# 9Builders

> Bay Area design-build contractor specializing in ADUs, home additions, kitchen/bathroom remodeling, and custom homes across Santa Clara, San Mateo, Alameda, and Contra Costa counties.

9Builders provides in-house architectural drafting, Title 24/CF1R energy compliance, and full-service construction for residential projects in San Jose, Palo Alto, Sunnyvale, Cupertino, and other South Bay / Peninsula cities.

## Services

- [ADU Builders](https://9builders.com/adu-builders/): Accessory dwelling unit design and construction
- [Home Remodeling](https://9builders.com/home-remodeling/)
- [Kitchen Remodeling](https://9builders.com/kitchen-remodeling/)
- [Bathroom Remodeling](https://9builders.com/bathroom-remodeling/)
- [Custom Home Builders](https://9builders.com/custom-home-builders/)
- [Home Additions](https://9builders.com/home-additions/)
- [In-Law Suites](https://9builders.com/in-law-suites/)
- [Architectural Drafting & Design](https://9builders.com/architectural-drafting-and-design/)
- [Title 24 & CF1R Services](https://9builders.com/title-24-cf1r-services/): Energy compliance documentation, flat-fee pricing
- [Pre-Approved ADU Designs (San Jose)](https://9builders.com/san-jose-pre-approved-adu-designs/)
- [Garage Conversions](https://9builders.com/garage-conversions/)
- [SB-9 Feasibility](https://9builders.com/sb-9-feasibility/): Lot-split feasibility review
- [Building a Guest House](https://9builders.com/building-a-guest-house/)
- [Hardscaping & Landscape Design](https://9builders.com/hardscaping-landscape-design/)
- [Code Violation & Red Tag Removal](https://9builders.com/san-jose-code-violation-red-tag-removal-fast-permit-repair-solutions/)

## Guides

- [ADU Permit Times: SF, LA & San Diego Compared](https://9builders.com/adu-permit-times/): How long ADU permitting actually takes across California's three largest cities
- [Contractor Licensing Guides by State](https://9builders.com/contractor-license-lookup/): State-by-state contractor licensing rules
- [Free Planning Tools](https://9builders.com/tools/): ADU cost calculator, permit fee estimator, remodel ROI calculator, and more

## Company

- [About 9Builders](https://9builders.com/about-us/)
- [Portfolio](https://9builders.com/portfolio/): Completed project galleries
- [Contact](https://9builders.com/contact/)

## Languages

9Builders content is also available in Vietnamese, Spanish, Traditional Chinese, Simplified Chinese, and Hindi via language-prefixed URLs:

- Vietnamese: https://9builders.com/vi/
- Spanish: https://9builders.com/es/
- Traditional Chinese: https://9builders.com/zh-hant/
- Simplified Chinese: https://9builders.com/zh-hans/
- Hindi: https://9builders.com/hi/

## Optional

- [sitemap.xml](https://9builders.com/sitemap.xml): Complete machine-readable list of all pages on the site