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Our detached ADUs offer the privacy of a separate entrance with the independence of a standalone space, perfect for rental income.
Our attached ADUs offer new possibilities for your home while serving as a picturesque guest room or in-law suite.
Our room addition ADUs breathe new energy into your existing spaces, bringing out the best in what your home can be.
Our garage ADU conversions turn this often underutilized square footage into a pleasant living space your whole family will enjoy.
With over 300 five-star reviews, homeowners recognize us as the top general contractors in San Diego. We deliver five-star service every step of the way, making building your ADU a process you'll love from foundation to finish.
We provide the best prices and highest quality for custom ADUs. Our in-house designers and interior specialists use luxurious finishes to create ADUs you and your neighbors will envy.
With over 20 years of experience in the field, we've mastered the art of building ADUs in San Diego. From handling local regulations to managing permits and inspections, our team takes care of every detail. Sit back and relax as we bring your ADU to life.
Our one-stop-shop approach makes ADU construction seamless. Our in-house team takes care of everything from design to build, providing a hassle-free, streamlined experience.
For our team at It’s ADU, ADU construction is as much about the journey as it is the destination. Whether that’s an ADU garage conversion or a private backyard getaway, we guide you through a seamless process you’ll love as much as the finished product.
“From start to finish, they demonstrated exceptional professionalism and expertise. The final result exceeded our wildest dreams, and we couldn't be happier with our new ADU!”
Allowing you to do more with your property.
Alleviating the parking spot requirement for ADUs.
Carrying out cost-effective construction without compromise.
Supporting both ADUs and Junior ADUs on a single property.
Speeding up the permit approval timeline for ADUs.
Making even larger ADUs possible.
Enter your project estimates to calculate your monthly payment.
$1,255
Principal
$150,000
Interest
$151,118
Total Payable
$301,118
Building an ADU in San Diego typically costs
300 sq ft: $120,000 – $175,000
Fixed costs such as design permits and high-quality, multifunctional solutions.
500 sq ft: $180,000 – $250,000
Economies of scale apply, with costs influenced by finishes and design complexity.
800 sq ft: $250,000 – $350,000
Larger footprint allows for standard construction methods, potentially lowering costs.
1,000 sq ft: $330,000 – $465,000
Costs vary widely based on location, materials, and labor.
1,200 sq ft: $415,000 – $580,000
Maximum potential for design complexity and high-quality finishes.
To finance an ADU, homeowners can explore several options:
Home Equity Loans and HELOCs: Borrow against your home’s equity. Home equity loans provide a lump sum, while HELOCs offer a flexible line of credit.
Cash-Out Refinancing: Replace your existing mortgage with a larger one, using the difference to fund the ADU.
Construction Loans: Specifically for building projects, these loans convert to a regular mortgage upon completion.
Government Programs: Look for local grants and loans, like California’s CalHFA ADU Grant Program, which offers up to $40,000 for ADU development.
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