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Architectural Santa Monica ADU Design and Build
We build luxury coastal accessory homes and detached guest suites in Santa Monica. Our team manages Coastal Zone permits, architectural design, and construction.
About Our Team
Architectural Santa Monica ADU Construction
Building a modern santa monica adu delivers exceptional long-term rental appreciation and enhances family living flexibility. Santa Monica represents one of Southern California's most desirable coastal communities. Consequently, high rental demand from creative professionals and executives produces strong monthly revenue. Our full-service architectural design and construction team coordinates every project detail from initial coastal feasibility through final occupancy clearance.
Furthermore, we navigate Santa Monica Planning Division guidelines and Coastal Commission exemptions with proven expertise. Because our master craftspeople manage all framing, electrical, and finish trades in-house, we maintain exacting quality standards. Therefore, your secondary dwelling reflects high-end coastal architecture while meeting all state and municipal energy codes.
Learn About Our Team
What We Do
ADU Services from a Los Angeles Design-Build Team
From feasibility through final inspection, one ADU builder handles your full scope so timelines and costs stay clear.
Plan your project with dedicated ADU builders Los Angeles homeowners trust for faster approvals, buildability, and rental value.
ADU Plans & Design
Our team acts as the expert ADU contractor Los Angeles cities work with daily, handling all submissions and correction responses.
ADU Permits & Approvals
Build ADU space with one accountable team managing construction quality, schedule, and trade coordination from start to final inspection.
Detached ADU Construction
Your Dedicated ADU Contractor in Santa Monica
We are not a generalist builder that occasionally takes on backyard units. As a dedicated ADU contractor in Santa Monica, our crews construct secondary units full-time. This focus guarantees consistent craftsmanship, predictable timelines, and a single point of contact from first concept to final inspection.
- Dedicated project manager assigned at contract signing
- Weekly written progress updates throughout the build
- Self-performed core trades, with no hand-offs to unknown crews
- All work inspected by the city at every required phase
- Certificate of occupancy obtained before project closeout
- 1-year workmanship warranty on all completed construction
Build Process
Our Process as Your ADU Contractor in Santa Monica
From site prep to the final details, we manage every stage of your detached ADU construction under a single contract.
Site Prep
We grade the site, dig utility trenches, run primary sewer and electrical lines, and pour the concrete foundation.
Framing & Envelope
We frame the walls and roof structure, install energy-efficient windows, and apply weatherproofing and roofing.
Rough-Ins
Our in-house trades install plumbing lines, electrical wiring, and the high-efficiency HVAC system.
Finishes
We insulate, install drywall, paint, fit cabinetry, lay flooring, mount fixtures, and complete the final municipal inspection.
Santa Monica Municipal Planning and Coastal Permitting
What Santa Monica homeowners need to know before starting an ADU project.
Coastal Zone and CDP Exemptions
Santa Monica Reach Codes
Architectural Review Guidelines
Utility Trenching and Upgrades
ADUs Starting From $150,000
Our fixed-price contracts cover custom architectural design, coastal permit processing, Santa Monica Reach Code compliance, and high-end construction.
- Design, architecture and engineering included
- Permitting and city approval management included
- Full construction and site work included
- Final inspection and certificate of occupancy included
* All-inclusive pricing. Final cost depends on scope and site conditions.
ADU Styles & Models Built in Santa Monica
Explore our most requested detached and conversion floor plans, engineered for California Title 24 compliance and maximum rental yield.
Modern Detached Studio ADU
High-efficiency detached studio with full kitchen, walk-in shower, and private patio access, optimized for Santa Monica lots.
One-Bedroom Backyard Suite
Spacious one-bedroom with separate living room, in-unit laundry, and private exterior entrance tailored for Santa Monica.
Two-Bedroom Family ADU
Dual-suite architectural ADU ideal for multigenerational families or premium long-term rental income in Santa Monica.
Get a Free Estimate for Your Santa Monica Property
We will assess your property, review your Santa Monica zoning, and provide a detailed cost and timeline estimate, at no charge, with no obligation.
- Santa Monica-specific feasibility review for your lot
- Realistic all-inclusive cost range for your ADU type
- Timeline from design through certificate of occupancy
- Response within 1 business day
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Request Your Free Estimate
We will be in touch within 1 business day.
Common Questions
ADU Questions for Santa Monica Homeowners
How much does building an ADU in Santa Monica cost?
How long does Santa Monica take to issue ADU permits?
Does Santa Monica require all-electric appliances for ADUs?
Can I build a two-story ADU in Santa Monica?
Can I rent my Santa Monica ADU on Airbnb?
How much monthly rent can a Santa Monica ADU generate?
Do I need a Coastal Development Permit in Santa Monica?
Do I need to live on the property to rent my Santa Monica ADU?
Need help planning your ADU project?
Talk with an ADU specialistWhy ADU Build LA
ADU Expertise You Can Count On
We have built ADUs across Santa Monica and the surrounding area, navigating local zoning, permit processes, and site conditions that generalist contractors do not know.
Santa Monica-Specific ADU Services
Detailed local guides covering permits, pricing, and timelines specific to Santa Monica.
ADU Projects in Santa Monica
Real completed projects from our team in Santa Monica, see the challenge, solution, and results.
Planning an ADU in Santa Monica?
Design your ADU in our interactive configurator, choose type, size, style, and finishes. Get a matching floor plan and budget estimate before you talk to anyone.
Build Your ADU in Santa Monica
Join over 200 Los Angeles homeowners who have added rental income and lasting property value with an ADU from ADU Build LA. Your free estimate is the first step.
Learn about our process as a full-service ADU design-build company serving all of Los Angeles County.