HOME ADDITION CONTRACTOR
More Space Without Moving
KCK Construction & Remodeling designs and builds home additions that look like they were always part of the house. We serve homeowners in Concord, Walnut Creek, San Ramon, Danville, Blackhawk, Orinda, Lafayette and across the Bay Area, handling plans, engineering coordination, permits and construction.
Addition Types
01
Room Additions
Family rooms, bedrooms, home offices and expanded kitchens.
02
Primary-Suite Additions
New bedroom, walk-in closet and spa-style bathroom wings.
03
Second-Story Additions
Adding a full or partial upper floor, including structural upgrades to the existing house.
04
Bump-Outs
Smaller expansions for kitchens, bathrooms and dining areas.
05
Garage Conversions
Turning an existing garage into finished, permitted living space.
06
Matching Finishes
Siding, roofing, trim and interior finishes matched to your existing home.
BUILT FROM THE GROUND UP
What Goes Into a Successful Addition
An addition is new construction tied into an existing home. Our crew handles every phase, from the foundation to the final finishes, so the new space is structurally sound, code-compliant and seamless with the house.
— Site and structural evaluation of the existing home
— Plans and engineering through licensed partners
— Foundation, framing, roofing and tie-in to the existing structure
— Electrical, plumbing, HVAC and Title 24 energy compliance
OUR WORK
Addition Projects
HOW IT WORKS
Our Home Addition Process
01
Consultation
Site visit, goals and feasibility review.
02
Design & Engineering
Plans and engineering through licensed partners.
03
Permits
Permit submittal and plan-check coordination.
04
Construction
Foundation, framing, systems and inspections.
05
Finish & Walkthrough
Finishes matched to your home and final walkthrough.
SERVICE AREAS
Home Additions 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