ADU Construction & Garage Conversions

A white, gabled backyard studio with sliding glass doors opening to a concrete patio, framed by greenery.

Accessory Dwelling Units (ADUs) and garage conversions are among the most valuable home improvement projects in Los Angeles. Whether you want to create rental income, build a guest house, or expand living space for family members, 1 Stop Kitchen and Bath delivers professional ADU construction backed by over 30 years of experience.



As a licensed and insured remodeling contractor located in Reseda, we manage every stage of the ADU process — from design and planning to permits, construction, and final finishing. Our full-service design-build approach ensures your project is completed efficiently, safely, and in compliance with Los Angeles regulations.

Expand Your Living Space with a Custom ADU

Why ADUs Are Popular in Los Angeles

With rising property values and housing demand, ADUs provide homeowners with flexible solutions. A professionally built ADU can:

Los Angeles has specific zoning laws and building requirements for ADUs. Our experience navigating local regulations ensures your project moves forward without unnecessary delays.

A professionally designed kitchen remodel can:

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Generate rental income

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Increase property value

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Provide housing for extended family

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Create a private home office or studio

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Maximize unused garage or backyard space

Our ADU Construction Services

We offer comprehensive ADU and garage conversion solutions tailored to your property and goals.

Detached ADUs

Detached accessory dwelling units are standalone structures built on your property. These units provide maximum privacy and flexibility.

We handle:

  • Site evaluation
  • Architectural planning
  • Foundation work
  • Framing and roofing
  • Plumbing and electrical systems
  • Interior finishes

Garage Conversions

Converting an existing garage into a living space is a cost-effective way to add square footage. We transform garages into:

  • Studio apartments
  • Guest suites
  • Rental units
  • Home offices
  • Creative studios



We ensure proper insulation, ventilation, plumbing, and electrical installation to meet building standards.

Attached ADUs

Attached ADUs expand your existing structure while maintaining a separate living space. We design additions that blend seamlessly with your home’s architecture.


Interior ADU Conversions

Some homes allow interior conversions of unused rooms or basements into fully functional ADUs. Our team evaluates structural feasibility and ensures code compliance.

Interior ADU Conversions

We install a wide range of countertop materials, including quartz, granite, and other durable surfaces. Paired with professionally installed backsplashes, these elements enhance both style and protection.

The ADU Design-Build Process

Building an ADU requires detailed planning and regulatory compliance. Our organized process keeps everything on track.

Consultation & Property Assessment

We assess your property, zoning eligibility, and development potential. We discuss your goals, budget, and timeline.

Design & Planning

Our integrated design services help you create a functional layout that maximizes space and efficiency. We focus on smart storage solutions, proper lighting, and comfortable living areas.

Permits & Approval

Navigating Los Angeles ADU regulations can be complex. We coordinate permits, documentation, and inspections to ensure compliance with city requirements.

Construction Phase

Our experienced team handles foundation work, framing, roofing, plumbing, electrical installation, insulation, drywall, flooring, and finishing.

Final Inspection & Completion

We conduct a thorough walkthrough and ensure all systems function properly before project completion.

Why Choose 1 Stop Kitchen and Bath for ADU Construction in Los Angeles?

Homeowners choose us because we offer:

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30+ years of remodeling and construction experience

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Licensed and insured services

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Full-service design-build coordination

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Knowledge of Los Angeles ADU regulations

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High-quality craftsmanship

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Transparent communication

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Organized project timelines

ADU construction requires expertise in structural engineering, utilities, and local compliance. Our experience ensures your project is completed safely and efficiently.

Garage Conversions Done Right

Garage conversions require more than adding drywall and flooring. Proper construction includes:

  • Foundation evaluation
  • Moisture protection
  • Insulation upgrades
  • Plumbing connections
  • Electrical panel capacity checks
  • HVAC integration



Our team ensures your converted garage meets residential standards and feels like a true living space.

Benefits of Working with a Licensed & Insured ADU Contractor

Choosing a licensed and insured contractor protects your investment. It ensures:

  • Code-compliant construction
  • Proper permitting and inspections
  • Safe system installations
  • Professional accountability
  • Long-term durability



With over three decades of experience, we understand how to manage complex projects while maintaining efficiency and quality.

Frequently Asked Questions

  • How long does ADU construction take?

    Project timelines vary depending on size and complexity. Most ADU projects take several months from planning to completion.


  • Do you handle permits for ADUs in Los Angeles?

    Yes. We coordinate permits and ensure compliance with city and state regulations.


  • Can I convert my existing garage into a rental unit?

    In many cases, yes. We evaluate your property and guide you through eligibility requirements.


  • Are you licensed and insured?

    Yes. We are fully licensed and insured for residential construction and remodeling projects.


  • Will an ADU increase my property value?

    In most cases, yes. ADUs typically increase property value and can generate rental income.


Start Your ADU or Garage Conversion Project Today

If you’re ready to maximize your property’s potential, trust the experienced team at 1 Stop Kitchen and Bath. With over 30 years of construction experience in Los Angeles, we deliver high-quality ADU solutions designed for long-term value.