ADUs & Additions project in West Hollywood, California
West Hollywood, California

ADUs & Additions in West Hollywood

Detached ADUs, garage conversions, room additions and second storeys, designed, permitted and built. Designed, permitted and built by our own crews.

ADUs & Additions built for West Hollywood properties

Space, not budget, is the binding constraint on most projects in this city. Lots are compact and flat, side yards are often too tight for an excavator, and pools frequently get dug with small equipment or craned in from the street. We check a building's age and status early, because historic review and, in multifamily buildings, tenant protection rules can reshape a scope. Staging strategy matters here as much as the drawings do.

Small, flat, densely built city lots — many occupied by duplexes, courtyard buildings and small apartment houses — with modest rear yards and limited or no side-yard access.

We are a design-build team, which means the people who draw your project are the people who build it. Design, engineering, permits and construction run through one project manager and our own crews, so nothing gets lost in a handoff between a salesperson and a subcontractor. We are licensed and insured, LIC #1119054.

Permits in West Hollywood: This is an independent city, so building, electrical, plumbing and mechanical permits come from its own Building and Safety Division at City Hall on Santa Monica Boulevard, with applications filed through the city's online permitting and licensing portal. There is no coastal zone and no hillside grading ordinance here, but the city's cultural heritage preservation program can apply to older buildings and contributing structures in designated districts. Removal of mature canopy trees in connection with new development or a major remodel requires city approval, and street trees in the parkway are regulated under the municipal code chapter covering street trees and urban forestry. Work in rent-stabilized multifamily buildings can additionally trigger tenant protection requirements.

What We Build

  • Crane-set and small-equipment pool builds
  • Historic and multifamily compliance review
  • Street staging and material logistics planning
  • Detached ADUs, ground-up
  • Garage conversions to living space
  • Junior ADUs within the main house
  • Room additions and bump-outs
  • Second-storey additions
  • Full kitchens and bathrooms in the ADU
  • Separate utility metering where required
  • Private entries, patios and landscaping
  • Plans, engineering and city submittals
  • Title 24 energy compliance

Local Conditions

What building in West Hollywood actually involves

Every city in Southern California builds differently. These are the things that change the scope, the schedule or the budget on West Hollywood projects.

01

Side yards on compact flat lots are frequently too narrow for tracked equipment, so pool excavation runs on mini-machines or the shell is craned in from the street.

02

Dense curbside parking and short block faces leave little room for dumpsters, material drops and concrete trucks, making staging approvals part of the build plan.

03

Duplexes and small apartment buildings from the 1920s and 1930s often share walls and a single service panel, complicating added outdoor electrical and gas loads.

04

Rear yards are shallow, so spa, equipment enclosure and outdoor kitchen placement becomes a clearance and sound-attenuation problem before it becomes a design one.

Areas we serve in West Hollywood:Norma TriangleWest Hollywood WestSunset StripHarper Historic DistrictMelrose Design DistrictThe East Side

Investment

What this costs in West Hollywood

Real Southern California ranges, not a teaser number. Every project is priced line by line after we have seen the site.

Detached ADU

$150,000 to $400,000+

What moves it: square footage, finish level, utility runs, and site access; garage conversions typically run well below a ground-up detached build

Garage conversion ADU

$80,000 to $180,000

What moves it: whether the existing slab and framing meet current code, how far utilities have to run, and the finish level of the kitchen and bathroom

Plans, drawings and permit management

$4,500 to $25,000+

What moves it: project type and size, whether structural engineering, Title 24 or a soils report is required, and how many jurisdictions or review bodies are involved

How We Build

Your West Hollywood project, step by step

01

Feasibility

We check lot size, setbacks, utilities and access to confirm what your property will actually support.

02

Design & 3D

Layout, elevations and finishes, modelled in 3D so you approve the unit before submittal.

03

Plans & Permits

We prepare the full drawing set, handle engineering and Title 24, and manage the city submittal and corrections. In West Hollywood that submittal goes to City of West Hollywood Building and Safety Division (Community Development Department).

04

Foundation & Framing

Site prep, foundation, framing and dry-in by our own crews.

05

Systems & Finishes

Electrical, plumbing, HVAC, insulation, then kitchen, bath and interior finishes.

06

Final Inspection

We pass final inspection, walk the unit with you and hand over the keys.

West Hollywood Questions

Common questions from West Hollywood homeowners

Who issues the permits for this work in West Hollywood?

City of West Hollywood Building and Safety Division (Community Development Department). This is an independent city, so building, electrical, plumbing and mechanical permits come from its own Building and Safety Division at City Hall on Santa Monica Boulevard, with applications filed through the city's online permitting and licensing portal. There is no coastal zone and no hillside grading ordinance here, but the city's cultural heritage preservation program can apply to older buildings and contributing structures in designated districts. Removal of mature canopy trees in connection with new development or a major remodel requires city approval, and street trees in the parkway are regulated under the municipal code chapter covering street trees and urban forestry. Work in rent-stabilized multifamily buildings can additionally trigger tenant protection requirements. We prepare the drawings, make the submittal and handle plan-check corrections ourselves, so you are not the one chasing the city.

What makes building in West Hollywood different?

Small, flat, densely built city lots — many occupied by duplexes, courtyard buildings and small apartment houses — with modest rear yards and limited or no side-yard access. In practice that means side yards on compact flat lots are frequently too narrow for tracked equipment, so pool excavation runs on mini-machines or the shell is craned in from the street..

Which parts of West Hollywood do you work in?

All of it, including Norma Triangle, West Hollywood West, Sunset Strip, Harper Historic District. We are based in Los Angeles at Cahuenga Pass, so West Hollywood is a short run for our crews rather than a job we service from out of the area.

What does adus & additions cost in West Hollywood?

Detached ADU in this market generally runs $150,000 to $400,000+. What moves it is square footage, finish level, utility runs, and site access; garage conversions typically run well below a ground-up detached build. We give line-item pricing after seeing the site rather than quoting a number over the phone.

How long does an ADU take start to finish?

Plan a realistic year. Design and engineering typically take one to three months, city plan check and corrections add several more, and construction usually runs four to eight months depending on size and site access.

Is a garage conversion cheaper than a detached ADU?

Usually yes, and often substantially, because the foundation, walls and roof already exist. The trade-offs are that you lose the garage, and older slabs and framing sometimes need upgrading to meet current code.

Can I rent the ADU out?

California ADU law is designed to allow long-term rental, and an ADU is one of the few ways to add rentable square footage to a single-family lot. Short-term rental rules vary by city, so confirm your local ordinance before counting on that income.

Do you handle the permits?

Yes. Plans, engineering, Title 24 and the city submittal are all handled in-house, including responding to plan-check corrections. That is a service we sell on its own, so it is not something we hand off.

Planning adus & additions in West Hollywood?

Sit down with your project manager, go through the details, and get an accurate estimate for your property.

Licensed & Insured · LIC #1119054