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Building an Accessory Dwelling Unit (ADU) is one of the smartest ways Los Angeles homeowners can add living space, increase property value, and create rental income.
At Romano Builders, we specialize in designing and building high-quality ADUs across Los Angeles. Whether you want a backyard guest house, garage conversion, or a fully detached rental unit, our team helps you navigate the entire process—from design and permits to construction and final inspections.
If you’re thinking about adding an ADU to your property, our experienced team is here to help you turn your backyard into a valuable living space.
HAPPY CUSTOMERS
What Is an ADU?
An Accessory Dwelling Unit (ADU) is a secondary housing unit built on the same lot as a primary home. ADUs are fully functional living spaces that include a kitchen, bathroom, and sleeping area.
Common ADU types include:
• Detached backyard homes
• Garage conversion ADUs
• Attached ADUs connected to the main house
• Junior ADUs within the existing home
ADUs are extremely popular in Los Angeles because they allow homeowners to maximize their property while helping address the housing shortage in California.
Benefits of Building an ADU in Los Angeles
Homeowners across Los Angeles are investing in ADU construction for several reasons.
A backyard ADU can generate $1,800 to $3,500+ per month depending on the neighborhood and unit size.
Homes with ADUs often sell for significantly more because buyers value the additional living space.
ADUs are perfect for:
- Aging parents
- Adult children
- Long-term guests
Many homeowners use ADUs as:
- Home offices
- Guest houses
- Creative studios
- Short-term rental units
Types of ADUs We Build in Los Angeles
Typical size:
400 – 1,200 sq ft.
Benefits include:
- Lower construction costs
- Faster construction timeline
- Efficient use of existing space
ADU Regulations in Los Angeles
Typical ADU rules in Los Angeles include:
- Maximum size of 1,200 square feet
- Minimum 4-foot side and rear setbacks
- Reduced parking requirements in many areas
- One ADU allowed per single-family home (sometimes more depending on zoning)
How Much Does an ADU Cost in Los Angeles?
The cost of building an ADU depends on size, design, and site conditions.Typical price ranges:
Garage Conversion ADU
$80,000 – $180,000
Attached ADU
$150,000 – $300,000
Detached ADU
$250,000 – $450,000+
In Los Angeles, ADU construction usually ranges from $300 to $600 per square foot, depending on materials and design.
ADU Construction Timeline
Most ADU projects take 6 to 10 months from planning to completion.
Typical stages include:
- Design and planning
- Permit approvals
- Site preparation
- Construction
- Final inspection
Working with an experienced contractor can help reduce delays and keep the project on schedule.
Why Choose Romano Builders for ADU Construction
Romano Builders has years of experience helping homeowners across Los Angeles design and build high-quality residential projects.
Our team focuses on:
- Professional design and planning
- Navigating Los Angeles permits and regulations
- High-quality construction
- Clear communication throughout the project
We work closely with homeowners to create ADUs that are both beautiful and functional.
Start Your ADU Project in Los Angeles
If you’re thinking about building an ADU in Los Angeles, working with the right contractor makes all the difference.
At Romano Builders, we guide homeowners through every step of the process—from concept and design to construction and completion.
Contact us today to schedule a consultation and explore the possibilities for your property.
Common Reasons Remodeling Projects Are Delayed
Even well-planned remodeling projects can experience delays. Some of the most common causes include:
City approval processes may take longer during busy seasons.
Custom cabinets, specialty tiles, and appliances sometimes take weeks to arrive.
Older homes sometimes reveal hidden problems such as termite damage or outdated wiring.
Construction must pause until city inspections are completed.
Homeowners occasionally request changes during construction, which can extend the timeline.