ADU Contractor in West Hollywood, CA: Custom Designs For Every Lifestyle

Finding a reliable ADU contractor in West Hollywood, CA, can be challenging, but Pasadena Master ADU Builder brings years of experience and expertise to this unique 1.9-square-mile city. As a fully licensed and insured construction company, we specialize in designing and constructing accessory dwelling units that meet local codes and homeowners' needs efficiently in this densely populated community of 35,757 residents.


West Hollywood presents distinct construction challenges with its compact urban environment, stringent building regulations, and diverse architectural styles ranging from Spanish Revival to modern designs. Our experienced team navigates these complexities while leveraging the city's advantages, including its subtropical-semi-arid climate that provides optimal construction conditions year-round. 


Our comprehensive services address the specific needs of West Hollywood property owners, whether you're adding rental income in a city where 77.9% of housing units are rentals, creating multigenerational living space for the growing senior population, or maximizing property value in this high-density area with 18,225.6 inhabitants per square mile. We focus on quality craftsmanship using premium materials, clear communication, and timely project completion to ensure a smooth ADU construction process from start to finish.

ADU Design and Planning Services


We focus on creating ADU designs that meet your specific needs while maximizing the usability and comfort of your space in West Hollywood's year-round warm weather, where temperatures range from 46°F in winter mornings to 81°F in summer afternoons. By combining architectural expertise with practical layout planning and advanced visualization tools, we guide you through every step of the design process with industry-leading materials and construction standards.


Custom ADU Architectural Design


Our certified design team crafts custom ADU architectural designs tailored to your property and lifestyle in this city known as "The Creative City." We consider local building codes in West Hollywood, site constraints, and your preferences to ensure the design is functional and compliant with the city's unique zoning requirements in Los Angeles County.


We prioritize integrating aesthetics with practicality, providing options that align with your desired style—from modern to traditional—while accounting for the area's minimal 13 inches of annual rainfall and rare snowfall. Our designs utilize high-grade materials selected for durability in the local climate conditions.


ADU Space Optimization and Layout Planning


Maximizing every square foot is critical in ADU projects, especially in West Hollywood where the average density reaches 18,225.6 inhabitants per square mile. We analyze your lot's dimensions and zoning restrictions to develop efficient layouts that accommodate living areas, kitchens, bathrooms, and storage using space-saving solutions and premium fixtures.


Our process includes refining floor plans to enhance natural light during the city's abundant sunny days, circulation, and privacy. We also factor in future needs, ensuring flexibility for evolving uses in this city where 77.9% of housing units are rentals.


3D Renderings and Project Visualization


To help you visualize the final result, we provide detailed 3D renderings of your ADU design that account for West Hollywood's excellent natural lighting conditions with record highs reaching 111°F and record lows of 24°F. These professional renderings show realistic views of interiors and exteriors, high-quality materials, and lighting effects.


This visual tool allows us to make adjustments early, avoiding costly changes during construction in this fast-paced city incorporated in 1984. Our visualization services demonstrate our commitment to transparency and client satisfaction.


Architectural Drawings and Custom Floor Plans


We deliver comprehensive architectural drawings that meet the requirements for permit approval in West Hollywood, where the median household income is $52,649. These include detailed site plans, floor plans, elevations, and construction specifications using industry-standard drafting practices.


Our custom floor plans reflect your specific needs, incorporating efficient use of space and proper compliance with pre-approved ADU plan standards in this city bounded by Beverly Hills, Hollywood, and the Fairfax District.


Permitting, Zoning, and Compliance


Navigating the permitting, zoning, and compliance requirements for ADUs in West Hollywood can be complex in this progressive city. Pasadena Master ADU Builder guides clients through every regulatory step with our extensive knowledge of local codes and established relationships with city officials to ensure projects meet all local standards and proceed without delays.


ADU Permit Application and Processing


We manage the entire ADU permit application process with our experienced permit specialists, ensuring all documentation is complete and accurate for this environmentally conscious city. This includes submitting construction plans that meet City of West Hollywood requirements and addressing any plan check corrections quickly using our proven processes.


Our team tracks application status, coordinates with city officials, and advises on realistic timelines to avoid costly hold-ups in this city with a five-member city council including Mayor John M. Erickson. Our reputation for thorough preparation and code compliance expedites the approval process.


ADU Zoning and Code Compliance Assistance


We assess your property's zoning restrictions and confirm that the ADU design adheres to local code, including height limits, setbacks, and parking requirements in this city where 59.7% of households consist of individuals living alone. Our expertise in West Hollywood's zoning ordinances, backed by professional liability insurance, allows us to identify potential obstacles early.


We ensure compliance with California's 2020 ADU laws and West Hollywood's unique amendments in this city that maintains some of the nation's strongest rent control laws.


Certificate of Occupancy Support


Once construction is complete, we assist in obtaining the Certificate of Occupancy required to legally use the ADU in this city where approximately 40% of the population identifies as LGBTQ+. We prepare the final documentation and schedule inspections with local authorities using our established inspection protocols.


We help address any outstanding code issues and provide guidance on meeting health and safety standards in this city served by Los Angeles County Fire Department stations 7 and 8.


Types of ADU Construction Offered


We provide a variety of ADU construction options tailored to fit different property types and homeowner needs in this city where the median age is 40.4 years. Each method emphasizes efficiency, legal compliance, and maximizing usable space using quality materials and proven construction techniques.


Detached and Attached ADU Construction



Our detached ADU construction involves building a separate living unit on your property using premium framing materials and energy-efficient components, taking advantage of West Hollywood's mild climate with mean daily temperatures of 67-81°F. These units include full amenities and work well for multigenerational living in this city with a growing senior population.


Attached ADUs are additions connected directly to your existing home, sharing utilities with the main house in this city where energy efficiency is crucial. We use high-quality insulation and weatherproofing materials suited for the subtropical climate.

Garage Conversion ADUs


Converting an existing garage into a fully functional ADU is cost-effective in this densely populated city where parking regulations are strictly enforced. We specialize in transforming garages into legal living units using moisture-resistant materials, proper insulation, professional-grade plumbing, and code-compliant electrical work.


Garage conversions can include junior ADUs or full ADUs depending on your needs in this city with an average household size of

1.52. Our conversions utilize durable flooring materials and efficient HVAC systems designed for year-round comfort.


Basement and Above-Garage ADUs


Basement ADU conversions make use of underutilized underground space, providing natural cooling in West Hollywood's warm summers when temperatures can reach the upper 80s. We convert basements using waterproofing systems, egress windows, and proper ventilation equipment.


Above-garage ADUs involve constructing living quarters over existing garage structures using engineered lumber and structural reinforcement materials, taking advantage of the city's excellent year-round construction weather.


Modular, Prefab, and Shipping Container ADUs


We install modular and prefab ADUs using factory-built components that meet our quality standards, ideal for West Hollywood's dense urban environment where construction efficiency is paramount. These options reduce construction time and minimize site disruption in this bustling city home to the famous Sunset Strip.


Shipping container ADUs are an innovative option in this environmentally conscious city that adopted mandatory green building ordinances in 2007. We use properly treated containers with professional insulation and finishing materials.


Full-Service ADU Construction Process


Pasadena Master ADU Builder covers every critical aspect from the ground up, prioritizing structural integrity designed for West Hollywood's seismic activity zone and efficient systems installation suited for the local subtropical-semi-arid climate. Our comprehensive general contractor license covers all aspects of residential construction.


Foundation, Framing, and Roofing


We start with foundation and grading work using engineered concrete and proper drainage systems, ensuring your ADU sits on a stable base suitable for West Hollywood's geological conditions. Our team coordinates with structural engineers and uses quality rebar and concrete products that meet seismic standards.


Next, we handle framing with precision using kiln-dried lumber and engineered materials suited for the local climate where temperatures rarely drop below freezing. This frame supports roofing systems using quality underlayment and weather-resistant materials designed for the area's minimal rainfall.


Electrical and Plumbing System Installation


We install comprehensive electrical systems using copper wiring and commercial-grade components with careful planning for modern appliances in this tech-savvy city. Our licensed electricians ensure all work meets current electrical codes and safety standards.


Our plumbing system installation covers water lines using PEX piping and professional-grade fixtures, connecting to the local sewer system with proper permits in this city where water conservation is important due to the arid climate.


HVAC and Fire Safety Systems


Setting up efficient HVAC systems using energy-efficient units is key for standalone ADUs in West Hollywood's climate where summer highs average 80°F and winter lows average 46°F. We install systems that balance energy efficiency with effective climate control using programmable thermostats and quality ductwork.


Fire safety systems include hard-wired smoke detectors and fire-resistant materials as required by local codes in this city served by Los Angeles County Fire Department.


Specialized Garage ADU Conversion Services


We focus on transforming garages into functional living spaces using professional construction techniques, addressing structural changes and utility upgrades in this city where efficient space utilization is essential due to high population density.


Garage-to-Living Space Transformations


We handle both attached and detached garage conversions using structural reinforcement materials and proper foundation work in this city where creative space utilization is valued. This requires thorough structural assessment and professional engineering when needed.


We install energy-efficient windows and doors using quality frames and weatherstripping to improve insulation and natural light, taking advantage of West Hollywood's abundant sunshine throughout the year.


Electrical, Plumbing, and HVAC Upgrades


Electrical rewiring uses current codes and quality materials to adapt spaces for residential use. For plumbing, we install systems using professional fixtures and proper venting. Our HVAC upgrades involve adding mini-split systems or extending ductwork using insulated materials to maintain comfortable temperatures.