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
Home renovation in Hillsborough means something different than it does almost anywhere else on the Peninsula. The town’s estate-scale lots, strict design review, and tree preservation ordinances shape every phase of a project, from the first site walk to the final inspection. Iron Beam Contractors has served Hillsborough since 2018, managing full-scope renovations on properties where the original home may date to the 1920s and the oak canopy out back is legally protected. Call (833) 756-5936 to talk through your project with a contractor who knows this town’s rules before the plans are even drawn.
Why Hillsborough Homes Are Different
Hillsborough is a low-density town of large-lot estates, and almost every construction project here requires design review and often planning commission approval. That is not a formality. The town enforces strict hillside and tree-preservation ordinances, and on many streets the original estate homes sit behind mature oak and redwood canopies, which means an arborist often has to sign off before anyone submits for permits. Contractors who work here regularly know to bring the arborist in early, because a protected tree can dictate the entire site plan.
The housing stock compounds the complexity. Many Hillsborough homes were custom-built between the 1920s and the 1980s, and a growing number are now tear-down rebuilds. That means a single street can hold a 1950s ranch, a 1970s contemporary, and a brand-new custom home, each with its own framing logic, foundation quirks, and material expectations. Renovation here is rarely a straightforward swap of finishes. It is investigative work first.
Climate is the third variable. Hillsborough’s damp, cool winters and occasional atmospheric river storms push rain delays into the schedule, and the sloped lots with expansive clay soils demand drainage planning that a flat-lot Peninsula town would never need. We sequence exterior work around the wet season and design foundation and drainage systems for seasonal groundwater, not just the dry months.
Styles & brands we work with







Our Main Hillsborough Services
Most Hillsborough homeowners reach out to us about two types of work: full general contracting on estate-scale projects, and interior home remodeling where design review and material selection run through one accountable team.
General Contractor in Hillsborough
Acting as your General Contractor in Hillsborough means coordinating every trade on a project where the town’s design review process touches nearly every decision. We manage the permit path, the arborist reports, the structural engineer, and the trade sequencing so the homeowner is not on the phone with five different parties. On a Hillsborough estate renovation or addition, that single-point accountability is the difference between a project that clears planning commission and one that stalls. One contractor, every phase.

Home Remodeling in Hillsborough
Home Remodeling in Hillsborough is typically interior-first work, kitchens and bathrooms and living spaces, but it still has to respect the town’s design review when the footprint changes or the facade is touched. We bring the material sourcing in-house, from Cambria and Silestone countertops to KraftMaid and Wellborn cabinetry, so decisions are made against real lead times and real pricing, not a showroom brochure. The goal is a remodel that clears review and holds up through the first real winter storm.

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 means working inside a framework of design review, protected trees, and estate-scale expectations. Many of the homes we renovate were custom-built decades ago, and the work usually starts with understanding what is behind the walls before we propose what goes in front of them. Hillsborough’s damp winters and sloped clay soils also mean renovation is not just cosmetic; drainage, moisture management, and structural condition drive the scope. That is why we run Home Renovation as a full general contracting scope, not a series of disconnected subcontracts.
Home Renovation Contractors
Signs you need it
Rooms that no longer function for how you live, aging systems behind the walls, or an estate home that needs a phased modernization without losing its original character.
What it costs in Hillsborough
A whole-home renovation in Hillsborough typically falls between $45,000 and $130,000 depending on scope, with kitchens at $14,000 to $45,000 and bathrooms at $9,000 to $28,000.
How we do it
We start with a structural and systems walkthrough, map the design review requirements, then sequence demolition, rough-in, and finishes under one schedule and one point of contact.
Home Renovators
Signs you need it
You are planning a tear-down rebuild or a major addition and need a contractor who can manage the entitlement path in Hillsborough, not just the construction.
What it costs in Hillsborough
Home additions in Hillsborough run $45,000 to $130,000, while a full ADU construction starts at $90,000 and can reach $220,000 depending on site conditions and prefab partner.
How we do it
We coordinate the architect, arborist, and planning commission submittals, then execute the build with our direct crews and our vetted material partners, from GAF roofing to James Hardie siding.
What Home Renovation Costs in Hillsborough
| Item | Typical range in Hillsborough |
|---|---|
| Kitchen remodel | $14,000 – $45,000 |
| Bathroom remodel | $9,000 – $28,000 |
| Home addition | $45,000 – $130,000 |
How long does a home renovation take in Hillsborough?
Design review and planning commission approval add weeks or months before construction starts, so a full renovation often runs six to fourteen months from first walkthrough to final inspection. Call (833) 756-5936 for a schedule estimate on your specific property.
Will the price change once work starts?
We provide written line-item quotes and fixed pricing with no change orders unless you change the scope. In Hillsborough, site discoveries like old framing or drainage issues get priced transparently before work proceeds.
Brands We Service in Hillsborough
On Hillsborough fencing and outdoor projects we install and service Master Halco, Ameristar, Jerith, and Bufftech products, with parts sourced through our supply chain for faster turnaround than a homeowner can get on their own. See our brands for the full material portfolio.
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 |
| Tub-to-shower conversion | $3,500 – $10,000 |
| Paver driveway installation | $7,000 – $18,000 |
| Roof replacement | $8,000 – $20,000 |
| Impact window installation | $8,000 – $25,000 |
| Home addition | $45,000 – $130,000 |
| ADU construction | $90,000 – $220,000 |
What pushes cost up in Hillsborough is almost always the lot: protected trees that force foundation adjustments, sloped grades that require retaining walls, and design review conditions that add engineering time. We quote fixed pricing with no change orders, so the number you approve is the number you pay unless you change the scope.
Neighborhoods We Serve in Hillsborough
We work across all of Hillsborough’s 94010 ZIP code, from the estate lanes up against the Burlingame border to the deep-lot properties near the San Mateo Creek side. Hillsborough’s neighborhoods are all large-lot and all subject to the same design review, so our response and approach are consistent across the town.
- Lower Hillsborough
- Upper Hillsborough
- Lakeview
- Hillsborough Park area
- San Mateo Creek corridor
Service Area – Cities Near Hillsborough
Iron Beam Contractors also serves homeowners in Burlingame, CA, Millbrae, CA, Highlands-Baywood Park, CA, and San Mateo, CA. If you are on the Hillsborough border and unsure which municipality applies to your property, call us and we will confirm coverage before you commit to anything.
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
Start time depends on design review. Projects that do not change the footprint or facade can often start within a few weeks of contract signing. Projects requiring planning commission approval may wait two to four months before construction begins, and we sequence bids accordingly.
Yes. We prepare and submit the permit package, coordinate the arborist report when protected trees are present, and represent you at planning commission if the project requires it. The homeowner stays informed, but we run the paperwork.
Yes, and we do often. Older estate homes here frequently have redwood framing and foundation systems that need evaluation before any remodel. We bring in a structural engineer early and design the renovation around what the existing structure can support, not against it.
If you are planning a renovation in Hillsborough, call (833) 756-5936 to schedule a free estimate. We will walk the property, review the design review path, and give you a written line-item quote with real material allowances, not a number pulled from a national average. Your project deserves a general contractor, not a coordinator.
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."
— Michael Mercer"Allowances in the contract were realistic rather than artificially low to make the bid look good."
— Wade Lawson"Every inspection passed first time. The building department clearly knows him and that made the whole process easier."
— Paul Schaefer