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 Portola Valley
Most Portola Valley remodels hit the same wall: the permit review flags the WUI overlay, the heritage oak on the property line needs a protection plan, and the lane is too narrow for a standard delivery truck. None of that is a surprise to us. Our General Contractor team has worked enough projects off Portola Road, Alpine Road, and Westridge to know exactly what the Town requires before a single wall comes down. We quote the job with those conditions priced in, not discovered later. Call (833) 725-3508 to schedule a free estimate, and we’ll walk the property before we put numbers in front of you.
Why Brookside Contractors Is Portola Valley’s Preferred General Contractor Company
Homeowners here don’t tolerate contractors who treat Portola Valley like any other Peninsula zip code. The housing stock is different: large custom homes on wooded multi-acre lots, a mix of mid-century ranchers and newer rebuilds, often with redwood or cedar siding and wood decks that are now being replaced or retrofitted to comply with WUI ignition-resistant standards. We know this because we’ve pulled the permits, cleared the inspections, and done the work. Nate Burrell, who leads Brookside Contractors, has built our process around the specific friction points Portola Valley creates: defensible space reviews, heritage-oak protection plans, and material shuttles up private lanes where a full-size truck simply cannot reach the site.
Our reputation in 94028 comes from handling those conditions without drama. We write allowances into the contract for the surprises that older homes routinely reveal, and we get pricing approved in writing before any change is made. That’s why Portola Valley homeowners bring us back for their second and third projects, and why a large share of our work here is repeat or referral business.
Styles & brands we work with







Hire a General Contractor in Portola Valley
Hire a General Contractor in Portola Valley when the scope spans multiple trades and you want one accountable point of contact. Single-trade contractors hand off the baton between demolition, framing, electrical, plumbing, and finishes. We don’t. Brookside Contractors runs the full project, from structural work through finished surfaces, under one license and one coordination chain. Nate Burrell’s team inspects before demolition, writes allowances for hidden conditions, and schedules every trade in sequence so you’re never the one chasing subcontractors.
Inspection-First Remodeling
We open walls only after we’ve scoped what’s behind them. Old knob-and-tube wiring, undersized framing, failed waterproofing, dry rot at shear walls. These are common in Portola Valley’s aging custom homes, and they’re exactly what triggers change orders on the cheap quotes. Our process finds them early and prices them before work starts, not after the budget is blown.
Accountable Project Management
One contractor means one schedule, one point of contact, and one person who owns the outcome. If a trade slips, we absorb the coordination cost instead of leaving it to the homeowner. That’s the advantage Portola Valley clients tell us they value most.
General Contractor Services in Portola Valley
General Contractor Services in Portola Valley cover the full property, not just what’s inside the front door. We handle kitchen and bathroom remodels, whole-home renovations, room additions, and ADU construction, plus the exterior scope most remodeling-focused GCs won’t touch: roofing, siding, window and door replacement, fencing, and hardscaping. If the project involves Belgard or Techo-Bloc pavers for a patio or driveway, that stays on our schedule too, not handed off to a landscape sub. For a detailed look at our broader capabilities, see General Contractor in Portola Valley.
Kitchen and Bath Remodels
Kitchen remodels in Portola Valley typically run $14,000 to $45,000 depending on cabinet grade, countertop selection, and whether the layout changes. Bathroom remodels range from $9,000 to $28,000. We match the material to the project: cabinet lines spanning value through KraftMaid and Wellborn, countertops from Silestone through Cambria and Caesarstone, and plumbing fixtures across the full market including Kohler, Moen, and Grohe.

Additions and ADUs
Home additions in Portola Valley run $45,000 to $130,000, and ADU construction runs $90,000 to $220,000. Both trigger the same WUI review and tree-protection scrutiny. We’ve built with prefab systems including Abodu and Dvele where the site and lane access make modular a smarter choice than stick-built.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Portola Valley
We’re not locked into one supplier’s catalog, and that matters when you’re choosing materials you’ll live with for decades. For local hardscaping in Portola Valley, we regularly work with Belgard, Unilock, and Techo-Bloc. For roofing: GAF and Owens Corning. Siding: James Hardie. Windows and doors: PGT, CGI, Therma-Tru, and ECO Window Systems. The point is you choose the quality tier, and we deliver it. Because we quote from the actual brand spec, not a default one-size-fits-all, we can give Portola Valley homeowners honest line-item pricing at whatever budget level they’re working within.
Common General Contractor Problems We See in Portola Valley Homes
- Hidden knob-and-tube wiring and undersized framing. Mid-century ranchers off Portola Road and Alpine Road frequently have original wiring and framing that fails current load calculations once walls are open. We include a pre-demolition inspection and write allowances into the contract so those upgrades are priced, not discovered.
- WUI overlay compliance gaps. The Town’s wildfire defensibility rules require noncombustible siding, ember-resistant vents, and ignition-resistant deck materials on many lots. We’ve seen multiple projects where another contractor’s quote ignored these requirements, and the homeowner ate the cost after permits were pulled.
- Heritage-oak protection delays. Mature oaks line many Portola Valley properties, and a protection plan must be filed before structural work starts near the root zone. We coordinate that early so it doesn’t stall the schedule.
- Narrow-lane access and material staging. Standard delivery trucks can’t climb many of Portola Valley’s private, winding lanes. We schedule shuttle vehicles and staging areas ahead of time, which keeps material flowing without blocking a neighbor’s driveway.
See the difference
Before
After
Before
After
Before
AfterPricing for General Contractor in Portola Valley, CA
We believe Portola Valley homeowners deserve real numbers before they sign, not vague ranges that balloon later. Here’s what we typically see for common scopes in 94028:
| Project | Typical Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
What moves the number: cabinet grade and countertop choice, whether structural work is required, and how much WUI-compliant exterior scope is triggered. We write allowances and line-item pricing so you see exactly where every dollar goes. No change orders unless you approve them in writing first. Call (833) 725-3508 for a free estimate, and we’ll give you a fixed, written scope of work.
We Also Serve Cities Near Portola Valley
Brookside Contractors works throughout the surrounding Peninsula communities, including Ladera, Stanford, West Menlo Park, and Los Altos Hills. Many of our Portola Valley clients have referred us to friends and family in those towns, and our process translates well: inspection-first, allowances written in, and one accountable team from foundation to final walkthrough.
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 General Contractor in Portola Valley
We inspect before we demolish, so most surprises are found and priced before work begins. For what we cannot see until walls are open, we write specific allowances into the contract, and any overage is presented to you in writing for approval before we proceed. On a mid-century rancher off Portola Road, we opened the kitchen wall for a remodel and found knob-and-tube wiring and undersized framing that failed load-bearing calculations. Our inspection-first process meant those surprises were priced and approved in writing before we touched them, and we scheduled material shuttles to navigate the narrow private lane. Call (833) 725-3508 if you’re planning a remodel and want this level of certainty on your project.
Opening walls beyond cosmetic scope typically triggers electrical, plumbing, and structural upgrades to current code, and the WUI overlay adds its own review layer. We identify which upgrades your permit will require during the estimate phase and price them into the contract rather than treating them as change orders. That means your quote reflects the real cost of the job, not an artificially low number designed to win the bid.
The WUI overlay requires a separate ignition-resistant construction review before any structural permit is issued, and projects often must include noncombustible siding, ember-resistant vents, and ignition-resistant decking. We factor these requirements into the quote from day one. If you’re replacing a wood deck as part of a remodel, expect the replacement materials to meet the Town’s current standards.
Yes. Every Brookside Contractors project includes a written scope of work, a line-item budget, and a construction schedule before the contract is signed. You’ll know the sequence of trades, the timing of major milestones, and when key material selections are due. This is standard practice for us, not an add-on.
We coordinate shuttle deliveries and staging areas whenever a private lane cannot accommodate full-size trucks. Many Portola Valley lanes are tight, winding, and lined with mature trees, so we pre-arrange access and schedule deliveries in smaller vehicles to avoid blocking neighbors or damaging tree canopies. We’ve done this enough times that it’s built into our standard logistics planning.
Ready to Start Your Portola Valley Project?
Call (833) 725-3508 to schedule a free estimate. We’ll walk the property with you, identify the WUI and tree-protection constraints up front, and give you a written quote that reflects the real scope of work, not a lowball number that changes once permits are pulled. Built to your spec, managed from start to final walkthrough.
Written by Nate Burrell, Owner at Brookside Contractors, serving Portola Valley.