
CSLB Licensed · Lic. #B-991385 · 1.5M+ Sq Ft Built · 100+ Projects Completed
Active California State License Board General Contractor license.
Family-founded and operated — every project receives personal executive attention.
Full cost transparency with live invoice and cost tracking for every project.
Real-time project progress, photos, schedules, and budget reports in one place.
California's updated ADU laws have made it easier than ever to add a high-value dwelling unit to your property. DWD Builders offers a complete turnkey ADU solution — from design and permit acquisition to construction and final inspection — delivering a finished unit that matches your primary home's architectural pedigree. We build detached ADUs, attached ADUs, garage conversions, and JADUs across Los Angeles.
DWD Builders Inc. is your licensed custom adu contractor serving Malibu and the greater Los Angeles area. For a free consultation, call (213) 413-1100 or email estimating@dwdbuilders.com.

Single-story detached ADU with stucco exterior, dark wood accents, and drought-tolerant landscaping — delivered turnkey from permit to final inspection.

Contemporary two-story detached ADU with flat roof, private patio, and full kitchen — generating rental income immediately after CO.
Not a converted garage. Not a kit home. A fully permitted, luxury-finished accessory dwelling unit — built to command top rental income or house the people you love.





Los Angeles, CA · Fully Permitted ADU · In-Unit Laundry · Luxury Finish · DWD Builders GC of Record
Get Your ADU Started →An ADU built to this standard rents faster, commands higher rates, and appreciates with your primary property. DWD handles permits, engineering, and every trade — you sign one contract.

Malibu ADU construction requires coordination with both the City of Malibu Building & Safety Department and the California Coastal Commission. Understanding these requirements early prevents delays and ensures smooth project completion.
Most Malibu properties fall within Very High Fire Hazard Severity Zones, requiring:
Perfect for home offices, art studios, or rental income. Open floor plan with kitchenette, full bathroom, and abundant natural light.
Most common configuration. Separate bedroom, full kitchen, living area, and bathroom — ideal for long-term rentals or extended family.
Maximum flexibility for family use or premium rental income. Two bedrooms, full kitchen, living/dining area, 1–2 bathrooms.
High-end finishes, ocean views, indoor-outdoor flow. Floor-to-ceiling glass, premium appliances, spa-like bathrooms.
All cost ranges are general market estimates for planning and educational purposes only. They are not bids, quotes, or binding price commitments. Actual costs vary significantly based on site conditions, design complexity, and current market pricing. Schedule a free consultation for a detailed estimate.
| ADU Size | Cost Range | Per SF Range |
|---|---|---|
| Studio (400–600 SF) | $200,000–$350,000 | $500–$583/SF |
| 1-Bedroom (600–850 SF) | $300,000–$550,000 | $500–$647/SF |
| 2-Bedroom (900–1,200 SF) | $450,000–$850,000 | $500–$708/SF |
| Luxury Coastal (1,000–1,200 SF) | $700,000–$1,200,000+ | $700–$1,000/SF |
It depends on your property's location within the coastal zone and distance from the ocean. Properties within certain setbacks from the mean high tide line or in designated sensitive habitat areas typically require Coastal Development Permits. The City of Malibu can provide a preliminary determination based on your property address. DWD Builders manages all required Coastal Commission coordination as part of our permitting services.
Typical timeline from design start to Certificate of Occupancy is 12–16 months: design and permitting 4–6 months, City and Coastal Commission review 2–4 months, construction 6–8 months. Timeline varies based on project complexity and any Coastal Commission environmental review.
Most Malibu properties fall within Very High Fire Hazard Severity Zones, requiring Class A fire-rated roofing, ignition-resistant exterior walls (stucco, fiber cement, masonry), ember-resistant vents with 1/8" mesh screening, tempered or multi-pane glazing, non-combustible decking materials, and defensible space compliance. These requirements add approximately 8–12% to base construction costs.
Yes, garage conversions are permitted in Malibu subject to replacement parking requirements, building code compliance for living space, Coastal Commission review in some cases, fire-resistant construction upgrades, and utility connection verification. Garage conversions can be cost-effective compared to ground-up construction.
Malibu has strict short-term rental regulations. As of 2026, ADUs are generally restricted to long-term rentals (30+ days minimum). Short-term rental regulations change periodically — consult with the City of Malibu Planning Department for current requirements.
Return on investment varies based on use. Rental income potential: $3,000–$8,000/month for long-term rentals. Property value increase: typically 40–60% of construction cost added to property value. Most Malibu property owners recoup construction costs through rental income within 8–12 years.
Remote or in person — no commitment required. We review your vision, budget, and timeline together.
We coordinate architects, engineers, and consultants on your behalf to develop construction-ready plans.
Our team manages all city and county permit applications, plan-check responses, and approval coordination.
Weekly video updates, photo reports, and milestone approvals keep you informed throughout the build.
Certificate of Occupancy, full project handover, and a 1-year workmanship warranty on all DWD work.
“DWD Builders is in a Class of its own. Projects currently under construction are of excellent quality and in some regards even exceed our expectations. The city’s building inspectors are impressed with organization of the jobsite and efficiency of each build. I cannot think of a construction firm more deserving of the highest recommendation.”
Vitus Mataré, Principal Architect
Vitus Mataré & Associates, Inc. — Malibu, California
Designing Westside Los Angeles Homes Since 1974
“DWD Builders is in a Class of its own. Projects currently under construction are of excellent quality and in some regards even exceed our expectations. The city's building inspectors are impressed with organization of the jobsite and efficiency of each build. I cannot think of a construction firm more deserving of the highest recommendation.”
From signed contract to final inspection, most ADU projects in LA take 9–14 months. Permit timelines vary by city jurisdiction — Los Angeles City, LADBS, and county areas all differ. We navigate this for you.
A high-quality detached ADU in Los Angeles typically ranges from $300K–$700K depending on size, finishes, and site conditions. We provide detailed cost estimates in pre-construction before any commitment.
Yes. ADUs in California can be rented both short-term (with local permit) and long-term. A well-built ADU in LA typically generates $2,000–$6,000/month in rental income depending on size and location.
A Junior ADU (JADU) is a unit up to 500 sq ft carved out of existing living space in your primary home. It requires a separate entrance but can share a bathroom with the main unit. JADUs are typically the fastest and lowest-cost ADU option.
Yes. We manage all city and county permit applications for your ADU, including building, electrical, mechanical, and plumbing permits. We respond to plan-check corrections and schedule all inspections.
Adding an ADU typically triggers a supplemental tax assessment on the value of the ADU only — not a full reassessment of your existing home. The tax increase is usually modest relative to the rental income and property value gain.
DWD Builders Inc. is a licensed California general contractor specializing in custom adu throughout Malibu and Los Angeles County. We provide CSLB-licensed, fully insured services with transparent open-book budgeting and a live client portal. Contact us at (213) 413-1100 or visit www.dwdbuilders.com for a free consultation.
Look for a California CSLB-licensed general contractor with specific experience in Malibu. DWD Builders Inc. is licensed, bonded, and insured with extensive experience in Malibu, including knowledge of local building departments and permitting processes. Verify any contractor's license at cslb.ca.gov before signing. Contact DWD Builders at (213) 413-1100.
DWD Builders Inc. is a licensed California general contractor specializing in custom adu in Malibu. We serve the entire Los Angeles area from our Encino office at 16255 Ventura Blvd Suite 605. Call (213) 413-1100 or visit https://www.dwdbuilders.com for a free consultation.
When hiring a contractor for custom adu in Malibu, verify their California contractor's license, insurance coverage, local experience, and knowledge of Malibu building department requirements. DWD Builders Inc. is CSLB licensed, fully insured, and has extensive experience throughout Malibu and LA County. Call (213) 413-1100.
Almost all commercial construction and remodeling work in Malibu requires permits from the local building department. DWD Builders handles all permitting for custom adu projects in Malibu, including coordination with the relevant building authority, plan-check responses, and all required inspections through final sign-off.
DWD Builders Inc. serves all of Malibu and the surrounding Los Angeles area. We are located at 16255 Ventura Blvd Suite 605, Encino, CA 91436. Specializing in custom adu throughout Los Angeles County, we are available at (213) 413-1100 or estimating@dwdbuilders.com.
Contact DWD Builders today. We respond within 2 business hours.
DWD Builders Inc. is a licensed California general contractor specializing in custom adu in Malibu and throughout Los Angeles County. Family-owned and operating since 2014, we have built over 1.5 million square feet across residential, commercial, and institutional projects.
DWD Builders Inc. is your licensed custom adu contractor serving Malibu and the greater Los Angeles area. Call (213) 413-1100 or email estimating@dwdbuilders.com for a free consultation.
Beverly Hills, Century City, Downtown LA, Culver City, Santa Monica, West LA, Pasadena, Encino, Malibu, Pacific Palisades, Brentwood, Bel Air, and all of Los Angeles County.