ADU Services – Accessory Dwelling Units
Welcome to California Development and Renovation, where we’ve been delivering top-notch construction and remodeling services across the San Francisco Bay Area for over 20 years. Whether you’re dreaming of expanding your home or maximizing your property’s potential, we specialize in designing and building beautiful, efficient Accessory Dwelling Units (ADUs) that fit your space, style, and budget.
What is an ADU?
An Accessory Dwelling Unit, sometimes called a granny flat, in-law suite, backyard cottage, or garage apartment, is a secondary housing unit on a single-family residential lot. These independent living spaces include their own kitchen, bathroom, and entrance — perfect for family members, guests, renters, or even as your personal retreat or home office.
With housing costs rising and Bay Area properties in high demand, ADUs are a smart, flexible solution that increases your property’s value and functionality.
Why Choose California Development and Renovation for Your ADU Project?
✔ Over 20 Years of Proven Excellence
Our team brings decades of construction experience, a strong local reputation, and a deep understanding of Bay Area building codes, permitting processes, and property layouts. We know how to navigate city requirements and streamline the process for you.
✔ Full-Service Design + Build
From concept to completion, we handle every part of your ADU project. Whether you’re starting with an empty backyard or converting a garage, we’ll guide you through design, permits, site prep, utilities, and final construction — so you don’t have to juggle multiple contractors or vendors.
✔ Customized to Fit Your Needs
Every homeowner and property is different, and we design your ADU to fit your lifestyle and future goals. Whether you need a rental unit for extra income, a cozy guesthouse for family, or an office away from your main living space — we’ve got you covered.
✔ Budget-Friendly, Quality Construction
We offer transparent pricing, realistic timelines, and quality materials. Our goal is to deliver lasting results that feel like a natural extension of your home — not just an add-on.
Types of ADUs We Build
- Detached ADUs
Standalone buildings built in your backyard or open lot space. Great for privacy and independence. - Attached ADUs
Add-ons to your existing home that share one wall but function as separate living quarters. - Garage Conversions
Turn an underused garage into a fully livable space. - Basement or Interior Conversions
Make the most of existing square footage by converting interior space into a separate living unit.
What’s the Process Like?
- Free Consultation
We start by meeting with you to understand your needs, ideas, and budget. - Site Evaluation & Feasibility<br” />We assess your property’s layout, city regulations, and zoning requirements to determine the best options.
- Design & Planning
Our design team creates a custom layout with 3D renderings, floor plans, and material options. - Permitting
We handle all city paperwork, submissions, and inspections — so you don’t have to stress. - Construction
Our skilled team gets to work, staying on schedule and keeping you updated every step of the way. - Final Walkthrough
Once complete, we’ll walk you through your new space and make sure everything is perfect.
Why ADUs are Popular in the Bay Area
- High rental demand – create passive income
- Housing for extended family or elderly parents
- Increases property value
- More flexible use of your land
- Cost-effective alternative to moving or upsizing
Let’s Build Something Great Together
At California Development and Renovation, we believe in craftsmanship, transparency, and treating every home like it’s our own. Whether you’re ready to break ground or just exploring your options, we’re here to help you create a functional, beautiful ADU that adds long-term value.
📍 Proudly serving homeowners and businesses across the San Francisco Bay Area
📞 Contact us today for a free consultation: 415-974-1234
