Detached ADU Construction
A freestanding backyard unit with its own entry, sited around setbacks, slopes and bluff lines, and built to fire-zone standards from the foundation to the roof.
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Pacific Palisades ADU builder
ADU Builder and Contractor in Pacific Palisades
Pacific Palisades ADU Builder Pros plans, permits and constructs accessory dwelling units throughout the community, from the compact Alphabet Streets lots beside the Village to bluff-top parcels in Huntington Palisades and canyon lots coming back after the 2025 fire.
4 ftMost a city can require for ADU side and rear setbacks
60Days a city has to act on a complete ADU application
500Square feet: the size cap for a junior ADU
750Square feet: ADUs under this size skip impact fees
California ADU law (Government Code 66310-66342). Coastal, hillside and fire-zone lots can carry extra local rules.
ADU services
ADU Services in Pacific Palisades
Every Palisades ADU needs some mix of planning, permits and construction trades. We cover the full set under one contract, so the person who draws the unit also answers for how it gets built and inspected. Choose a service below to see how it applies to lots in the Palisades.
Attached ADU Construction
A new unit joined to the house by a shared wall, a good fit where the yard is shallow or a rebuild is already redrawing the home's footprint.
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Garage Conversion ADU
An existing garage turned into a legal dwelling, with structural, insulation and utility upgrades and no requirement to replace the lost parking.
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Junior ADU (JADU)
A unit of 500 sq ft or less made from rooms already in the house, with a compact kitchen and a private door, and usually the lightest construction job of any ADU.
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Above-Garage and Two-Story ADU
A second-story unit over a garage, useful on tight lots where ground space is spoken for and the height rules leave room to go up.
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Prefab ADU Installation
Factory-built units set on a site-built foundation, with crane access, delivery routes and LADBS approval worked out before the order is placed.
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Multifamily ADU Construction
Added units on apartment and condo lots, through new detached buildings or conversions of storage rooms, garages and other non-livable space.
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ADU Design and Plans
Plans drawn for your lot's slope, views, overlays and HOA guidelines, from first layout through the construction set LADBS reviews.
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ADU Permits and Approvals
Permit handling with LADBS, City Planning and the utilities, including coastal checks, plan-check corrections and the inspection sequence.
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ADU Foundations and Utilities
Foundations, grading, retaining walls, sewer and water laterals, LADWP service upgrades and fire sprinklers where the lot requires them.
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ADU Kitchens and Bathrooms
Full and compact kitchens and complete bathrooms planned for small floor plans, with plumbing runs, ventilation and finishes chosen early.
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Not sure which ADU fits your lot?
Tell us about the property and what you want the space for. We will reach out and talk through the options that fit your lot and local rules.
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ADU builders in Pacific Palisades
Accessory Dwelling Units Built for Pacific Palisades Lots
Pacific Palisades ADU Builder Pros takes an ADU from first site study to final sign-off: survey review, drawings, City of Los Angeles approvals and construction. The Palisades is a neighborhood of LA rather than a city of its own, so every project here answers to the LA ADU ordinance, to the Department of Building and Safety (LADBS) for the building permit, and to City Planning whenever a coastal or hillside question comes up.
Four kinds of project come up again and again: a freestanding cottage in the back yard, a garage turned into living space, a junior unit made from rooms inside the house, and a unit designed hand in hand with a home rebuilt after the January 2025 fire. Each one begins with the same practical question: what does this particular lot, with its slope, street width, bluff edge and fire-zone status, really allow?
We answer that before anyone pays for full drawings. A short feasibility pass covers zoning, overlays, utility locations and access, and it tells you which ADU type fits and which ones would fight the site.
See How We Build ADUsADU project types
ADU Project Types on Pacific Palisades Lots
The Palisades packs very different terrain into a few square miles. A flat Village-adjacent street, a gated hillside tract, a bluff edge and a narrow canyon each point toward a different kind of unit. These four examples show how the lot shapes the ADU type in different parts of the community.
Detached ADU on a Compact Flat Lot
The Alphabet Streets hold some of the smallest parcels in the Palisades, mostly level and close to the Village. That makes a modest detached cottage at the back of the lot a natural choice, using the state's 4-foot side and rear setbacks to keep usable yard between the two buildings.
What is involved:
- Site Plan
- LADBS Permits
- Slab Foundation
- LADWP Service
Junior ADU Inside a Hillside Tract Home
Highlands homes were built as part of a planned community, many inside gated associations with their own architectural rules. Creating a junior ADU within the existing walls avoids new exterior massing, keeps HOA review simple and leaves the hillside untouched.
What is involved:
- Interior Layout
- HOA Review
- Efficiency Kitchen
- Permits
Attached ADU Set Back From a Bluff Edge
On bluff-top parcels the buildable area is defined by distance from the edge. Where a home was lost in the fire, an attached ADU that keeps 25 feet from a coastal bluff or 10 feet from a canyon bluff can proceed without Coastal or CEQA review.
What is involved:
- Bluff Setback Survey
- Geology Report
- Design
- Permits
Garage Conversion on a Narrow Canyon Street
Canyon streets leave little room for staging a new building. Converting an existing garage keeps most work inside a structure that already exists, cutting deliveries and haul trips, and the state lets the covered spaces go without replacement.
What is involved:
- Structural Upgrade
- Fire-Rated Assemblies
- Sewer Lateral
- Permits
Palisades Rebuild Orders and ADUs on Fire-Damaged Lots
For owners whose homes were destroyed or substantially damaged, the Mayor's Emergency Executive Order 1 lets an attached or detached ADU move forward without Coastal or CEQA review, as long as it keeps 10 feet from a canyon bluff and 25 feet from a coastal bluff. City Planning adds that the ADU can be built with or before the new house and does not use up the lot's floor area.
How ADU permits work in Pacific PalisadesHow an ADU Gets Built in Pacific Palisades
Three stages carry a Palisades ADU from idea to occupancy. The order stays the same on every lot, while the detail inside each stage depends on slope, coastal status and whether the parcel is part of a fire rebuild.
01
Plan and Design the ADU
We review the survey, zoning overlays and utility locations, confirm which ADU types the lot supports, then draw the unit with you. Engineering, soils and fire-zone details are added to produce a full construction set.
02
ADU Permits From LADBS and City Planning
We submit the plans, respond to plan-check comments and coordinate any coastal, LAFD or LADWP sign-offs. State law gives the City 60 days to act on a complete ADU application when a home already exists on the lot.
03
Build and Final Inspection
Construction follows the City's inspection sequence: foundation, framing, rough trades, insulation and final. When the inspector signs off, the unit receives its certificate of occupancy and is ready to live in or lease.
Why build an ADU in Pacific Palisades
Why Homeowners Add an ADU in Pacific Palisades
Housing in the Palisades was tight before the fire and is far tighter now. Families who lost homes north of Sunset have spent months renting across the Westside, and owners south of Sunset hear from relatives, caregivers and neighbors who want to stay close. A second dwelling on the lot answers several of those needs at once.
The City has also made the ADU one of the clearer building paths on a burned parcel. According to City Planning, an ADU may be built along with the replacement house or ahead of it, and its square footage is not counted toward the lot's residential floor area limit.
- A place for family to live on the lot while the main house is rebuilt
- Steady rent from tenants on leases over 30 days
- No requirement that the owner live on the property to build or rent
- No impact fees on units of 750 sq ft or less
- A permit path that stays open where SB 9 splits are now closed
Pacific Palisades ADU Rules for Fire Zone, Coastal and Hillside Lots
City Planning notes that the Palisades has been a designated Very High Fire Hazard Severity Zone since 1999, and the stricter rules that applied before the fire still apply now. For an ADU that means ember-resistant vents, a Class A roof assembly, ignition-resistant siding and decking, and a defensible-space plan. Fire sprinklers come into it on some lots, depending on what the main house has and what LAFD requires.
The lower Palisades, toward Pacific Coast Highway, sits in the California Coastal Zone. Coastal review normally adds a step, yet the Mayor's first rebuild order lets an attached or detached ADU skip Coastal and CEQA review on a lot whose home was destroyed or badly damaged, provided the unit stays at least 10 feet from a canyon bluff and 25 feet from a coastal bluff.
Much of the community is also mapped as a hillside area under LA zoning, which brings its own grading, height and street-access standards. Homeowners associations in neighborhoods like the Highlands add design review on top. We pull the parcel's overlays and any HOA guidelines at the start so the drawings are built around them instead of revised to fit them later.
What Drives ADU Cost in Pacific Palisades
We do not quote a number before seeing a lot, because the spread between two Palisades parcels can be wide. The biggest swing is the ground itself. A flat lot near the Village may need a simple slab, while a canyon or bluff parcel can call for a soils report, a geology review, drilled piers and retaining walls before any framing starts.
Access matters almost as much. Narrow, winding streets in Castellammare and Rustic Canyon limit truck size and staging, which stretches delivery and haul schedules. Fire-zone materials, a larger LADWP electrical service, a new sewer lateral and the choice of a separate meter each add line items too.
Size and finish level do the rest. Keeping a unit at 750 sq ft or below removes impact fees, converting existing space usually costs less per square foot than new construction, and kitchen and bath selections move the budget more than most owners expect. You get an itemized estimate after the site review.
Pacific Palisades service areas
ADU Builders Across Pacific Palisades and Nearby
We work in every part of the Palisades, from Castellammare above the highway to the Riviera on the Santa Monica side, plus neighboring Brentwood and the unincorporated bluff community of Sunset Mesa. Most of these areas fall under the City of Los Angeles. Sunset Mesa is the exception, with ADUs permitted by Los Angeles County, so we open each project by confirming which agency reviews your lot.
Pacific Palisades area
ADU Builder in Palisades Highlands
See Palisades Highlands
Pacific Palisades area
ADU Builder in Castellammare
See Castellammare
Pacific Palisades area
ADU Builder in Huntington Palisades
See Huntington PalisadesFAQs
Pacific Palisades ADU Questions
How much does an ADU cost in Pacific Palisades?
It depends mostly on the lot. Hillside or bluff foundations, narrow-street access, fire-zone materials, utility upgrades and the unit's size and finishes all move the total. We provide an itemized estimate once we have reviewed the site and the scope.
Can I build an ADU before I rebuild my house after the fire?
Yes. LA City Planning says an ADU can be built together with the replacement single-family home or before it. Its floor area is not counted against the lot's residential floor area, so it does not shrink the house you plan to rebuild.
How long does an ADU permit take in Pacific Palisades?
Once LADBS has a complete application and a house already stands on the lot, state law gives it 60 days to approve or deny. Since 2026 the City must also say within 15 business days whether the application is complete. Plan-check corrections and coastal or hillside questions can add time, which is why we resolve them during design.
Can I rent out my ADU in the Palisades?
Yes, on leases that run past 30 days. Owner residency cannot be required by the City for building or leasing a standard ADU. Junior ADUs and the by-right units allowed under Government Code 66323 cannot be used as short-term rentals.
Will an ADU raise my property taxes?
Usually only by the value the ADU adds. The LA County Assessor treats it as new construction layered onto your existing assessed value, leaving the rest of the property's base as it was. The amount depends on what the unit adds in value. Your tax advisor or the LA County Assessor can give you a figure for your situation.
Do Palisades HOAs have a say in ADU design?
They can. City Planning points out that while the City has no adopted design standards for single-family rebuilds, many Palisades homeowners associations regulate aspects of design. We read your HOA's guidelines early and plan for its review alongside the City's.
Can an ADU have its own LADWP meter?
Often, yes. A separate electric meter usually means a larger service and new equipment at the panel, and LADWP has to approve the arrangement. Many owners keep the ADU on the main meter instead. We compare both options with you during design.
ADU consultation
Plan Your Pacific Palisades ADU
Tell us about your lot and what you want the unit to do, whether that is housing family, earning rent or bringing people home after the fire. Request a consultation through the form and we will reach out by phone or email within 24 hours.
- Design
- Permits
- Construction