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Have a question or ready to start your project? Reach out to 9Builders today.

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Your Questions Matter

We are here to help you plan and build your next project. Reach out by phone, email, or fill out the form and we will get back to you within one business day.

Phone

408-647-6476

Address

San Jose, CA 95122

Hours

Mon – Fri: 9:00 AM – 5:00 PM

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Why Choose 9Builders

Trusted by homeowners across the Bay Area for quality, transparency, and results.

01

Free Consultations

Every project starts with a no-obligation visit where we assess your property, discuss your goals, and provide a clear estimate.

02

Transparent Pricing

We provide detailed, itemized quotes up front so you know exactly where your investment goes. No hidden fees, no surprise change orders.

03

End-to-End Service

From design and permits to construction and final inspection, we manage every step so you can focus on enjoying the result.

Frequently Asked Questions

Find answers to commonly asked questions about our services.

We primarily serve the San Jose and greater Bay Area, including Santa Clara, Sunnyvale, Campbell, Los Gatos, Saratoga, Cupertino, Mountain View, Palo Alto, Fremont, Los Altos, Milpitas, and surrounding communities.

ADU costs in California typically range from $150,000 to $350,000 depending on size, design complexity, site conditions, and finishes. We provide a detailed estimate during your free consultation so there are no surprises.

Yes, most remodeling and all ADU projects require permits from your local building department. 9Builders handles the entire permitting process for you, including plan submissions, inspections, and approvals.

A kitchen or bathroom remodel usually takes 4 to 8 weeks. A full home remodel can take 3 to 6 months. ADU construction typically runs 6 to 12 months from design through completion. We provide a detailed timeline at the start of every project.

Yes. We offer a free, no-obligation consultation where we visit your property, discuss your goals, review permits and zoning requirements, and provide a preliminary scope of work and cost estimate.

Absolutely. We offer full design-build services, working with licensed architects and engineers in-house so your project flows seamlessly from initial concept through final walkthrough.

Our advisory service includes a property evaluation, permit and zoning guidance, a detailed scope of work, cost estimation tools, and professional recommendations so you can confidently evaluate bids from any contractor.

Yes. 9Builders is fully licensed, bonded, and insured. We also back our work with a warranty so you can have complete peace of mind after your project is finished.

We can guide you through common financing options for ADUs and remodels, including home equity loans, HELOCs, construction loans, and California-specific ADU financing programs. We partner with trusted lenders who specialize in home improvement projects.

Getting started is simple. Contact us through our website or call us at 408-647-6476 to schedule your free consultation. We will visit your property, discuss your vision, and outline the next steps.

Ready to Start Your Project?

Contact us today for a free consultation and estimate.

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