Torrance homeowners.
Permits
Permit-ready design packages handled in-house
Quality
Built with precision and lasting craftsmanship
Scope
Detached, attached, and garage conversions
SE Builders designs and constructs accessory dwelling units in Torrance from feasibility and permitting through construction and final inspection. Whether you want rental income, a guest suite, or more livable space, our team handles the full process so your backyard project moves forward with confidence.
Spaces We Build for Better Living
Detached ADUs
Standalone backyard living spaces built for family, guests, rental use, or flexible property needs.
Garage Conversions
Convert an existing garage into a livable, code-conscious space with proper utilities, finishes, and layout.
Attached ADUs
Additional living space connected to the main home while maintaining comfort, function, and privacy.
Guest Suites
Comfortable private spaces for family members, visitors, or multigenerational living.
Home Office & Flex Spaces
Functional spaces designed for remote work, creative use, hobbies, or everyday flexibility.
Outdoor Living Upgrades
Accessory structures and exterior improvements that make the property more usable and connected.
How We Build Your Torrance ADU
A clear, coordinated process takes your detached ADU from first idea to move-in ready, with permitting handled every step of the way.
Built for Southern California
Locally experienced. Detail-focused. Built to last.
Project Goals & Plan Review
We review your goals, site, and budget to confirm what's feasible for your Torrance property.
Pre-Construction Coordination
We prepare permit-ready design packages and coordinate approvals before any work begins.
Quality Construction Execution
Our team builds with precision and care, keeping the project on a realistic schedule.
Final Details & Project Completion
We complete finishes and final inspection so your ADU is ready for occupancy.
Quality & Long-Term Value
An ADU is one of the most impactful ways to add value and livable space to a California property. We build units meant to last, with careful craftsmanship and durable finishes throughout.
Ready to Build Your Torrance ADU?
Turn your underused backyard or garage into a valuable, permitted living space. Contact SE Builders to plan, design, and build your detached ADU.
Get a QuoteFAQ
Frequently Asked Questions
SE Builders builds detached ADUs, attached ADUs, garage conversions, guest suites, home office and flex spaces, and outdoor living upgrades for homeowners across Southern California.
Yes. We handle everything from feasibility and permitting through construction and final inspection, including permit-ready design packages for your project.
SE Builders serves ADU construction and garage conversion projects across Southern California, including Los Angeles, Orange, Riverside, San Bernardino, and Ventura counties.
Timelines vary based on scope, size, permitting, and site conditions. Our team reviews your specific project and plans to provide a realistic schedule before construction begins.
Still have questions?
Talk to Our TeamWant to Know More About Our Services?
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Learn MoreOur Work
Look at Some of Our ADU Construction Projects
Loma Custom Accessory Dwelling Unit (ADU)
Accessory Dwelling Units (ADUs)
Click to View This Amazing Project
Monrovia Multi-Unit ADU Conversion
Accessory Dwelling Units (ADUs)
Click to View This Amazing Project
Lerona Custom ADU Renovation
Accessory Dwelling Units (ADUs)
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Fullerton Custom Accessory Dwelling Unit (ADU)
Accessory Dwelling Units (ADUs)
Click to View This Amazing ProjectService Areas
We Also Serve These Areas
Los Angeles County
Alhambra, Arcadia, Atwood, Avalon, Azusa, Bellflower, Beverly Hills, Burbank, Calabasas, Carson, Cerritos, Claremont, Commerce, Compton, Covina, Culver City, Downey, Duarte, East Los Angeles, El Monte, El Segundo, Gardena, Glendale, Glendora, Hawthorne, Huntington Park, Inglewood, La Mirada, La Puente, Lakewood, Lancaster, Long Beach, Los Angeles, Malibu, Manhattan Beach, Marina Del Rey, Montebello, Monterey Park, Norwalk, Palmdale, Pasadena, Pico Rivera, Rancho Palos Verdes, Redondo Beach, San Dimas, San Gabriel, Santa Clarita, Santa Fe Springs, Santa Monica, South Gate, West Covina, West Hollywood, Whittier
Orange County
Aliso Viejo, Anaheim, Brea, Buena Park, Costa Mesa, Cypress, Dana Point, Fountain Valley, Fullerton, Garden Grove, Huntington Beach, Irvine, La Habra, La Palma, Ladera Ranch, Laguna Beach, Laguna Hills, Laguna Niguel, Lake Forest, Los Alamitos, Mission Viejo, Newport Beach, Orange, Placentia, Rancho Santa Margarita, San Clemente, San Juan Capistrano, Santa Ana, Seal Beach, Stanton, Tustin, Villa Park, Westminster, Yorba Linda
Riverside County
Banning, Beaumont, Blythe, Cathedral City, Coachella, Corona, Desert Hot Springs, Eastvale, Hemet, Indio, Jurupa Valley, La Quinta, Lake Elsinore, Menifee, Moreno Valley, Murrieta, Norco, Palm Desert, Palm Springs, Perris, Rancho Mirage, Riverside, San Jacinto, Temecula, Wildomar
San Bernardino County
Adelanto, Apple Valley, Barstow, Big Bear Lake, Chino, Chino Hills, Colton, Crestline, Fontana, Hesperia, Highland, Joshua Tree, Lake Arrowhead, Loma Linda, Montclair, Ontario, Rancho Cucamonga, Redlands, Rialto, San Bernardino, Twentynine Palms, Upland, Victorville, Yucaipa, Yucca Valley
Ventura County
Camarillo, Fillmore, Moorpark, Oak Park, Oak View, Ojai, Oxnard, Piru, Port Hueneme, Santa Paula, Saticoy, Simi Valley, Somis, Thousand Oaks, Ventura