We have a team of Trusted ADU Contractors in California specializes in modern designing and building custom ADU’s based on your home’s space, needs, preference and budget also. We are licensed, insured, and deeply experienced in California’s local building codes, zoning regulations, and permit processes which you have needed to build ADU. So whether it’s a Guest House, Rental Unit, Office Space, or In-Law Suite in your backyard, anything we can handle everything from concept to 3D design, city permits approval, and full construction all in one place. Our ADU Contractors team ensures increased value and long-term returns for your property through quality materials, strong construction
standards, and energy-efficient designs.
What is an ADU & Why Build One in California?
An ADU is a small-detached dwelling built on the same land as your sweet home, such as a Backyard Cottage, Garage Conversion, or Attached Suite. ADU’s are becoming increasingly popular in California due to the housing shortage, rising house rents, and the opportunity to increase property values for the future.
It includes its own kitchen, bathroom, living space, and entrance just like a modern small house. Because of the housing costs and rent pressures on the rise in California, ADU’s are becoming increasingly popular as a smart property investment for future value. By building an ADU, you can:
- Earn monthly in rental as an income based
- Provide comfortable separate living space for elderly family members, guests or couple for privacy.
- Significantly increase the resale value of your home for the future.
- Increase the usability of your property for future value.
Additionally, California’s new ADU law has simplified permitting, setback, and parking regulations for making the construction process much faster, easier, and more budget-friendly than ever before. An ADU is essentially a long-term asset that makes your home more functional, valuable, and profitable for the future.
Types of ADU’s We Build
Types of ADU’s we build — Briefly explained:
Detached ADU:
A completely independent home built in the backyard, which is separate from your main home. It is suitable for rental income or guest accommodation.
Garage Conversion ADU
Converting an existing garage into a livable small and sweet home. It is very Quick construction and budget-friendly option to build.
Junior ADU (JADU)
Smaller units built using portions of the original home, typically 150–500 sq. ft. Popular for affordability and easy approval for mini family.
Prefab ADU
A modular unit that is prefabricated in the factory and installed on site. It takes Less time and less hassle on a lower budget.
Our ADU Design-Build Process
Site evaluation and advice:
We create a plan for your ADU that based on your land condition, zoning, budget, needs, choice and preference.
Custom interior-exterior design & 3D Planning:
We create 3D models of floor plans, 3D models of bedroom, kitchen overview, interior design, exterior designs, custom design and space optimization according to your preferences.
Permits and City Approvals:
Our dedicated team handles all the documents, drawings, and city submissions needed for your ADU. You are free from worry about the permitting process. We will take that responsibility to complete the process.
Construction and quality construction:
A licensed ADU contractor and insured team completes the construction work step by step using high-quality materials.
Final inspection and transfer:
Once city approval is complete, the unit will be handed over when it is fully ready for occupancy.
ADU Cost & Financing Options in California
The cost of building an ADU in California typically ranges from Average $150,000 to $350,000+, but it can be change depending on the size of the unit, design style, quality of materials, Your choice and preference and site conditions.
Home Equity Loan: This is a low-interest loan using the equity in your home.
Home Equity Line of Credit: Money can be used in stages as needed.
Construction Loan: Funds are released according to the construction stage — useful for large projects.
Cash-out Refinancing: Additional funds can be obtained by refinancing an old mortgage.
These options are carefully selected which based on your budget, property value, and get a future rental income goals.
Why Choose Us as Your ADU Contractor
Our team is licensed, insured, and experienced in California ADU codes. So everything from design to permitting the construction is handled professionally by our team because they know what to do and how to do. We ensure cost-transparency, high-quality materials, and modern design solutions in every project. We can create custom ADU plans to match your land size, budget, and lifestyle. So that the space looks more beautiful, functional, and suitable for future rental or family use. Timely completion, clear communication, and lasting quality — that’s our goal and specialty.
We don’t just build ADU’s, we build smart, value-added ADU solutions that ensure the most efficient use of your property. We have the best team of ADU contractors to do this.
Custom Design & layouts:
Custom layouts according to your lifestyle, budget, and backyard space, which will make your home more elegant and modern.
Transparent Cost Estimate:
We provide a Clear budget planning without hidden costs.
On-Time Completion & Deliver:
For on time completion, our ADU contractors are strictly followed schedule and project management
Rental and ROI guidelines:
If desired, advice is also provided on rental benefits and potential income.
High Quality Construction:
We strive to provide long-lasting and high-quality materials, modern construction techniques, and fine craftsmanship.
Service Areas
Our experienced ADU contractors team completes ADU projects in various areas of California in accordance with local zoning regulations, city permits, and building standards. Each area is given a unique solution, taking into account the environment, architectural style, and budget.
Los Angeles:
We provide smart and modern layouts and stylish backyard ADU solutions in a limited space.
San Diego:
Coastal design, building structures that provide ventilation and natural light.
Bay Area (San Jose, Oakland, Fremont):
Premium finishes, custom design and high ROI-based rental ADU.
Sacramento:
Specializing in building affordable, family-friendly, property value-increasing ADU’s.
Inland Empire:
Detached ADU and multi-unit housing solutions for larger lots.
Providing personalized, high quality, and long-lasting ADU construction services in every region according to your land, budget, and future use. We are one of the best ADU Contractors in California for our experience and professional team.
FAQs
What does an ADU contractors do, and why choose Glad Construction?
As an ADU contractor, Glad Construction manages everything from initial land survey and architectural design to engineering, permitting, and construction of accessory dwelling units (ADU’s). Their site stresses full-service capability: “From start to finish, we take care of everything from design to the permitting process and more.”
How much does it cost to hire an ADU contractors like Glad Construction?
On Glad’s site, the breakdown shows: Phase 1 (site prep/architect/permits) ~ $6,600. Phase 2 (construction) in the range of $110,000–$360,000 depending on model, size, finish.
What is the typical timeline when working with an ADU contractors?
According to the site: permit timeline generally 2–3 months, then construction completion often 3–4 months for standard ADU builds.
What services are included when hiring Glad Construction as your ADU contractors?
Services include land survey & site preparation, architect design with up to three revisions, engineering approval, permit submission, full construction (foundation, framing, utilities, finishes) and project management.
How do I verify that my ADU contractors is licensed and reliable?
Glad Construction lists a contractor license #1080388 and promotes “Licensed & Certified” credentials. Check local state contractor boards, ask for insurance proof, view recent testimonials, and verify past ADU projects with timelines and budgets. This contributes strongly to trustworthiness.
How can I use an ADU designed & built by a contractor like Glad Construction?
Typical uses: rental income, guest housing, retirement living, art studio, home office. Glad’s site shows one-bed, two-bed, three-bed ADU’s, art studios and front-yard ADU models.