Accessory Dwelling Unit (ADU) Construction Services in Orange County
Looking to maximize your property value and create additional living space in Orange County? Our professional ADU (Accessory Dwelling Unit) construction services deliver custom, high-quality solutions tailored to your needs, zoning regulations, and lifestyle.
We design and build all types of ADUs to help homeowners increase rental income, add flexible living space, and enhance long-term property value.
Detached ADU (Backyard Units)
A Detached ADU is a fully independent structure separate from your main home.
Perfect for:
- Backyard bungalows
- Private guest houses
- Converted outbuildings
These units offer maximum privacy and flexibility, making them ideal for rental income or multi-generational living in Orange County properties.
Attached ADU (Connected Living Spaces)
An Attached ADU is built directly connected to your main residence.
Features include:
- Shared or private entrance options
- Seamless integration with existing home design
- Efficient use of available space
This option is ideal for homeowners seeking additional living space without building a separate structure.
Garage Conversion ADU
Transform unused space into a fully functional home with a Garage Conversion ADU.
We convert:
- Attached garages
- Detached garages
Benefits include:
- Cost-effective construction
- Faster permitting and build time
- High ROI rental potential
A smart solution for Orange County homeowners looking to unlock hidden property value.
Upper Floor ADU (Junior ADU Option)
An Upper Floor ADU utilizes existing second-story space or attic conversions to create livable units.
Access options include:
- Interior stairway connection
- Exterior private stair access
This type of ADU is ideal for maximizing vertical space without expanding your home’s footprint.
Why Choose MT Home Builders ADU Services in Orange County?
- Expert knowledge of California ADU laws
- Custom architectural design & planning
- Full permit handling & compliance
- High-quality construction & finishing
- Designed for rental income & property value growth
An ADU (Accessory Dwelling Unit) is a secondary residential unit on a single-family property. It can be detached, attached, or converted from existing space like a garage
Yes. All ADU projects in California require permits. We handle the entire permitting process to ensure full compliance with local building codes.
Costs vary depending on size and type. Garage conversions are typically more affordable, while detached ADUs cost more due to full construction
Yes. Most ADUs in California can be legally rented, providing a strong source of passive income.
On average, ADU projects take 2–4 months depending on design complexity, permits, and construction type.