Custom ADU Contractor in Malibu, CA
CSLB Licensed · Lic. #B-991385 · 1.5M+ Sq Ft Built · 340+ 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.
Why Malibu Chooses DWD Builders
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.
Featured Projects
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.
This Is What a Premium ADU Looks Like.
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 →Add $2,000–$4,000/mo in Rental Income.
Without Selling Your Property.
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 Regulations & Coastal Commission Requirements
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.
City of Malibu ADU Requirements
- Maximum size: 1,200 SF detached or 50% of existing home square footage
- Setback requirements: typically 4 feet side/rear (verify per property)
- Height limits: typically 16–18 feet depending on zone
- Parking: one space required unless within ½ mile of transit
Fire Hazard Requirements (Chapter 7A)
Most Malibu properties fall within Very High Fire Hazard Severity Zones, requiring:
- Class A fire-rated roofing materials
- Ignition-resistant exterior wall assemblies
- Ember-resistant vents with 1/8" mesh screening
- Tempered or multi-pane glazing
- Defensible space compliance (100-foot clearance minimum)
Custom ADU Configurations for Malibu Properties
Studio ADU (400–600 SF)
Perfect for home offices, art studios, or rental income. Open floor plan with kitchenette, full bathroom, and abundant natural light.
One-Bedroom ADU (600–850 SF)
Most common configuration. Separate bedroom, full kitchen, living area, and bathroom — ideal for long-term rentals or extended family.
Two-Bedroom ADU (900–1,200 SF)
Maximum flexibility for family use or premium rental income. Two bedrooms, full kitchen, living/dining area, 1–2 bathrooms.
Luxury Coastal ADU (1,000–1,200 SF)
High-end finishes, ocean views, indoor-outdoor flow. Floor-to-ceiling glass, premium appliances, spa-like bathrooms.
Cost of Custom ADU Construction in Malibu
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 |
Site-Specific Factors
- Hillside or sloped properties
- Limited access or septic upgrades
- Coastal Commission environmental review
- Utility extensions
Chapter 7A & Coastal Requirements
- Fire-resistant construction premium (~8–12%)
- Corrosion-resistant coastal materials
- Seismic and wind engineering
- Environmental mitigation costs
Timeline Factors
- Coastal Commission review (2–4 months)
- City of Malibu plan check
- Material availability and lead times
- Inspection scheduling
Frequently Asked Questions — Malibu ADU Construction
Do I need Coastal Commission approval for my Malibu ADU?
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.
How long does it take to build an ADU in Malibu?
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.
What are Chapter 7A requirements for Malibu ADUs?
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.
Can I convert my existing garage to an ADU in Malibu?
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.
Can I use my Malibu ADU as a short-term rental?
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.
What is the ROI on a Malibu ADU?
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.
Our Process
Free Consultation
Remote or in person — no commitment required. We review your vision, budget, and timeline together.
Design & Planning
We coordinate architects, engineers, and consultants on your behalf to develop construction-ready plans.
Permitting
Our team manages all city and county permit applications, plan-check responses, and approval coordination.
Construction
Weekly video updates, photo reports, and milestone approvals keep you informed throughout the build.
Final Delivery
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
What Our Clients Say
“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.”
Frequently Asked Questions — Custom ADU Contractor in Malibu
How long does it take to build an ADU in Los Angeles?
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.
How much does a custom ADU cost?
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.
Can I rent out my ADU?
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.
What is a JADU?
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.
Do you handle all permits for the ADU?
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.
Will an ADU increase my property taxes?
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.
Ready to Start Your Custom ADU Contractor Project in Malibu?
Contact DWD Builders today. We respond within 2 business hours.
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About DWD Builders Inc.
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 2013, 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.
Company Information
- Licensed CA General Contractor: Lic. #B-991385 — CSLB Licensed & Bonded — verify at cslb.ca.gov
- Business Address: 16255 Ventura Blvd Suite 605, Encino, CA 91436
- Phone: (213) 413-1100
- Email: estimating@dwdbuilders.com
- Website: www.dwdbuilders.com
- In Business Since: 2013
Service Areas
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.
Services We Provide
- Commercial Construction & Tenant Improvements
- Office Remodels & Office Building Renovations
- Medical Office Build-Outs & Remodels
- Restaurant Construction & Remodels
- Gym & Fitness Center Construction
- TV Studio & Production Facility Build-Outs
- Custom Luxury Homes & High-End Residential
- Fire Rebuild & Reconstruction
- ADU Construction
- Church & Religious Facility Construction
Why Clients Choose DWD Builders
- Licensed, bonded & insured California general contractor
- Expertise in LA County permitting — LADBS, Beverly Hills, Pasadena
- Business continuity planning for occupied buildings
- Open-book budgeting — full cost transparency
- Live client portal with real-time project updates
- Family-owned since 2013 — personal executive attention on every project