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
Remodeling Company in Hillsborough, CA
Hillsborough is not a town where you hang drywall and call it a day. Home renovation here means working on large-lot estates, mid-century originals being brought into this decade, and hillside properties where drainage and fire-hardening matter as much as the finishes. Toolbox Contractors has served Hillsborough since 2013, and we approach every job knowing the town’s design review process will scrutinize the details. Call (855) 382-3257 to talk through your project.
Why Hillsborough Homes Are Different
Hillsborough’s housing stock is dominated by large single-family estates and custom homes on generous lots. Many are original mid-century builds, now being extensively remodeled or torn down and rebuilt on the same footprint. That means we’re not doing repetitive tract work here. We’re matching new framing to existing architecture, preserving sight lines, and answering to a design review board that expects material choices to look like they belong.
The town sits on the eastern slope of the Santa Cruz Mountains, so steep, wooded lots bring drainage, retaining-wall, and erosion concerns. Winter rains test hillside grading. Dry summers make fire-resistant roofing and siding a real consideration, not a checkbox. Because lower lots sit on the flats near the town center and upper lots climb the wooded hillside, one street can face flood and drainage grading issues while the next needs hillside retaining and fire-hardening. The approach changes yard by yard, not town-wide.
Almost every project in Hillsborough is a discretionary, neighbor-visible remodel or new build. Permits go through the town’s own planning and architectural review, which means timelines are longer and documentation has to be right the first time. We prepare plans with that scrutiny in mind.
Styles & brands we work with







Our Main Hillsborough Services
Hillsborough homeowners most often call us for two things: full general contracting on estate-scale remodels, and whole-home remodeling that spans multiple rooms and systems at once. Both live on their own pages here.
General Contractor in Hillsborough
Acting as your general contractor in Hillsborough means running a job where the planning department, the hillside, and the existing architecture all have opinions. We coordinate the trades, pull permits, manage the schedule, and keep a single point of accountability from demo to final inspection. Whether you’re rebuilding a mid-century original on its existing footprint or adding square footage, we handle the full scope. See General Contractor in Hillsborough for how we run jobs in this specific town.

Home Remodeling in Hillsborough
Home remodeling in Hillsborough typically means reworking several spaces at once, often with structural work involved. Kitchens, bathrooms, exteriors, and living spaces get redesigned together so the house feels coherent, not patched. Hillsborough’s older estates often need electrical and plumbing upgrades behind the new finishes, and we account for that before drywall goes up. The full picture is on our Home Remodeling in Hillsborough page.

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.
Home Renovation in Hillsborough
Home renovation in Hillsborough usually means taking a large mid-century original and bringing its systems, layout, and materials up to what the property is worth now. That often includes structural work, hillside drainage corrections, and fire-hardening materials alongside the visible remodel. We run these jobs as a single scope, from the first walkthrough to the final inspection, so you’re not coordinating separate crews across a site that already has enough moving parts. Our Home Renovation team handles everything inside and out, from the cabinets to the roof.
Home Renovation Contractors
Signs you need it
If your Hillsborough home has outdated wiring, original single-pane windows, a roof near the end of its life, or rooms that no longer fit how you live, you’re past repair work and into renovation territory.
What it costs in Hillsborough
Whole-home renovation in Hillsborough typically falls between $45,000 and $130,000 depending on square footage, hillside access, and material grade.
How we do it
We start with a structural and systems assessment, map the full scope across every trade, produce drawings that pass Hillsborough design review, then execute in phases so the house stays protected throughout.
Home Improvement Contractors
Signs you need it
When the work spans multiple rooms, exterior upgrades, and mechanical systems at once, a single-scope home improvement contractor keeps the project from turning into a coordination nightmare.
What it costs in Hillsborough
Multi-room improvement projects in Hillsborough are generally quoted between $45,000 and $130,000, much of that driven by hillside access and the finish tier you choose.
How we do it
We assign one project lead to your job, bring in the necessary trades under our license, and run material procurement through our 50+ brand relationships so lead times don’t stall the schedule.
What Home Renovation Costs in Hillsborough
| Item | Typical range in Hillsborough |
|---|---|
| Home Addition | $45,000 – $130,000 |
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
How long does a full home renovation take in Hillsborough?
Most Hillsborough renovations run four to nine months from permit approval to final inspection. The town’s architectural review adds lead time up front, and hillside projects often face site-access constraints that tradies in flat towns never see.
Do I need design review approval for interior renovation in Hillsborough?
Interior work that doesn’t change the structure or roofline can sometimes move faster, but almost every Hillsborough remodel touches something the town wants to review. We handle the submittals and revisions so the project doesn’t stall on paperwork.
Brands We Service in Hillsborough
We install and service Therma-Tru doors, ViewLux windows, and ECO Window Systems across Hillsborough. Parts and replacement units are ordered directly through our supply chain, not a big-box counter. See our brands for the full list and typical turnaround for your project type.
See the difference
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AfterPricing for Remodeling Company in Hillsborough, CA
| Service | Typical range in Hillsborough |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Roof Replacement | $8,000 – $20,000 |
| Metal Roof Installation | $15,000 – $40,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Paver Driveway Installation | $7,000 – $18,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
In Hillsborough, prices climb when a project involves hillside retaining, wildfire-interface vegetation clearing, or design review revisions. Steep lots with limited crane and dumpster access can also push costs up. We quote fixed, line-item pricing before work starts, so the number you approve is the number you pay.
Neighborhoods We Serve in Hillsborough
Hillsborough is a single ZIP code, 94010, but the terrain splits it into distinct pockets. The flats near the town center handle water differently than the upper hillside, and we plan logistics around that.
- Lower Hillsborough flats
- Upper hillside estates
- Chateau Drive area
- Eucalyptus Hill
- San Mateo Creek corridor
We typically have a project lead in Hillsborough within a day or two for an estimate, depending on current scheduling.
Service Area – Cities Near Hillsborough
Toolbox Contractors runs jobs throughout the mid-Peninsula. Beyond Hillsborough, we regularly work in Burlingame, CA, Millbrae, CA, Highlands-Baywood Park, CA, and San Mateo, CA. Each town has its own permit quirks, but the same single-contractor model applies.
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 Remodeling Company in Hillsborough
Yes. We prepare drawings, submittals, and responses for the town’s architectural review and planning department. Hillsborough’s process is discretionary and detail-heavy, and we’ve worked within it since 2013. Call (855) 382-3257 and we’ll walk you through what your specific project needs.
We are. Many of our Hillsborough projects involve retaining walls, erosion control, and drainage designed for the town’s steep wooded lots. We coordinate with geotechnical engineers when the scope requires it, and we build defensible-space compliance into exterior scopes from the start.
In most cases, yes, though large full-home remodels often require the owners to relocate for portions of the job. We phase the work to keep at least part of the house livable when possible and protect finished areas from dust and debris during the rest.
What happens when you call
- 1A real person answersNo phone trees — talk to a local construction pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Hillsborough Customers Say
"Ground up build. Permits, foundation, framing, all of it, and he ran the schedule tightly enough that the subs were never tripping over each other. Finished within a month of a fourteen month estimate."
— Claudia Vargas"Quality construction and a professional operation. Communication was strongest at the site meetings, and slower by email in between."
— Roger Parker"Allowances in the contract were realistic rather than artificially low to make the bid look good."
— Elena Mendoza