Skip to content As Portola Valley’s design-build custom home builders, we handle every phase in house, from the first sketch to the final walkthrough, so your new home construction has one team and one point of accountability from start to finish.
Your Home, Shaped Around Your Lot
Here is the direct answer: a true custom home builder shapes your house around your lot and how you live.
They manage the entire process under one roof and carry the project through design, permitting, and construction—without handing you off between separate firms.
A custom home is a house built from scratch for one family, on one lot, with no existing floor plan to reuse. Unlike a production builder working from a repeated floor plan, a genuine custom home builder starts with your lot and shapes the custom home design backward from there.
For Portola Valley, that distinction carries real weight. Lots vary widely in size, slope, and setback, and many blocks fall under architectural review that a production builder is not set up to navigate.m there.
This approach puts you in control of the layout, materials, and every decision that a spec house will not offer.
We design it, plan it, permit it, and build it. When one team controls the direction and the schedule, decisions move faster and your budget stays predictable, because the people drawing the plans are the same team carrying it through.
Every home we build runs under a licensed general contractor, from the first site visit through final inspection. Construction management, subcontractor scheduling, and code compliance sit with one accountable team, not separate firms that only meet at the job site.
We design it, plan it, permit it, and build it. When one team controls the direction and the schedule, decisions move faster and your budget stays predictable, because the people drawing the plans are the same team carrying it through.
Approved plans are converted into permit-ready construction drawings. Our team manages Portola Valley’s review process to minimize delays. Before construction begins, we finalize the scope, schedule, and price, and coordinate financing with your lender when needed.
We design it, plan it, permit it, and build it. When one team controls the direction and the schedule, decisions move faster and your budget stays predictable, because the people drawing the plans are the same team carrying it through.
This is the phase most people picture in the home construction process: framing, structural work, mechanical and electrical rough-in, and finishes. Our team keeps the schedule on track and keeps you informed at every stage, from foundation to final walkthrough.
Approved plans are converted into permit-ready construction drawings. Our team manages Portola Valley’s review process to minimize delays. Before construction begins, we finalize the scope, schedule, and price, and coordinate financing with your lender when needed.
Cost is the first question every homeowner asks, and it deserves a straightforward answer instead of a placeholder figure. What it costs depends on your specific lot, square footage, finish level, and site conditions, not a flat number pulled from a national average.
Setting a realistic number early, before planning begins, keeps things grounded. We walk every homeowner through where the money is going, what drives cost up, such as site difficulty or finish selections, and where there is room to adjust without compromising the vision.
Our goal is to help you understand your options and plan the best path forward for your home.
Homeowners on older Portola Valley lots often weigh a full renovation against starting over with a custom home. A renovation can work when the existing structure has good bones and the layout is close to what you want.
Building new makes more sense when the current floor plan limits you, structural issues run deep, or the lot’s potential is larger than what the current property uses. There is no universal right answer—our recommendation depends on the existing structure, your goals, and what is actually worth keeping.
Yes, in most cases. Portola Valley requires Town Geologist review for new residential construction exceeding 500 square feet, along with any project near mapped fault traces or areas of active ground movement. This review happens early in the process, not as a late-stage surprise, so your design can account for it from the start.
Your allowed floor area is calculated based on your parcel’s acreage, average slope, and whether the site falls within a mapped geologic or flood zone. Steeper or larger lots carry different floor area allowances than flat, smaller parcels, which is why a site evaluation has to happen before finalizing your custom home design.
It depends on your parcel. Some Portola Valley properties are served by the West Bay Sanitary District, while others rely on septic systems reviewed through the County Environmental Health Department. We confirm which applies to your lot during the land and site evaluation phase, since it affects both design and permitting timelines.
Yes. Much of Portola Valley is zoned Residential Estate (R-E), reflecting the town’s larger parcels and rural, low-density character. A custom home here is shaped around that setting, from setbacks to site layout, rather than treated the same way as a compact urban lot elsewhere on the Peninsula.
Certain Portola Valley parcels fall within mapped fire hazard severity zones, which can affect road access, driveway width, and site design requirements. We check your parcel against the town’s current fire hazard mapping during the site evaluation, so those requirements are built into the plan from day one rather than addressed after the fact.
