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 Home Remodeling Across Portola Valley
Home remodeling in Portola Valley is a different animal than it is over the hill. Steep wooded lots, narrow private roads, and a town review process that layers WUI fire-safety and geotechnical rules on top of county code mean your contractor either knows the drill or learns it on your dime. We know the drill. Ashford Contractors has been deep in Portola Valley homes for years, and we understand what it takes to move a remodel through plan check, inspections, and the realities of building on a hillside without burning your schedule or your budget. Call us at (877) 752-3868 to talk through your project.
Why Ashford Contractors Is Portola Valley’s Preferred Home Remodeling Company
Portola Valley homeowners keep calling us back because we treat their houses like the custom, site-specific structures they are. A mid-century rancher off Portola Road doesn’t remodel the same way a newer estate rebuild off Alpine does. We’ve seen both, along with everything in between. Our clients value that we carry one contract and one project manager across kitchen, bath, structural, siding, and exterior work, so nobody’s chasing three subs when a question comes up. We’re also one of the few general contractors in the area with real depth in ADU and prefab systems through Abodu, Dvele, Mighty Buildings, Boxabl, and Plant Prefab, which matters in a town where accessory dwellings are one of the few ways to add square footage without fighting the hillside.
Glen Mossier runs our jobs personally. When a permit question stalls or a geotechnical finding changes the framing plan, the homeowner hears it from the person who actually knows the site, not a call center. That is the whole point of Home Remodeling done as full-scope general contracting.
Styles & brands we work with
Home Remodeling Companies in Portola Valley
Home Remodeling Companies in Portola Valley range from solo operators who mostly do kitchens and baths to full general contractors like us who handle structural, exterior, and site work under one roof. What separates them is how they handle the moment a wall comes open and the scope changes. In Portola Valley, that moment carries extra weight: the town’s WUI fire-safety review and geotechnical layer sit on top of San Mateo County rules, so once a permit is pulled, wall-opening repairs like fire-hardened assemblies, erosion and slide control, and engineered structural upgrades get folded into the same approval before framing can close. A remodeler who hasn’t planned for that will stall your job and then hand you a change order. We plan for it from the first walkthrough.
What the Job Involves Here
A typical Portola Valley remodel touches more systems than a flat-lot job on the Peninsula. Sloping sites mean retaining walls and drainage get pulled into scope more often. Older ranchers hide cloth-wrapped wiring, undersized joists, and waterproofing failures that the permit process forces you to correct. Expect a kitchen remodel to run $14,000 – $45,000 and a bathroom remodel $9,000 – $28,000, with structural and code upgrades adding to the total once walls are open.
When a Homeowner Needs It
Most Portola Valley homeowners call us when they’ve outgrown a floor plan, inherited a dated mid-century original, or bought knowing the house needs real work before it’s safe and comfortable. Retrofitting for fire hardening is also driving a lot of the remodels we quote right now. If your home sits on a steep lot off a private road, the time to bring a contractor in is before you pick a single finish, not after.
Whole House Remodel in Portola Valley
A Whole House Remodel in Portola Valley is rarely a cosmetic exercise. It is a structural and systems project dressed up as new finishes, and treating it as a design-only job is how budgets blow out. When we bid a whole-house remodel here, we walk the foundation, the framing, the electrical panel, the roof, and the drainage before we talk cabinet styles. That’s because the town’s review process will force fire-hardened assemblies, erosion control, and engineered fixes onto the same permit, and those costs need to be in the number from day one, not sprung on you after demo.
Owner’s Realities on a Hillside Lot
Sloped lots off Portola Road and Alpine regularly require engineered retaining, stormwater detention, and sometimes new foundation work before finish trades ever show up. We carry Cambria and Silestone countertops, Kohler and Toto fixtures, and James Hardie siding, but the real value on these jobs is knowing what the geotech report and the WUI reviewer will require before you commit to a floor plan. Home additions in Portola Valley run $45,000 – $130,000 depending on the grading and access challenges.
How We Keep the Number Honest
We write inspection-first allowances into every whole-house contract. On a mid-century rancher off Portola Road, our crew opened a kitchen wall for a load-bearing change and found cloth-wrapped wiring and a subfloor softened by years of failed waterproofing at an old bath rough-in. We stopped, added inspection-first allowances to the scope of work, and priced each surprise as a written change order before touching framing. A state inspector then signed off on the upgraded rough-in before we closed the walls. That’s how Portola Valley jobs should run: the surprise is a line item, not a fight.
Trusted Brands We Service in Portola Valley
We source from a curated roster of 50+ manufacturers so you’re choosing materials, not settling for what one sub happens to carry. On the exterior side, we work with Jerith and Master Halco for aluminum and steel fencing, and Bufftech for vinyl, which matters on Portola Valley lots where fire-resistant perimeter materials and site security go hand in hand. Inside, we quote KraftMaid and Wellborn cabinetry, Cambria and Silestone tops, and Grohe, Toto, Kohler, and Moen fixtures. Because we stock and order from these lines continuously, we’re not waiting on a special-order run when your project hits the rough-in stage. Call (877) 752-3868 and we’ll walk you through what’s in stock or on quick order for your Portola Valley job.
See the difference
Before
After
Before
After
Before
AfterCommon Home Remodeling Problems We See in Portola Valley Homes
- Cloth-wrapped wiring inside walls. Mid-century ranchers all over Portola Valley still have original cloth-insulated romex. The moment a wall opens for a remodel, the permit triggers rewiring to current code, and it’s better to budget for it than discover it at rough-in.
- Failed waterproofing at old bath and kitchen rough-ins. Years of slow leaks soften subfloor and joists. We find this constantly off Alpine and Portola Road, and it always has to be corrected before framing can close.
- Undersized framing in load-bearing walls. Older Portola Valley homes were often built with 2×4 bearing walls that don’t meet current seismic and WUI standards. Opening a wall means upgrading headers and shear, not just hanging drywall.
- Narrow private road access. Roads in the hills off Portola Road and Alpine often can’t accommodate standard dump trucks or concrete mixers. Staging, deliveries, and crane placement become a logistics plan, not an afterthought.
Pricing for Home Remodeling in Portola Valley, CA
We price Portola Valley work honestly, with real ranges for the market. A kitchen remodel runs $14,000 – $45,000 depending on whether you’re doing a refresh or moving walls and rewiring. Bathrooms run $9,000 – $28,000, while a walk-in shower installation lands between $4,500 and $12,000. Cabinetry alone typically runs $4,000 – $13,000, and a home addition on a sloping lot ranges $45,000 – $130,000 because access, geotech, and WUI requirements add real cost. The biggest variable in Portola Valley is what’s inside your walls and what the town makes us fix before we close them. We write those as allowances, priced in writing, before we touch framing. Estimates are free. Call (877) 752-3868.
| Project | Typical Portola Valley Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Cabinet Installation | $4,000 – $13,000 |
We Also Serve Cities Near Portola Valley
Ashford Contractors works throughout the 94028 zip code and the communities around it. We serve Ladera, Stanford, West Menlo Park, and Los Altos Hills on a regular basis, which means our crews and our material suppliers already know the roads, the permit offices, and the access issues that come with hillside and wooded-lot building. If your home sits at the edge of Portola Valley or just over the line, we can still help.
Serving Portola Valley, CA — Our Local Coverage Area
We’re based in the Portola Valley 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 Home Remodeling in Portola Valley
In our experience, you’ll find cloth-wrapped wiring, undersized framing, and often water damage at old plumbing rough-ins. The permit process requires fixing all of it before the wall can close, so plan for those costs in the initial number rather than as a mid-build surprise. Call (877) 752-3868 for a free estimate that accounts for what’s actually behind your drywall.
We write inspection-first allowances into the contract before we start. That means the budget has a realistic line for rewiring, reframing, and waterproofing repairs, and we price any new finding as a written change order you approve before we proceed. Our quotes include the WUI and geotechnical realities, not just finishes. Call (877) 752-3868 to see the difference in writing.
Sometimes yes, sometimes no, and the answer changes the job. We assess road width, turn radius, and weight limits during the estimate, then plan pump trucks, smaller mixers, or staged pours around what the road can actually handle. That planning keeps your draw schedule intact instead of stalling at rough-in. Call (877) 752-3868 and we’ll walk your road before we quote.
A permit in Portola Valley adds review time because of the WUI and geotechnical layers, but it also protects you. The town will require fire-hardened assemblies, erosion control, and structural upgrades that a no-permit job skips. We’ve never had a properly permitted remodel in Portola Valley fail an inspection for doing too much. Call (877) 752-3868 and we’ll explain the timeline for your specific address.
We stop, document the condition, price the fix as a written change order, and get your approval before we touch framing. Then we bring in the inspector, pass the rough-in, and close the wall. No end-run work, no hidden work. That’s how Glen Mossier runs every Portola Valley job. Call (877) 752-3868 for an estimate that accounts for surprises from the start.
Written by Glen Mossier, Owner at Ashford Contractors, serving Portola Valley and the surrounding Peninsula communities.