Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across Foster City
Finding a general contractor in Foster City who understands the lagoon, the fill soil, and the HOA boards is the difference between a remodel that glides through permits and one that stalls for months. We’re Ashford Contractors, and our General Contractor team has worked inside enough Foster City homes to know what the original 1960s builders got right, what they got wrong, and what every upgraded finish has to account for. If you’re planning a kitchen, bath, addition, or exterior overhaul, call (877) 752-3868 for a free estimate. We’ll walk the site, read the soil, and give you a written line-item quote before you spend a dime.
Why Ashford Contractors Is Foster City’s Preferred General Contractor Company
Foster City homeowners hire us because we speak the local language. We know that a “simple” kitchen island on Edgewater Boulevard might need a thickened slab because the whole city sits on engineered fill over bay mud. We know which HOA architectural committees on the Isle of Malta and in the Port Royal neighborhoods require submittals before you change a front door. And we know that the original single-pane aluminum windows on those 1970s ranch homes are the first thing you’ll want gone when the fog rolls in off the lagoon.
Our reputation in Foster City is built on showing up when we say we will and holding the line on written allowances. Glen Mossier, who leads our team, sets one rule for every project: if it’s not in writing, it’s not happening. That’s why homeowners from Redwood Shores to the San Mateo line call us back for second projects. We pull the permits, we schedule the inspections, and we keep the change orders to zero unless you ask for something new.
Styles & brands we work with
Residential General Contractor in Foster City
Residential General Contractor work in Foster City means managing every trade, every permit, and every HOA submittal under one contract. When a homeowner wants a kitchen gutted, a bathroom expanded, or a garage converted to living space, we coordinate demolition, framing, plumbing, electrical, drywall, paint, and finish carpentry without you chasing anyone. In Foster City, where much of the housing stock is 1960s to 1980s planned-community construction, a kitchen remodel typically runs $14,000 to $45,000 and a bathroom remodel lands between $9,000 and $28,000.
Interior Remodels on Fill-Soil Lots
A load-bearing wall doesn’t care that your lot was marshland in 1962. But your foundation does. Before we open any wall that carries structure, we check what’s underneath and whether settlement could crack new tile or pull a cabinet away from the framing. It’s slower than skipping the step. It’s also why our work doesn’t ghost you three years later.
Windows, Roofs, and Exterior Envelopes
The fog and salt air off the lagoons are gentle on roofs but hard on original windows and siding. Ashford works with James Hardie siding, GAF and Owens Corning roofing, and Therma-Tru doors so your exterior upgrade matches the architectural character your HOA expects and the moisture resistance your lot demands.
Hire a General Contractor in Foster City
Hire a General Contractor in Foster City when the project touches more than one system and you don’t want to be the project manager. If you’re replacing cabinets and the plumbing is original galvanized, or you’re adding a bathroom and the electrical panel is at capacity, that’s not a handyman call. That’s a coordinated scope. We handle it as one job with one project manager and one schedule, so you’re not calling a plumber on Tuesday and an electrician on Thursday and wondering why the tile guy didn’t show.
Kitchens and Baths as Package Projects
On Foster City ranch homes, kitchen and bathroom remodels often happen together because the original layouts share walls and plumbing stacks. Running both scopes simultaneously saves demolition days and usually trims two to three weeks off the total schedule. Cabinet installation ranges from $4,000 to $13,000; countertops from $2,000 to $6,500.
Additions and ADUs
We’re one of the few Foster City general contractors equipped to do a second-story addition or an ADU on a lagoon-adjacent lot. Expect a home addition at $45,000 to $130,000 and an ADU at $90,000 to $220,000, with geotechnical work included because it’s non-negotiable on this soil. We source from Abodu, Dvele, and Plant Prefab when prefab makes sense for the lot.
Trusted Brands We Service in Foster City
Our Foster City customers don’t get whatever is on the truck that morning. We source from 50+ name-brand manufacturers so you choose your tier: KraftMaid or Wellborn cabinetry, Cambria or Silestone counters, Kohler and Grohe fixtures. For fencing, we work with Ameristar, Jerith, and Bufftech, and we keep the lead times short because we know Foster City backyards face the lagoon wind. That means less waiting between order and install, and fewer surprises when the material lands.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Foster City Homes
- Bay mud settlement cracking new finishes. We get called after a homeowner skips the geotechnical report, adds a load-bearing wall, and six months later the new backsplash is showing hairline cracks at the seam. The fix means a thickened slab or deep piers. The time to address it is before the cabinet goes in.
- HOA submittals bouncing back weeks into a remodel. Foster City’s architectural review boards are exacting. Ordering materials before approval means a rejected submittal can strand a pallet of siding or a custom door on site with nowhere to go. We clear the paperwork first.
- Voided builder warranties from unpermitted changes. Altering a moisture barrier or structural component without written builder approval voids the warranty. We see it on townhome remodels where a prior handyman “just moved a wall.” The homeowner discovers the void when the stucco fails and the builder walks.
- Lagoon-side decks reaching end of life at the same time. The 1970s timber decks over the water are aging out in clusters because they were built in the same decade. Pilings driven into bay mud need marine-grade hardware and dual permits. This isn’t a Trex swap; it’s structural work over water.
Pricing for General Contractor in Foster City, CA
Foster City pricing runs slightly above the San Mateo County average because fill-soil lots often require geotechnical review, dewatering during foundation work, and HOA compliance documentation. Here’s what we quote for the most common scopes right now:
| Project | Foster City Price Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
Your estimate is free. We write line items, not round numbers, and we hold allowances in writing so a slab that needs more concrete is agreed on before the truck arrives. Call (877) 752-3868 to schedule yours.
We Also Serve Cities Near Foster City
Our crews work the whole Mid-Peninsula corridor from Foster City outward. That includes Redwood Shores, San Mateo, Belmont, and Highlands-Baywood Park, where the housing stock and HOA rules are close cousins to what you find here on the lagoon. If you’re a few miles over the city line, the same estimate process applies.
Serving Foster City, CA — Our Local Coverage Area
We’re based in the Foster City area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About General Contractor in Foster City
Yes, in most cases. Even a same-layout kitchen remodel on a fill-soil lot involves permits, plumbing reconnects, electrical updates, and finish coordination. You can act as your own contractor under California law, but the liability and the schedule are yours. Call (877) 752-3868 and we’ll tell you honestly whether your project is a $14,000 refresh or something smaller.
Fill soil means any new wet area, curbless shower, or floor-level change needs a moisture barrier and often a leveling compound to keep the finished tile from settling unevenly. We sometimes need a geotech opinion before rough-in starts. That’s standard for Foster City bathrooms and one reason a small bathroom remodel here runs $5,000 to $12,000.
Each HOA has its own architectural review process, but common requirements include submittals for exterior changes, window and door style approval, deck material restrictions, and noise windows for construction. We pull the HOA guidelines before a single material is ordered so your renovation doesn’t stall at the committee stage.
Yes. On a lagoon-front street in the Isle of Malta neighborhood, our crew replaced a failing 1970s timber deck over the water, driving new pilings into bay mud and using marine-grade hardware; we pulled both HOA and city permits and scheduled inspections to align with the draw schedule. The homeowner also wanted a kitchen refresh, so we scoped cabinet installation with KraftMaid and Cambria counters, keeping allowances in writing to avoid a change order.
Geotech first, then design, then HOA submittal, then city permits, then construction. Because every Foster City lot is on engineered fill over bay mud, even a minor remodel can trigger settlement concerns. We’ve seen a 1970s Eichler-influenced ranch where a new kitchen island required a thickened slab to prevent differential movement that wouldn’t be an issue on natural soil. Home additions run $45,000 to $130,000 depending on whether you go up or out.
Written by Glen Mossier, Owner at Ashford Contractors, serving Foster City and the Mid-Peninsula since our first lagoon-side project over a decade ago.