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Villa Bella Construction • Licensed & Insured • 25+ Years Experience • Free Estimates

Expert ADU & Garage Conversions

in Los Angeles, including Beverly Hills, Pasadena, and Venice, and surrounding areas.

ADU & Garage Conversions

Built on quality and trust

Build a Legal, Code-Compliant ADU & Garage Conversions with a Trusted Local Contractor

Accessory Dwelling Units (ADU & Garage Conversions) and garage conversions are one of the most effective ways to add livable space and long-term value to your Los Angeles property. Whether you’re planning a rental unit, guest suite, or private living space for family, Villa Bella Construction delivers fully permitted, structurally sound, and city-approved ADU solutions.

With over 25 years of hands-on construction experience, our team manages every phase of your ADU or garage conversion—from structural framing and permitting to final inspections—ensuring your project is completed correctly, safely, and in full compliance with Los Angeles building codes.

ADU garage conversion in Glendale residential property -Villa Bella Construction
  • Structural reinforcement and framing
  • Slab evaluation and corrections
  • Fire separation and insulation
  • Electrical, plumbing, and HVAC coordination
  • Door and window modifications
  • City inspections and approvals

We ensure your converted garage meets California Title 24, local fire codes, and Los Angeles Department of Building and Safety (LADBS) requirements.

Garage Conversion Services

Turn Your Existing Garage Into Livable Space

Garage conversions are one of the fastest and most cost-effective ways to create an ADU & Garage Conversions. Villa Bella Construction handles all required upgrades, including:

Permitted garage conversion ADU in Pasadena – Villa Bella Construction
ADU Construction Services

Full-Service ADU Builds From Start to Finish

  • 1
    Design & Planning
    Custom blueprints tailored to your property in Los Angeles, Glendale, or Pasadena.
  • 2
    Permitting
    We navigate the specific zoning laws of Glendale and Pasadena to secure your permits efficiently.
  • 3
    Construction
    Masterful framing, plumbing, and HVAC installations performed by our licensed crew.
  • 4
    Final Inspection
    Final city sign-off, ensuring your unit is ready for immediate move-in or rental income.

We collaborate with architects, engineers, and inspectors to ensure your ADU is structurally sound, energy-efficient, and approved without delays

Backyard guest house and ADU construction in Culver City – Villa Bella Construction
Code-compliant ADU development in Santa Monica – Villa Bella Construction

Framing & Structural Work (Included)

Load-Bearing Modifications Done Right

ADU and garage conversions often require significant structural work, especially when modifying load-bearing walls or roof systems. Our in-house construction expertise includes:

  • Structural framing per engineered plans
  • Load-bearing wall modifications
  • Roof structure adjustments
  • Foundation corrections when required
  • Seismic and code-compliant upgrades

All structural work is performed per engineer specifications and city code—never shortcuts.

What Affects ADU & Garage Conversions Costs?

Unit Size & Type

Square footage and configuration (Attached vs. Detached) are the biggest baseline cost drivers.

Structural Work

Existing garage foundations often require structural reinforcement to meet modern seismic codes.

Utility Connections

Running new plumbing, electrical lines, and HVAC systems from the main house to the ADU.

Fixture Quality

The tier of kitchen cabinetry, bathroom fixtures, and appliances you choose for the unit.

Interior Finishes

Flooring choices, paint grades, lighting design, and overall aesthetic details.

City-Specific Permits

Fees vary significantly between Los Angeles, Pasadena, and Glendale municipal departments.

Navigating LA Building Permits

In Los Angeles, a successful kitchen remodel requires more than just good design. We manage the entire ** LADBS (Los Angeles Department of Building and Safety) ** permitting process to ensure your project is legal and safe.
LADBS Plan Check

We submit detailed architectural and engineering plans to the city for approval before any work begins.

Title 24 Compliance

California's energy code is strict. We ensure your new lighting, appliances, and insulation meet the latest Title 24 efficiency standards.

Why Permits Matter

Ensures structural integrity and fire safety.

Protects your home's resale value and insurance coverage.

Guarantees all plumbing and electrical work is to code.

Avoids costly city fines and 'stop-work' orders.

When you need an ADU & Garage Conversions in Los Angeles, Villa Bella Construction handles design, permitting, framing, and inspections from start to finish. We work across Glendale, Pasadena, Santa Monica, and surrounding areas so your unit is legal, code-compliant, and ready for occupancy or rental.
Shaping unique interiors with heart

Our Construction & Remodeling Services

01

Kitchen Remodeling

Custom layouts, cabinetry, countertops, and finishes.

02

Bathroom Remodeling

Full renovations, showers, vanities, and upgrades.

03

Concrete & Hardscape

Driveways, patios, retaining walls, and walkways.

04

Balcony & SB-721 / SB-326 Repairs

Ensuring SB-721 & SB-326 Balcony safety and mandatory compliance.

05

Soft Story Retrofit

Soft story buildings are require reinforcement to improve structural stability during seismic activity.

06

Fire Damage Restoration

Rebuild safely and in full compliance.

Your questions answered

ADU & Garage Conversion FAQs

Yes, a legal garage conversion requires building permits from the Los Angeles Department of Building
and Safety (LADBS). We handle the entire permitting process, ensuring your unit complies with all local
zoning and safety regulations.

Timeline varies by location (Glendale and Pasadena may have different review speeds), but generally, projects take 4–9 months. This includes 2–3 months for design and city approvals, followed by 3–6 months for construction.

In some cases, yes—but the slab must meet structural and code requirements. We evaluate the slab and make corrections if necessary to pass inspection.

Yes. Structural and seismic compliance is required, especially for framing, foundations, and load-bearing elements.

Possibly. Los Angeles ADU laws allow flexibility, but zoning, setbacks, and lot coverage rules still apply. We review your property before making recommendations.

Yes. ADUs are commonly used as rental units, guest houses, or family living spaces, subject to local rental regulations.

Yes. We manage the full scope—from structural framing and utilities to interior finishes—so nothing is fragmented between contractors.

Pasadena has specific guidelines regarding historic preservation and floor-area ratios. Our team is well-
versed in the City of Pasadena's unique requirements to ensure your project passes all local inspections.

Serving Los Angeles & Surrounding Areas

Villa Bella Construction proudly serves homeowners throughout Los Angeles and surrounding areas, including West Hollywood, Santa Monica, Beverly Hills, Culver City, Pasadena, Glendale, and more.