Serving Milpitas, CA

ADU & Room Addition Milpitas CA

Local design-and-build experts serving Milpitas homeowners. ADUs, room additions, kitchen and bathroom remodeling, all under one roof.

Milpitas's Trusted Remodeling Team

Local Expertise. Premium Craftsmanship. Built for Milpitas.

San Jose ADU & Room Addition delivers reliable, code-compliant ADU & Room Addition Milpitas CA construction for homeowners across the city. We serve every Milpitas neighborhood, from Sunnyhills and the Main Street Milpitas area to McCarthy Ranch, Cardoza Park, Country Club Estates, and the Berryessa-Calaveras corridor.

Our ADU & Room Addition Milpitas CA scope includes attached and detached ADUs, garage conversions, single-story bump-outs, second-story additions, multi-generational suites, plus full kitchen remodeling and bathroom remodeling. We handle design, City of Milpitas permits, construction, and inspections so you do not have to chase the permit desk yourself.

Licensed & Insured
Free Estimates
On-Time, On-Budget
What We Do in Milpitas

Full-Service ADU, Room Addition, Kitchen and Bathroom Remodeling

Our four core services for Milpitas homeowners are ADU construction, room additions, kitchen remodeling, and bathroom remodeling. We also handle whole-home renovations and outdoor builds when they pair with the main project.

ADU Construction

Detached ADUs, attached units, garage conversions, and JADUs. Full-service work from feasibility and design to permits, construction, and final inspection. Built for rental income, family, or both.

Room Addition

Single-story bump-outs, second-story additions, primary suite expansions, and family room extensions. Seamlessly integrated with your existing home's architecture and systems.

Kitchen Remodeling

Open-concept layouts, custom cabinetry, quartz and natural stone counters, designer islands, and professional-grade appliances. We handle structural changes, electrical, plumbing, and finish work end-to-end.

Bathroom Remodeling

Walk-in showers, freestanding tubs, double vanities, heated floors, and custom tile. From a single guest bath refresh to a full luxury primary spa, we deliver bathrooms built to last.

Home Renovation

Whole-house renovations including foundation, framing, electrical, plumbing, HVAC, insulation, windows, doors, and finishes. We modernize older homes and bring them up to current code.

Deck & Patio Construction

Custom decks, covered patios, outdoor kitchens, pergolas, and exterior living spaces. Designed to extend your home's footprint and entertaining capacity year-round.

Where We Work in Milpitas

Serving Every Milpitas Neighborhood

We cover all of Milpitas (95035), from homes around Main Street and Park Victoria to the older Sunnyhills tract and the newer developments along the eastern corridor.

Not sure if we cover your street? Give us a quick call at (650) 900-8598. We almost certainly do.

Milpitas Neighborhoods We Serve

A few of the Milpitas areas where we have recently completed projects:

Main Street Milpitas Sunnyhills McCarthy Ranch Berryessa-Calaveras Cardoza Park Sinclair Frontage Country Club Estates Park Victoria Spangler Park Sandalwood
Why Milpitas Homeowners Choose Us

The Difference Is in the Details

Building in Milpitas means working with a contractor who understands the local market, the local permits, and the local expectations for finish quality. Here is what sets San Jose ADU & Room Addition apart.

01

Local Permit Expertise

We know Milpitas's building department, plan-check workflow, and zoning quirks. Permits move faster because we submit complete, code-correct drawings the first time.

02

One Accountable Team

No subcontractor finger-pointing. Project managers, carpenters, plumbers, and electricians, all coordinated by us. One point of contact from kickoff to final walkthrough.

03

Fixed Quotes, No Surprises

You get a detailed, line-item proposal before signing anything. Change orders only happen when you request them, and they are priced transparently in writing.

04

Premium Finish Quality

Tight reveals, clean tile work, plumb walls, even paint. The finish work is what Milpitas homeowners notice, and what makes a remodel hold up for the next 20 years.

05

Clean Job Sites

Floor protection, daily cleanup, dust containment, and a locked, organized site every evening. Many of our Milpitas clients continue to live in their homes during construction.

06

Real Warranty Backing

Our workmanship warranty is written, transferable on resale, and we stand behind it. If something needs attention after we finish, we come back.

Don't Take Our Word For It

What Milpitas Homeowners Say About Us

Real reviews from real Milpitas clients, neighbors of yours who have lived through the project and would do it with us again.

★★★★★

"We live near Main Street Milpitas in an older single-story home. The team transformed our outdated kitchen into an open-concept modern kitchen. They were professional, easy to work with, and finished the project within time. Highly recommend them to anyone looking for remodeling their house."

A
Anh N.
Main Street Milpitas
★★★★★

"Our Sunnyhills home needed two bathrooms updated. The original 1970s tile, cramped layout, the works. They redesigned both, added a walk-in shower in the primary bath, and the workmanship is genuinely excellent. The crew was respectful of our kids' nap schedule too."

H
Henry L.
Sunnyhills, Milpitas
★★★★★

"We built a 750 sq ft detached ADU for my in-laws who moved from out of state. They handled the Milpitas permits, the utility hookups, and the landscaping touch-ups after. My parents have privacy, we have peace of mind, and the rental potential is there for the future."

P
Priya S.
McCarthy Ranch area, Milpitas
Milpitas FAQs

Common Questions From Milpitas Homeowners

If you do not see your question here, call or message us. We will answer it straight.

Do you serve homes near Main Street Milpitas?
Yes. We work all over Milpitas, including the Main Street corridor, Sunnyhills, McCarthy Ranch, Berryessa-Calaveras, and the newer developments on the eastern side of the city. If you are inside Milpitas city limits (95035), we serve you.
How long does an ADU project take in Milpitas?
Plan to allow 10 to 14 weeks for permits from the City of Milpitas, then 4 to 7 months for construction depending on whether the unit is attached or detached and how large it is. We give you a milestone-based timeline before construction starts.
Can you help with a Milpitas room addition for multi-generational living?
Yes. Multi-generational additions are one of our most common Milpitas projects. We design them with a separate entrance, a private bath, and sometimes a kitchenette, so parents or in-laws have independence while still being under the same roof.
Are you familiar with Milpitas flood zone and soil considerations?
Yes. Parts of Milpitas, especially closer to the bay, sit in designated flood zones or have expansive soils. We adjust foundation design and drainage accordingly, and we will flag any geotechnical reports needed before you commit to a design.
Do you remodel homes in the older Milpitas Sunnyhills neighborhood?
Often. Sunnyhills was developed in the late 1950s, and many homes still have original kitchens, baths, single-pane windows, and aluminum wiring. We modernize these homes while respecting the architectural character of the neighborhood.

Ready to Start Your Milpitas Project?

Get a free, no-obligation estimate from San Jose ADU & Room Addition, a local team that knows Milpitas inside and out. Most quotes scheduled within 48 hours.

📞 (650) 900-8598
Request Free Estimate Online