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 Hillsborough
Home remodeling in Hillsborough means working on large estate lots with strict design review, tree-protection rules, and grading requirements that most contractors never see. A full kitchen or bathroom remodel here runs $14,000 – $45,000 and $9,000 – $28,000 respectively, while a home addition ranges $45,000 – $130,000. Gold Star Contractors knows the town’s permitting gauntlet, its drainage patterns, and its expectation of discretion. If you’re planning work on your Hillsborough property, call Noel Carranza and our team at (833) 382-8544 for a free, no-pressure estimate.
Why Gold Star Contractors Is Hillsborough’s Preferred Home Remodeling Company
Hillsborough homeowners call us because we understand that a remodel here isn’t just construction – it’s a negotiation with the town’s arborist, its design review board, and the hillside itself. Our Home Remodeling team brings a general contractor’s full scope to every job, from the foundation to the roofline. We’ve managed tree-protection plans, county building permits, and third-party arborist inspections on sloped lots throughout 94010. That local knowledge saves our clients weeks of delay.
We don’t hand off carpentry to one crew, plumbing to another, and electrical to a third. One contractor. Every system. No handoff gaps. When a Hillsborough client wants a kitchen remodel with Cambria countertops and a Toto tub in the primary bath, we specify the brand, manage the install, and stand behind the result. Noel Carranza has built this company around that accountability – and around being able to work inside a town that values quiet job sites as much as fine craftsmanship.
The feedback we get from Hillsborough customers keeps landing on the same thing: we show up when we say we will, we keep the site clean and unobtrusive, and we don’t surprise anyone with change orders once grading or tree protection alters the plan. Your home is too important to coordinate five different contractors.
Styles & brands we work with
Luxury Home Remodeling in Hillsborough
Luxury Home Remodeling in Hillsborough almost always means working on an architecturally distinct estate – Mediterranean, Tudor, or ranch – where the new work has to match original detailing rather than replace it. Homeowners here aren’t looking for flip-grade finishes. They’re asking for full kitchens with slab-run quartz from Cambria or Caesarstone, primary baths with Schluter waterproofing and Toto or American Standard fixtures, and millwork that reads like the house grew it. A complete luxury remodel of a Hillsborough kitchen typically runs $14,000 – $45,000, and a primary bathroom remodel lands between $9,000 and $28,000. Add a detached ADU or shop and you’re in the $90,000 – $220,000 range depending on grading and access.
Estate-Grade Finishes and Fixtures
We routinely specify and install plumbing fixtures from Toto, American Standard, and Sterling, along with Schluter waterproofing systems in wet areas. These brands carry their own installation standards, and our crews have the technical fluency to meet them. In a Hillsborough primary bath, that means a waterproofed walk-in shower that will outlast the next remodel.
Matching Old Detail to New Construction
Many Hillsborough homes were built mid-century and heavily remodeled since, so original trim profiles, window casing, and rooflines don’t match anything off the shelf. We’ve matched original detailing on homes across 94010, and we plan for that millwork cost before the first permit is pulled.
Full Home Remodel in Hillsborough
A Full Home Remodel in Hillsborough is a different animal than a full remodel anywhere else on the Peninsula. We’re usually talking about a large single-family estate on a sloped lot, often with a detached guest house, a pool, and a long private driveway. The work includes kitchens and baths, windows and doors, flooring, structural repairs, roofing, and frequently a seismic retrofit. Budgets on these projects typically start around $45,000 for a targeted addition and climb to $130,000 and beyond for whole-structure work. The cost drivers are rarely the finishes – they’re the grading, the tree protection, and the long material hauls up a private drive.
Space Planning on an Estate Lot
We’ve built detached ADUs and shops behind main estates where the site plan looked simple on paper and turned complicated the moment the town’s arborist walked the canopy. That’s why we scope the structure, the drainage, and the tree-protection plan together before we quote. You shouldn’t pay for a surprise footing reroute after demolition starts.
Structural and Seismic Work
Hillsborough’s housing stock skews toward mid-century construction on hillside foundations, which means soft-story and foundation work shows up in a lot of our full remodels. We handle those structural repairs through the same project team that installs your floors and cabinets, so the sequence doesn’t get thrown off by a miscommunication between trades.
Trusted Brands We Service in Hillsborough
Our Hillsborough clients choose materials, not limitations. We’re authorized to work with Cambria, Caesarstone, and Silestone countertops – three brands with installation standards strict enough that most contractors won’t touch them. In kitchens and baths, we specify fixtures from Toto, Kohler, Grohe, Moen, and Sterling, and we install waterproofing with Schluter systems. Cabinetry comes through KraftMaid and Wellborn. Roofing through GAF, CertainTeed, and Owens Corning. Impact windows through PGT and CGI. We keep the supply chain local where we can and schedule material deliveries around the narrow driveways and gated entrances that define Hillsborough job sites, so a cabinet delivery doesn’t turn into a three-week delay.
See the difference
Before
After
Before
After
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AfterCommon Home Remodeling Problems We See in Hillsborough Homes
- Tree-protection plans stalling the permit. The town’s design review routinely flags root-zone encroachment on mature oaks, and a standard site plan won’t survive that scrutiny. We bring a certified arborist into the conversation before we finalize the footprint, not after the stop-work order.
- Winter runoff failing inspection on open sloped lots. Hillsborough’s hillside drainage gets tested every rainy season, and the town’s inspector will fail a rough-in sign-off if the grading doesn’t direct runoff correctly. We’ve re-graded more than one lot after a cookie-cutter drainage plan washed out.
- Long private driveways breaking the draw schedule. Material haul and equipment access on a long Hillsborough drive means smaller trucks, staged deliveries, and sometimes a crane we didn’t plan for. We scope the access route before quoting so the framing crew doesn’t eat a change order.
- Mid-century framing that doesn’t match the plan. Homes built in the 1950s and 1960s on this side of 94010 rarely have the stud spacing and header sizes the original drawings claim. Our structural team plans for that discovery and keeps the remodel moving instead of idling the crew.
Pricing for Home Remodeling in Hillsborough, CA
These are the actual ranges we quote in Hillsborough, not Peninsula averages pulled from a national site. A kitchen remodel runs $14,000 – $45,000. A bathroom remodel runs $9,000 – $28,000. A home addition runs $45,000 – $130,000, and a detached ADU runs $90,000 – $220,000. What moves the number inside those ranges? Grading and drainage on a sloped lot, tree-protection requirements from the town, the length and condition of your private driveway, and how much matching detail the original house demands. We break every line item out in writing before you sign. Call (833) 382-8544 for a free estimate on your specific property.
| Service | Typical Hillsborough Range |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
The single biggest variable in Hillsborough isn’t the tile you pick. It’s what the tree-protection and grading review does to your site plan, and whether your contractor scoped that before quoting. We do.
We Also Serve Cities Near Hillsborough
Gold Star Contractors serves Hillsborough and the surrounding Peninsula communities, including Burlingame, Millbrae, Highlands-Baywood Park, and San Mateo. If your property sits just outside the town line, the same team, the same brand portfolio, and the same fixed, line-item quoting apply.
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 Home Remodeling in Hillsborough
Yes. Even when San Mateo County issues the building permit, Hillsborough’s own design review and tree-protection process runs separately, and the town’s sign-off is required before you get a rough-in inspection. We’ve seen county-approved plans get sent back by the town for a grading revision. We pull both tracks in parallel so one doesn’t stall the other. Call (833) 382-8544 and we’ll walk you through what your specific project triggers.
We stage deliveries at the street when the driveway won’t take a full semi, then shuttle materials in smaller loads, and we schedule any crane or heavy equipment for the shortest possible window. That access plan is part of our quote, not a change order later. If your driveway is steep or tight, tell us on the first call and we’ll price it in from day one.
On a sloped lot with winter runoff, you’re usually looking at some combination of French drains, surface swales, a retaining wall, and possibly a re-grade to pass inspection. The town’s inspector will check the drainage during the rough-in sign-off, so we plan for it as a first-class scope item. Figure a few thousand to over $10,000 depending on slope and soil, and we’ll quote it precisely.
Yes, and it’s one of the more complex jobs we do here. A detached ADU or shop typically runs $90,000 – $220,000 in Hillsborough, with tree-protection plans and grading driving much of the cost. On a sloped lot off Crystal Springs Road, our crew had to reroute a footing line and add a root-barrier before we could pour, with a third-party arborist walking the canopy alongside the inspector. We scope that before we quote, so you’re not funding the surprise.
We use covered dumpsters, we keep material staging behind the gate line, we don’t run equipment after reasonable hours, and our crews keep a low profile. The town culture here expects that, and we’ve built our reputation on being the contractor neighbors don’t notice. Call (833) 382-8544 to schedule a free estimate, and we’ll keep it quiet from the first visit.
Written by Noel Carranza, Owner at Gold Star Contractors, serving Hillsborough and the surrounding Peninsula.