No handoffs
Design, permitting and construction sit with one accountable team — nothing gets lost between a design firm and a separate contractor.

Walnut Creek, California
Bay Harbor Remodeling and Construction renovates kitchens, baths and whole homes, transforms yards, and builds ADUs across the East Bay — licensed, permitted and finished on schedule.
Why homeowners choose us
Design, permitting and construction sit with one accountable team — nothing gets lost between a design firm and a separate contractor.
Line-item proposals instead of vague allowances, so you can see exactly what each part of the project costs.
We prepare drawings and handle city submittals ourselves, so your project doesn't stall waiting on plan review.
A single point of contact, weekly updates and a clean job site from demolition through the final punch list.
What we build
Instead of juggling a designer, a landscaper and three subs, you get a single licensed general contractor managing the whole project.
Layouts, cabinetry and durable finishes chosen around how your family actually cooks and gathers.
Learn more →Spa-level comfort with practical storage and waterproofing detailed to hold up to daily use.
Learn more →Open-concept conversions and whole-room redesigns that make everyday rooms feel intentional again.
Learn more →Added square footage that matches your home's existing architecture, inside and out.
Learn more →Ground-up builds managed by one team from foundation to final finish.
Learn more →Detached units, JADUs and garage conversions for rental income, family or long-term value.
Learn more →Design and construction under a single point of contact, with in-house permitting.
Learn more →Pools, spas, decking and the landscape around them built as one project.
Learn more →Seismic bracing, anchor bolting and foundation repair with engineered plans.
Learn more →
ADUs & garage conversions
California ADU rules make it easier than ever to build a guest suite, rental unit or home office in your backyard. We handle feasibility, design, city approvals, utilities and construction from start to finish.
Recent work
A sample of remodels and outdoor builds across Walnut Creek and neighboring East Bay towns.
View the full portfolio



How it works
We visit the property, listen to your goals and talk honestly about scope and budget range.
Plans, selections and a line-item proposal — no vague allowances or hidden line items.
We handle city submittals and inspections so the build stays on the right side of code.
One project manager, a clean site, weekly updates and a final walkthrough punch list.
Get in touch
Call, email, or send a few details and we'll set up a free on-site walkthrough in Walnut Creek and the surrounding East Bay.
Service area
Based in Walnut Creek, we work throughout Contra Costa, Alameda and southern Solano counties. If your city is on this list, we can be on site for a walkthrough.
Field notes

Wall cracks, sticking doors, or earthquake damage? Learn the warning signs of foundation problems and how licensed foundation repair fixes them from the root. Free inspection.

Bay Harbor Remodeling is a licensed, bonded and insured kitchen remodeling contractor serving Walnut Creek, Danville, Concord, Lafayette, San Ramon and the wider East Bay — with in-house 3D design, permitting and construction under one team.

Erosion control, retaining walls and terraced gardens — how we turn steep Walnut Creek hillside lots into safe, usable outdoor living space.

Compare artificial turf and real grass sod on cost, maintenance, durability and California climate so you can pick the right lawn for your yard.

What homeowners in Walnut Creek and nearby cities should expect when permitting a backyard ADU: zoning checks, plan submittal, review timelines and inspections.

Solar lighting, xeriscaping, composite decking and smart irrigation — straight answers on the outdoor upgrades that actually cut costs.

How a seismic foundation retrofit works, the warning signs to watch for, and why bolting and bracing an older East Bay home pays for itself.

Landscape, hardscape, lighting and custom detail — the front yard elements that raise curb appeal and property value in the East Bay.

Garden layouts, patios, retaining walls, outdoor kitchens and fire pits — how landscape and hardscape work together in an East Bay backyard.

Turn an unused garage into a rental unit, guest suite or home office — permits, structure, plumbing and layout for a garage ADU conversion.

Drought-tolerant planting, mulch, reduced lawn and drip irrigation — practical ways to keep an East Bay yard looking good through summer.

Demo to final walkthrough: how a full kitchen remodel actually sequences, where delays come from, and how to keep your project moving.

Outdated wiring is a fire and efficiency risk. The warning signs, what Title 24 and CALGreen require, and why homeowners are rewiring now.

Pre-approved ADU plans in Oakland, Berkeley, Walnut Creek and Concord — plus the rental income and property value case for building one.

How Title 24 and CALGreen-compliant remodeling lowers utility bills, improves comfort and keeps your East Bay home future-ready.

Hardscape, drainage and drought-tolerant planting strategies that hold up to Contra Costa summers without a thirsty lawn.
Send a few details and we'll set up a free on-site consultation in Walnut Creek or anywhere in the East Bay — usually within one business day.