Accessory Dwelling Unit (ADU) Construction in Campbell, California
Build Value, Flexibility, and Income with an ADU in Campbell
Campbell, California, with its inviting neighborhoods and high demand for housing, is a prime location for building an Accessory Dwelling Unit (ADU). Whether you’re looking to accommodate extended family, generate rental income, or create a private office or guest suite, an ADU provides unmatched versatility and long-term value for your property.
At Construction Remodeling in Bay Area, we specialize in custom ADU construction that blends seamlessly with your existing home while meeting all local zoning and code requirements. From garage conversions to detached backyard cottages, we handle every aspect of the ADU process—so you can expand your living space without the stress.
Frequently Asked Questions
Campbell allows for detached ADUs, attached ADUs, interior conversions (like basements), and garage conversions, depending on your lot size and zoning.
ADU costs typically range from $120,000 to $300,000+ based on size, type (attached vs. detached), materials, and site-specific factors.
Yes, Campbell requires building permits, and we handle all the paperwork, plan submissions, and inspections for you.
The timeline varies, but most ADU projects take between 4 to 9 months, including design, permitting, and construction.
Yes! ADUs are a popular source of passive income in Campbell. You can use it as a rental, guesthouse, or even home office.
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Our Comprehensive Accessory Dwelling Unit (ADU) Services in Campbell
At Construction Remodeling in Bay Area, we take a turnkey approach to ADU development—guiding you from idea to completion with professionalism and care.

Custom ADU Design
We create detailed ADU plans based on your goals, whether it’s a studio, one-bedroom, or multi-functional living space. Our team ensures every square foot is used effectively and attractively.

Site Assessment & Feasibility
We evaluate your property layout, utility connections, and city regulations to determine the best ADU type and placement options.

Detached ADU Construction
Perfect for added privacy, a detached unit is like a second home on your lot. We build detached ADUs with independent entrances, kitchens, and bathrooms.

Garage Conversions
If you’re not using your garage, turn it into a fully functioning living space. We rework the structure, install insulation, and add utilities to make it livable year-round.

Attached ADUs & Internal Conversions
Whether it’s converting a portion of your home or building an extension, we ensure your new space integrates seamlessly with your main house.

Full Permit Handling
We manage all Campbell city permits, compliance checks, and inspections so your ADU meets every legal requirement and passes all inspections.
Our Proven ADU Construction Process
We keep your ADU project on track with a well-organized process, tailored to Campbell’s building codes and your specific needs.
1. Consultation & Property Review
We visit your site to understand your goals, review your layout, and recommend the best ADU type and placement.
2. Design & Planning
We create detailed floor plans, architectural designs, and 3D renderings, followed by a clear, itemized estimate for transparency.
3. Permitting & City Approval
Our experienced team handles all the required paperwork, including structural engineering plans and energy compliance documentation, submitting everything to Campbell’s building department.
4. Site Preparation & Utilities
We prepare your lot, including grading, foundation work, and utility connections—ensuring smooth integration with your existing systems.
5. Full-Scale Construction
Our licensed builders handle everything: framing, roofing, plumbing, electrical, HVAC, insulation, flooring, and finishes—using top-tier materials for long-term durability.
6. Final Inspection & Move-In
After a thorough inspection, we walk you through your finished ADU and provide tips for usage, maintenance, and renting options.
Why Homeowners in Campbell Choose Us for Accessory Dwelling Unit (ADU) Construction
- Local Knowledge
We’re familiar with Campbell’s zoning laws, neighborhood character, and permit requirements—ensuring smoother approvals and well-integrated designs. - Custom, High-Quality Builds
No prefab units here—every ADU we build is crafted to fit your property, lifestyle, and aesthetic preferences. - Transparent Process
From clear pricing to open communication, we prioritize honesty and organization throughout your ADU journey. - Licensed & Insured Team
Our licensed contractors, architects, and project managers are highly skilled and backed by full insurance for peace of mind. - Full-Service Project Management
You’ll work with one dedicated team from the initial consultation through the final walkthrough, making your experience seamless and efficient.
Build Your Accessory Dwelling Unit (ADU) in Campbell with Confidence
With rising property values and growing demand for flexible living spaces, now is the perfect time to invest in an ADU in Campbell. Whether you’re thinking long-term family planning or looking to boost your property’s income potential, our team at Construction Remodeling in Bay Area is here to make it happen.
Contact us today for a free consultation and let’s bring your ADU project to life in Campbell, CA!
Here is what our customers say
We highly recommend Ray and his team and look forward to when we do the family room and master bathroom next! Thank you CRIBA!! 🙂
P.S. fave material sources:
-Commercial grade vinyl wallpaper from Mayflowerwallpaper.com
-Integrated Corian countertop from Bay Custom Countertops
-Recessed ceiling lights with full-on and back-lit options from Amazon
-Porcelain wood tiles from Home Depot and wall tiles from Floor & Decor
Since this was my first time doing a remodeling project, I really appreciated how helpful they were with suggestions and guidance throughout the process. Their experience and attention to detail truly made a difference.
I highly recommend Ray and his team for any remodeling work and will definitely hire them again for future projects!