ADU BUILDER · CONTRA COSTA & ALAMEDA
Accessory Dwelling Units, Planned and Built From the Ground Up
An accessory dwelling unit can house family, create rental income and add long-term value to your property. KCK Construction & Remodeling builds ADUs for homeowners in Concord, Walnut Creek, San Ramon, Danville, Orinda, Lafayette and across Contra Costa, Alameda, San Francisco and San Mateo counties, under California ADU law.
Types of ADUs We Build
01
Detached ADUs
Stand-alone backyard cottages with their own kitchen, bathroom, entry and utilities.
02
Attached ADUs
Additions connected to the main house with a separate entrance.
03
Garage Conversions
Converting an existing garage into a legal living unit with insulation, windows, kitchen and bath.
04
Junior ADUs (JADUs)
Units of up to 500 square feet created within the existing home.
05
Rental-Ready Finishes
Durable, attractive kitchens, baths and flooring built for long-term rental use.
06
Utilities & Title 24
New sewer, water and electrical service sized for the unit, with Title 24 energy compliance.
GARAGE CONVERSIONS
Turn an Unused Garage Into a Legal Living Unit
Many of our ADUs start as an existing garage. We insulate, frame, add windows, kitchen and bath, and bring every system up to code, turning wasted space into a permitted home for family or tenants.
— Insulation, drywall and energy-efficient windows
— New kitchen and full bathroom
— Plumbing, electrical and HVAC brought to code
— Permits, inspections and certificate of occupancy
OUR WORK
ADU Projects
HOW IT WORKS
Our ADU Process
01
Feasibility
Lot size, setbacks, utilities, sewer and fire access.
02
Design & Plans
Floor plan, elevations and Title 24, with engineering through licensed partners.
03
Permits
City or county plan check and corrections.
04
Construction
Foundation, framing, roofing, MEP, insulation, drywall and finishes.
05
Final Inspection
Final inspection and certificate of occupancy.
SERVICE AREAS
ADU Construction Across the Bay Area
Contra Costa County
Concord · Walnut Creek · Pleasant Hill · Lafayette · Orinda · Moraga · Danville · Alamo · Blackhawk · San Ramon · Martinez · Antioch · Brentwood · Richmond
Alameda County
Oakland · Berkeley · Alameda · Pleasanton · Dublin · Livermore · Hayward · Fremont
San Francisco & San Mateo
San Francisco · Daly City · Pacifica · San Mateo · Burlingame · Redwood City
Licensed, Bonded & Insured · CSLB License #1112279 · 1341 Galaxy Way, Unit D, Concord, CA 94520