Build a custom ADU in Malibu with a trusted local contractor. We design and build guest houses, garage conversions, and backyard homes that increase property value and rental income.
Build a custom ADU in Malibu with a trusted local contractor. We design and build guest houses, garage conversions, and backyard homes that increase property value and rental income.
Adding an ADU (Accessory Dwelling Unit) is one of the best ways to use your space.
You can create
A rental unit
A guest house
A home office
A private living space
In Malibu, ADUs are in high demand. A well-built unit can increase both income and resale value.
We build standalone units for privacy and flexibility.
Turn your garage into a livable space fast.
Expand your home with a connected unit.
We design layouts that maximize small spaces.
Generate passive rental income
Increase home value
Add flexible living space
Support family housing needs
Costs depend on size and design
Garage conversion: $80K–$150K
Attached ADU: $150K–$300K
Detached ADU: $200K–$500K+
We provide clear, detailed estimates.
Licensed and insured
Local experience in Malibu
Full-service design & build
Permit and zoning expertise
Clear communication
As of January 1, 2026, SB 543 and AB 462 changed the game for California ADU permits (speeding up timelines).
Design & permits
New 15-day completeness review or 60-day automatic approval
Construction
3–6 months
We handle everything from start to finish.
Planning an ADU in Malibu? These FAQs answer the most common questions about creating an ADU for your Malibu home.
An ADU (Accessory Dwelling Unit) is a small home built on the same property as your main house. It can be used as a guest house, rental unit, or private living space.
Yes. ADUs are allowed in Malibu under California state law. However, you must follow local zoning rules and get permits before construction begins.
Most ADU projects take 4 to 9 months total.
Design and permits: 1–3 months
Construction: 3–6 months
Costs vary based on size and type:
Garage conversion: $80,000 – $150,000
Attached ADU: $150,000 – $300,000
Detached ADU: $200,000 – $500,000+
Site conditions and design choices can affect the final price.
Yes. Many homeowners use ADUs for rental income. Long-term rentals are common, but short-term rentals may have restrictions.
It depends on your goals:
Garage conversion: fastest and most affordable
Attached ADU: good for extra space
Detached ADU: best for privacy and rental income
Yes. Permits are required for all ADU projects in Malibu. A professional contractor will handle the permit process for you.
Yes. ADUs often increase home value and make properties more attractive to buyers.
Yes. Garage conversions are one of the most popular and cost-effective ADU options in Malibu.
Modern ADUs are built with energy-efficient materials, insulation, and appliances. This helps lower utility costs.
Size limits depend on your lot and local regulations. Many ADUs range from 400 to 1,200 square feet.
Yes. ADUs are ideal for multi-generational living. They provide privacy while keeping family close.
Not always. Some ADUs share utilities with the main home, while others have separate systems.
Start with a consultation. A contractor will review your property, explain your options, and give you a clear plan and estimate.
Features that add value include:
Modern kitchen and bathroom
Open floor plan
Natural light
Private entrance
Outdoor space
California law allows ADUs on most residential properties. Malibu cannot ban them.
You can usually build
1 ADU (detached or attached)
1 junior ADU (inside the main house)
Basic standards
Size: up to about 1,200 sq ft
Height: around 16 ft for detached
Setbacks: about 4 ft from side and rear
Parking is often not required.
Malibu-specific factor Coastal Zone
Malibu is entirely in the Coastal Zone.
Your project must comply with the Local Coastal Program (LCP).
This can restrict
Location on the lot
Height or visibility
Building near bluffs, beaches, or sensitive habitat
Even if state law allows an ADU, coastal rules can limit or reshape the project.
State target
60 days after a complete application
In Malibu
often longer due to corrections and coastal issues
Fire regulations (high fire zone)
access, water supply, defensible space
Septic systems
may limit size or prevent an ADU
Steep slopes
may require geotechnical reports and grading permits
Environmental areas (ESHA)
can restrict where you build
ADUs are generally allowed by law
Malibu adds extra constraints through coastal and site conditions
Approval is usually possible, but highly dependent on the specific property and often slower than in other cities
Typical process
Check zoning and site constraints (slope, septic, fire access, coastal rules)
Prepare plans (architectural + engineering)
Submit application to the city
City reviews for:
Zoning compliance
Coastal compliance
Building code
Revise plans if required
Permit issued if compliant
ADUs are supposed to be “ministerial”:
No public hearing
No neighbor approval
City must approve if rules are met
In Malibu, coastal review can slow this down.
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