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 what this city’s homes actually throw at you is harder than it looks. Most of the houses here were built in the 1960s through 1980s on engineered fill that sits over tidal marsh, and that combination creates construction conditions you won’t find in San Mateo or Belmont. You need someone who’s opened enough Foster City walls to know what’s behind them. That’s us. Call (844) 384-3361 and we’ll walk your property, look at what you’re planning, and give you an honest read on what it will take.
Why Workshop Contractors Is Foster City’s Preferred General Contractor Company
We’ve earned our Foster City reputation by handling the structural, not just the cosmetic. Homeowners here call us because we write allowances for what we might find behind drywall before we start swinging hammers. Led by Noel Figueroa, our team carries vetted relationships with 50-plus name-brand manufacturers, which means you’re not juggling a separate vendor for roofing, another for windows, and a third for finishes. One contract covers the whole envelope and the interior. For Foster City, that matters because a kitchen remodel here rarely stops at the kitchen. Slab cracks, aluminum wiring, undersized framing from the Nixon era, moisture intrusion from the bay air: we plan for all of it.
Foster City projects move faster when the contractor already knows what the city inspector will ask about. We do. Dewatering plans, geotechnical sign-offs, updated shear-wall details for seismic code. That local knowledge is the difference between a project that stalls for three weeks in plan check and one that moves on schedule.
Styles & brands we work with







Residential General Contractor in Foster City
Residential General Contractor work in Foster City typically involves tearing into homes built on young fill with shallow groundwater, which means structural reinforcement and waterproofing details most coastal cities never think about. A whole-home remodel here runs $45,000 to $130,000 depending on square footage and what we find once the walls come down. We bring a structural engineer in early, not after problems show up.
Scope, Permits, and the Fill-Soil Reality
Before we bid, we look at the soils report or recommend one. Foster City’s engineered fill settles unevenly, and older homes on slab foundations show it. If your addition ties into existing footings, the city may require a geotechnical review plus dewatering during excavation. We build that into the schedule and the number we give you, so it doesn’t become a surprise change order later.
What Opening the Walls Tells Us
Most 1960s – 1980s Foster City homes have stucco exteriors over wood framing that’s been breathing bay moisture for fifty years. We open a section, check for rot at the mudsill, verify the sill plate bolts, and look at the wiring. If we see aluminum branch circuits or cloth-sheathed cable, that goes into the scope. The permit usually triggers it anyway.
Hire a General Contractor in Foster City
When you hire a General Contractor in Foster City, you’re really hiring someone who can manage the underground problems before they become above-ground disputes. A kitchen remodel here runs $14,000 to $45,000. A bathroom runs $9,000 to $28,000. Those ranges assume we might find bad framing or failed waterproofing behind the existing finishes, and that we handle it without drama.
One Contract, Every Trade
You shouldn’t have to coordinate a plumber, an electrician, a roofer, and a cabinet installer yourself. We run the whole job. That means our roofing knowledge (GAF, CertainTeed, Owens Corning) and our interior material sourcing (Caesarstone, Kohler, Moen) live under the same schedule. If the shower pan needs re-sloping because the slab moved, we catch it when we demo, not after tile is set.
Tying the Interior to the Exterior
Foster City’s moisture-laden air doesn’t care where your property line ends. A bathroom remodel that doesn’t address the exterior stucco crack letting water in is a remodel you’ll redo in five years. We look at the whole house from roof to foundation because that’s the only way scope actually gets covered.
Trusted Brands We Service in Foster City
We source and install from manufacturers our clients recognize and trust. For Foster City kitchens and baths, that includes Caesarstone countertops, Kohler fixtures, Moen faucets, and Blanco sinks. Across the exterior, we work with James Hardie siding, GAF roofing, and PGT windows. Because we carry these brand relationships in-house, material lead times and warranty claims run through us, one call, no vendor finger-pointing. If you have a specific finish in mind, we’ll tell you honestly whether it holds up in Foster City’s damp, salt-touched air or whether a different product in the same tier will last longer here.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Foster City Homes
- Undersized framing behind 1970s drywall. On a Leslie Park ranch, we opened a kitchen wall and found ceiling joists that were never sized for the span. A structural engineer re-specified them, we fixed the issue with a signed change order, and the inspector signed off before drywall went back.
- Aluminum wiring that code won’t let you leave. Once walls are open, Foster City inspectors want to see modern copper branch circuits with proper arc-fault protection. If your remodel touches electrical, budget for the rewire at rough-in.
- Failed waterproofing at the foundation line. The water table here sits high, and older foundations weren’t always dampproofed well. We find efflorescence and mold at the mudsill with some regularity, and we fix it before new finishes cover it.
- Slab settlement from fill consolidation. Foster City’s fill wasn’t always engineered to today’s standards. We’ve seen slab cracks that run under load-bearing walls, and we address the cause, not just the crack, before new tile or flooring goes down.
Pricing for General Contractor in Foster City, CA
Here’s what we tell homeowners in Foster City to expect before we’ve opened a single wall. These are real ranges from projects we’ve run here, not national averages.
| Project | Typical Foster City Range |
|---|---|
| Home Addition | $45,000 – $130,000 |
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
What moves the number most on an older Foster City home is what we find once the walls come down. Undersized framing, aluminum wiring, and failed waterproofing are all fixable, and we write allowances for them into the contract so you’re not blindsided. Call (844) 384-3361 for a free estimate on your specific project, and we’ll walk the house with you before we put a number to it.
We Also Serve Cities Near Foster City
Our crews work throughout the mid-Peninsula. We serve Foster City and the surrounding communities: Redwood Shores, San Mateo, Belmont, and Highlands-Baywood Park. If you’re unsure whether we cover your street, call (844) 384-3361 and ask. Most likely, we’ve been on your block before.
Serving Foster City, CA — Our Local Coverage Area
We’re based in the Foster City area and know this community well, and our Foster City CWS service reflects that local expertise. 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
Foster City was built on engineered fill over tidal marsh, and the city’s planning department knows that fill settles and behaves differently than the native soil found in San Mateo or Redwood City. Any addition that ties into existing footings, or any below-grade work, often triggers a geotechnical review and a dewatering plan. We include that step in our pre-bid inspection so you aren’t surprised by it later. Call (844) 384-3361 if you want us to check your specific lot.
A Foster City scope of work should spell out allowances for likely discoveries: outdated wiring, undersized framing, failed waterproofing at the mudsill, and slab-leveling work. If those line items aren’t in the contract, you’re betting the house won’t have them. We write the allowances in from day one, with unit pricing attached, so every discovery is handled with a fixed change order, not a fight. Call (844) 384-3361 and we’ll show you what a complete scope looks like.
We stop work, bring in the right engineer or trade, and write a change order with fixed pricing before we spend any of your money. You approve it in writing. Then we fix it. On a 1970s ranch in Leslie Park, we found undersized framing and aluminum wiring behind drywall during a kitchen remodel. We documented it, priced the fix, and had the city inspector sign off on the rough-in before we closed anything up. That’s how every surprise gets handled on our jobs.
A draw schedule breaks your project payments into milestones tied to completed work, not calendar dates. For Foster City jobs, we tie draws to inspection sign-offs: rough-in electrical passes, framing passes, waterproofing passes. That way you’re never paying ahead of the work and the city’s own sign-offs confirm the job is moving correctly. Call (844) 384-3361 and we’ll explain the draw schedule for your scope.
Foster City plan check tends to look closer at structural and geotechnical details because of the fill-soil history. That means your permit package may need a soils report, a drainage plan, and updated shear-wall details even for a modest addition. We prepare those documents as part of our scope, and we sit in on any plan check corrections so the ball doesn’t stall in your court. Call (844) 384-3361 to discuss your project’s permit path.
Written by Noel Figueroa, Owner at Workshop Contractors, serving Foster City since 2010.