







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across Hillsborough
General contractor work in Hillsborough runs $9,000 for a small bathroom remodel up to $220,000 for ADU construction, with most kitchen and whole-home projects falling between $14,000 and $130,000. Every project here moves through the Architectural Review Board before permits issue, so lead times on custom millwork and specialty finishes drive the calendar more than labor availability. Call (949) 850-9896 to schedule your free estimate, and we’ll walk you through the sequencing that keeps Hillsborough estates on track.
We’re the General Contractor team families call when the house has to stay livable with kids and pets underfoot. Our crews serve Hillsborough from our San Francisco Bay Area dispatch office, and we’ve learned the city’s rhythms: the building department’s scrutiny, the tree-ordinance holds, the half-acre lots where a renovation touches three generations of infrastructure. Drop cloths go down before tool boxes. Shoe covers at every door. Quiet tools during nap hours where the schedule allows. And a written price before any work starts, stamped with our 365-Day Done Right Promise.
Why Elmstead Remodeling Is Hillsborough’s Preferred General Contractor Company

Hillsborough homeowners know their general contractor before they know their neighbor. Word travels on the Peninsula, and we’ve built our reputation one estate at a time, from the 1920s Spanish Colonial Revivals near Burlingame Avenue to the hillside custom builds off Skyline Boulevard. Our reviews come back with the same details: the crew asked before moving the piano, the photo of the clean-up actually matched the promise, the price on the final invoice matched the price on the first page.
Response time to Hillsborough is same-day for estimates, because our Bay Area office coordinates dispatch locally. We know which permits route through San Mateo County and which sit with Hillsborough’s own building department. We know the difference between a project that needs the Architectural Review Board’s design approval and one that clears on a technical review. That local knowledge saves weeks.
Graham Stein leads every project with the Cedarwell Care Promise: Clean up like it’s our own home. Ask before we move or touch anything. Respect the family’s time and quiet hours. Explain the price before the work. Background-checked, uniformed technicians. Live person on the phone, 24/7, no voicemail, no bot.
Styles & brands we work with







Residential General Contractor in Hillsborough
Residential General Contractor work in Hillsborough means coordinating period-accurate restoration with modern seismic-code compliance on estates where the housing stock averages 70 to 100 years old. A typical kitchen remodel runs $14,000 – $45,000, a bathroom remodel $9,000 – $28,000, and whole-home renovations scale from there depending on whether we’re matching original clay roof tile or opening load-bearing walls for open-concept living.
On an upper-elevation estate off Crystal Springs Road, our crew opened a 1930s Spanish Colonial Revival gut and found knob-and-tube wiring, galvanized plumbing, and an unreinforced masonry chimney inside a wall we needed to bring load-bearing. We married period details, Wellborn custom cabinetry and Cambria quartz, to a new cripple-wall system and copper rough-in, then hit a tree-ordinance hold when the drip line of a mature coast live oak crossed our utility trench, so we brought in a certified arborist for a root-zone plan before inspection sign-off.
Custom Millwork and Long-Lead Sequencing
The real schedule driver in Hillsborough isn’t the crew’s calendar, it’s the millwork shop’s. Wellborn and KraftMaid cabinets run 8 – 12 weeks. Cambria slabs, 4 – 6 weeks. Architectural glass, specialty steel, imported tile, longer. We write the price before we order, and we don’t order before the Architectural Review Board signs off. That sequencing protects your draw schedule and our 365-Day Done Right Promise.
Designer and Architect Coordination
Most Hillsborough projects involve an architect or interior designer, sometimes both. We coordinate directly, attend ARB presentations when invited, and build our scopes from construction documents rather than verbal direction. The written price reflects the drawings, change orders reflect documented revisions, and the photo of the clean-up before we leave proves we treated the collaboration seriously.
Hire a General Contractor in Hillsborough

Hire a General Contractor in Hillsborough when your project crosses trades, requires permitting through the Architectural Review Board, or involves structural, electrical, and plumbing work on an estate with original 1920s – 1950s systems. A room addition runs $45,000 – $130,000. ADU construction, $90,000 – $220,000. Basement finishing and deck construction fall within similar ranges depending on grade, foundation work, and exterior finishes.
We serve Hillsborough families who need the house left better than we found it. Pet-safe products where there’s a choice. Quiet tools during school hours where the schedule allows. The Cedarwell Care Promise on every visit: drop cloths, shoe covers, a written price, a photo of the clean-up. Graham Stein oversees each project personally.
Seismic Retrofit and Code Compliance
The San Andreas Fault corridor runs 2 – 3 miles west through Crystal Springs Reservoir, and Hillsborough’s clay-heavy hillside soils saturate heavily November through March. Cripple-wall retrofits, foundation anchoring, and drainage corrections are standard line items in our renovation scopes, not afterthoughts. We engineer for the geology, not just the drawing.
Permit Sequencing and ARB Coordination
Because Hillsborough is a zero-commercial, entirely-residential city, every construction scope, down to a driveway resurfacing, must clear the Architectural Review Board before a permit is issued. Projects under mature coast live oaks need a certified arborist’s root-zone protection plan before the building department will proceed. We sequence these steps before demolition, before long-lead orders, before your family moves into a rental. The written price includes the time and subcontractor cost for both.
Trusted Brands We Service in Hillsborough
We specify named-brand materials homeowners can research and warranty independently: KraftMaid and Wellborn cabinetry, Cambria, Silestone, and Caesarstone countertops, Kohler, Moen, and Grohe fixtures, James Hardie and GAF exteriors. For ADU and modern infill projects, we also work with modular and prefab partners including Abodu, Cover, and Dvele. We maintain supplier relationships with Bay Area distributors so replacement parts and warranty claims don’t wait on cross-country shipping. Every brand’s warranty travels with the finished project, and we document serial numbers and installation dates for your records.
See the difference
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AfterCommon General Contractor Problems We See in Hillsborough Homes
- Ordering custom millwork before ARB approval. A Hillsborough homeowner selects Wellborn cabinetry and Cambria slabs, pays deposits, then learns the Architectural Review Board requires a revised window configuration that changes the kitchen layout. The cabinets don’t fit. We don’t order until ARB signs off, and we write that protection into the price.
- Treating ARB and building department as one step. They’re sequential, not simultaneous. ARB reviews design compatibility with Hillsborough’s estate character. The building department reviews code. Demolition before ARB approval stalls permits mid-project and breaks the draw schedule. We build the sequence into every timeline.
- Skipping the arborist plan for coast live oak protection. The tree-protection ordinance covers any activity within the mature oak’s drip line, driveway resurfacing, utility trenching, even material staging. Without a certified arborist’s root-zone plan, the building department won’t issue the permit. We identify affected trees in our first site visit and budget the arborist’s scope before the written price is final.
- Discovering knob-and-tube or galvanized plumbing mid-demolition without a contingency plan. Nearly every gut renovation in Hillsborough’s 1920s – 1950s core encounters original wiring or plumbing. We probe during estimate visits, price the likely replacement, and sequence the electrical and plumbing rough-in before drywall closes the walls again.
Pricing for General Contractor in Hillsborough, CA
These are the ranges we see on Hillsborough projects after the Architectural Review Board process and arborist consultations are complete. Your written quote will line-item every phase before any work starts.
| Project Type | Price Range in Hillsborough |
|---|---|
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
| Bathroom Remodel | $9,000 – $28,000 |
| Roof Replacement | $8,000 – $20,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
What moves a project within these ranges? Material grade, structural complexity, and the condition of original systems we uncover. A bathroom at $9,000 uses standard fixtures and keeps the existing layout. At $28,000, we’re relocating plumbing, adding architectural glass, and specifying Grohe and Kohler collections. Home additions and ADUs scale with square footage, foundation type, and whether the hillside lot requires retaining walls or engineered fill. Every range above includes our standard Cedarwell Care Promise deliverables: drop cloths, shoe covers, quiet-hour scheduling, pet-safe products where available, and the photo of the clean-up before we leave. Call (949) 850-9896 for your exact quote. Estimates are free.
We Also Serve Cities Near Hillsborough
Elmstead Remodeling dispatches from our San Francisco Bay Area office to serve homeowners throughout the region, including Los Angeles, San Diego, San Jose, and San Francisco. Each location is independently owned and operated, held to the same Cedarwell Care Promise standards, with the same 365-Day Done Right Promise on every completed project. Wherever you are, the written price comes before the work starts, and a live person answers the phone 24/7.
Serving Hillsborough, CA - Our Local Coverage Area
We’re based in the Hillsborough 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 Hillsborough
Because Hillsborough’s Architectural Review Board must approve every design before permits issue, and ordering custom millwork, Cambria slabs, or architectural glass before that approval risks change orders and wasted deposits. We write the price for these items into your quote, but we don’t release deposits to suppliers until ARB signs off. Call (949) 850-9896 to walk through the sequencing on your project. Estimates are free.
Yes. Hillsborough is California’s wealthiest entirely-residential municipality with zero commercial zoning, so every project from driveway resurfacing to full estate renovation clears the ARB for design compatibility. A small bathroom remodel typically adds 3 – 4 weeks for ARB review and revision cycles before building department permitting begins. We build this into every timeline we present. Call (949) 850-9896 for a schedule specific to your scope.
The building department will not issue a permit without a certified arborist’s root-zone protection plan for any activity within the tree’s drip line, including trenching, driveway work, or material staging. We identify protected trees during our first site visit, budget the arborist consultation in the written price, and submit the plan with our permit package. Skipping this step triggers a mid-project inspection hold and added subcontractor cost. Call (949) 850-9896 and we’ll survey your trees during the free estimate.
We probe for these conditions during our estimate visit, price the likely replacement in the written quote, and sequence the structural or electrical rough-in before walls close. The San Andreas Fault proximity makes seismic retrofitting standard on older estates, not optional. Our crew on Crystal Springs Road married Wellborn cabinetry and Cambria quartz to a new cripple-wall system after finding exactly this combination. Call (949) 850-9896 to discuss your home’s vintage systems.
A written price before any work starts, tied to specific brand names and model numbers, with change orders documented only on written revision. We specify KraftMaid or Wellborn cabinet lines, Cambria or Silestone color names, Kohler or Grohe fixture collections, not generic descriptions. The 365-Day Done Right Promise covers the completed project, if it’s not done right, we make it right. Call (949) 850-9896 to review a sample scope and specification.
Ready to start? Call (949) 850-9896 to schedule your free estimate. Graham Stein or a live member of our team will answer, walk through your project, and deliver a written price before any work starts. Every project carries our 365-Day Done Right Promise, and every visit includes drop cloths, shoe covers, and a photo of the clean-up before we leave.
Written by Graham Stein, Owner at Elmstead Remodeling, serving Hillsborough and the San Francisco Bay Area since 2005.











