OT Bay Builders

1580 Oakland Road, San Jose, CA 95131 41.6 miles

OT Bay Builders is a complete remodeling company with over 40 years of combined experience amongst our team. We’re expert Bay Area ADU builders in San Jose with a customer-first mindset. As a full-service ADU builder, you can trust us to remain by your side from the first consultation to the final walkthrough.

Adria Design + Build

648 Paco Drive, Los Altos, CA 94024 37.2 miles

We guide you through design options and material choices, taking precise measurements to create a custom plan that perfectly fits your property. This careful planning ensures that your new ADU will seamlessly blend with your existing space and meet all your functional needs.

ELS Home Builders

1055 East Brokaw Road, San Jose, CA 95131 41.3 miles

Luxury Builds Turnkey Solutions

ELS Home Builders specializes in ADU design and construction across San Jose, Palo Alto & the SF Bay Area. Services include granny flats, in-law suites, garage conversions & detached ADUs for multigenerational living.

King David Construction

3000 El Camino Real, Palo Alto, CA 94306 33.6 miles

Luxury Builds

King David Construction is a Palo Alto ADU contractor offering full-service design, permitting & construction across the Bay Area. Specializing in detached ADUs, garage conversions & in-law suites.

Element Home Remodeling

800 West El Camino Real, Mountain View, CA 94040 36.7 miles

Element Home Remodeling is a Mountain View ADU contractor offering full design-build services in Silicon Valley. They specialize in garage conversions, backyard cottages, in-law suites & rental units, serving Palo Alto, Sunnyvale & San Jose.

Cupertino ADU Solutions

10320 North De Anza Boulevard, Cupertino, CA 95014 42 miles

Eco-Friendly

Cupertino ADU is Silicon Valley's premier ADU builder, specializing in accessory dwelling units for rental income, intergenerational living, home offices, and eco-friendly housing solutions tailored to Cupertino homeowners.

Ingenious General Construction

2890 North Main Street, Walnut Creek, CA 94597 13.3 miles

Licensed 20 years in business Luxury Builds

Ingenious General Construction is a BBB-certified, licensed contractor in Walnut Creek, CA, serving the East Bay. With 20 years of experience, they offer ADUs, kitchen & bathroom remodeling, home additions, pool construction, and landscaping.

Adapt Dwellings

5944 Claremont Avenue, Oakland, CA 94618 3.9 miles

Licensed

ADUs add rental income & property value. Services include garage conversions, detached ADUs, JADUs & granny flats. ADU Feasibility Studies cover code, utilities & ROI. Architectural services via Adapt Dwellings ensure smooth approval to construction.

Second Dwellings

100 Higgins Canyon Road, Half Moon Bay, CA 94019 31.5 miles

Dwelling Lab

21 El Caminito, Walnut Creek, CA 94598 13.8 miles

Dwelling Lab is an Oakland-based ADU design firm offering full-service planning, schematic design, construction drawings, permitting, and construction oversight for detached ADUs, attached additions, and garage conversions.

DevArt8 Builders

1828 South Milpitas Boulevard, Milpitas, CA 95035 40 miles

Luxury Builds

DevArt8 Builders specializes in ADU construction in Gilroy, offering floor plans from 350–650 sq. ft. They handle permits, ensure zoning compliance, and build detached ADUs, attached units, and garage conversions tailored to each property.

Home Revive Builders

15559 Union Ave #234, Los Gatos, CA 95032 49.1 miles

Licensed Luxury Builds

Home Revive Builders is a licensed ADU contractor in the Bay Area, CA, specializing in garage conversions, detached ADUs, in-law suites, and more. Full-service projects include design, permits, plumbing, electrical, and finishing.

Haus+

Corte Madera, CA 94925 12.5 miles

Prefab Specialist Eco-Friendly

Haus+ is a Bay Area ADU builder offering turnkey accessory dwelling units for California homeowners. They handle design, permitting, and construction using a panelized hybrid method, with all-inclusive upfront pricing and in-house financing available.

Lion ADU Builders

456 Cavour Street, Oakland, CA 94618 5.9 miles

Lion ADU Builders is an Oakland ADU contractor offering detached ADUs, garage conversions, in-law suites, and custom builds. They manage design, permits, and construction, helping homeowners add space and property value across the Bay Area.

9 Builders

San Jose, CA 95122 46.4 miles

Licensed Eco-Friendly Luxury Builds

9 Builders is a Bay Area ADU contractor offering full-service design, permits & construction. Specializing in detached ADUs, garage conversions & additions, costs range $150K–$350K, taking 8–14 months to complete.

Other cities in California

What you need to know

ADU Contractors in Albany, CA: Building in One of the Bay Area's Most Densely Populated Cities

Albany, California is one of the smallest and most densely populated cities in the entire Bay Area, covering just 1.8 square miles with a population of over 20,000 residents. This unique characteristic makes Accessory Dwelling Units (ADUs) an especially popular solution for homeowners looking to maximize their property's potential. Whether you're looking to house extended family, generate rental income, or increase your home's value, hiring experienced ADU contractors in Albany, CA is the critical first step toward a successful project.

Albany ADU Regulations and Zoning Requirements

Before breaking ground, it's essential to understand that Albany falls under both City of Albany zoning codes and California state ADU laws, including AB 68 and SB 9. Albany's Planning and Building Department oversees all ADU permits, and contractors must navigate specific local requirements, including:

Types of ADUs Albany Contractors Commonly Build

Experienced ADU contractors serving Albany, CA are well-versed in building various types of units suited to the city's compact lot sizes and existing housing stock, which includes many older Craftsman and bungalow-style homes. Common ADU types include:

Why Hiring a Local Albany ADU Contractor Matters

Working with a licensed and experienced ADU contractor familiar with Albany's building department can save you significant time and money. Local contractors understand the nuances of Albany's permit process, its aging infrastructure, and the architectural styles common to the area. They can also help you take advantage of California's ADU fee waivers for units under 750 square feet, reducing your overall project costs.

When selecting an ADU contractor in Albany, always verify their California Contractors State License Board (CSLB) license, check references, and request a detailed written contract. With the right team, your Albany ADU project can be a seamless and rewarding investment.

ADU Contractors near Albany, CA