Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
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After
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AfterFast, Reliable Roofing Across Hillsborough
Roofing in Hillsborough means working on some of the most architecturally significant private estates on the Peninsula, and it means getting materials approved by a town board that cares about every tile profile and every flashing detail. Barrett & Sons Construction has been replacing and repairing roofs across the 94010 ZIP since Tom Barrett founded the company in 1998. We know the roads, we know the ARB, and we know what salt air does to a roof system when the wrong fasteners get used. If you need a straight answer about your roof, call Tom’s team at (877) 610-1318. A live person answers.
Key takeaways:
- Hillsborough’s salt air corrodes standard galvanized roofing hardware within a decade, so we specify stainless and hot-dip galvanized fasteners, battens, and flashing on every coastal-facing estate.
- The Town of Hillsborough Architectural Review Board must approve roofing materials and massing before work starts, and we handle that paperwork.
- Upper hillside properties on narrow 1920s-era private lanes often require material pumping or hand-carrying because a concrete truck cannot reach the site.
- Every roof replacement includes a written scope, written change orders if anything shifts, permits pulled, and our 90-Day Done Right Promise in writing.
Why Barrett & Sons Construction Is Hillsborough’s Preferred Roofing Company
Homeowners in Hillsborough tend to look us up before they call. Tom Barrett publishes his name, his address, and his license number, and that matters in a town where the difference between a good roof and a failed one is often a six-figure interior below it. We’re the name-on-the-truck contractor that the big national outfits can’t be: the owner’s sons run the crews, and Tom is on-site for most Hillsborough roof replacements.
We’ve worked on Spanish Colonial Revival homes off Chiltern Road, Tudor Revival estates along the lower hillside, and mid-century moderns up near the western ridgeline. The pattern we see is consistent: homeowners have been burned by a contractor who quoted one price and presented another after tear-off, or who installed inland-spec hardware that corroded within a decade. We put every scope, every allowance, and every price change in writing before work happens. The permit inspector works for you, not for me; that’s why I like him.
Our Hillsborough customers get a live person on the phone 24/7, not an out-of-state call center. Response time to Hillsborough is typically same-day for emergency roof leaks and storm damage assessments. For full replacements, we schedule around the ARB review calendar, which can add two to three weeks to project timelines.
Our Roofing Services in Hillsborough
We focus on the roof types that dominate Hillsborough’s housing stock: large custom estates with tile profiles the ARB wants preserved, and mid-century homes where a standing seam metal roof is often the cleanest replacement path. Our Roofing team handles the full scope, but here’s what matters most in the 94010 ZIP.
Roof Replacement & Installation
A full roof replacement in Hillsborough runs $8,000 to $20,000 depending on the roof’s complexity, the material spec, and whether the property sits on an upper hillside lane where cranes and trucks cannot stage. We pull permits on every replacement, and we coordinate the Architectural Review Board submittal from the first material sample to the final inspection. The ARB wants the replacement roof to match the original profile, which means we’re often sourcing Spanish S-tile or barrel tile that reads the same from the street as what the original builder installed in the 1920s or 1930s.
Tile Roofing
Hillsborough’s signature roof is barrel tile on custom estates. The problem is rarely the tile itself; it’s the fasteners and battens beneath. Galvanized nails from an inland-spec installation corrode through in eight to twelve years of bay salt air, and once the fasteners fail, tiles slip and the underlayment takes water. We do tile roof repair at $600 to $2,500 for localized fixes, and full tile replacements with stainless steel battens and hot-dip galvanized clips that survive the salt air for decades. Tile roof work on ARB-protected estates often means salvaging and reusing existing barrel tile to preserve the original character while replacing everything structural underneath.
Metal Roofing
Standing seam metal roofs are increasingly specified on Hillsborough’s mid-century modern and contemporary hillside homes. A metal roof installation in the 94010 ZIP runs $15,000 to $40,000 depending on the panel profile, seam type, and whether the structure needs additional seismic clips. We specify marine-grade finishes on all Hillsborough metal roofs, because the salt air that comes off the Bay through the San Bruno gap is relentless. Inland-spec metal roofs show fastener corrosion and edge rust within a decade; coastal-spec runs decades longer.
Roof Repair
Roof repair in Hillsborough runs $400 to $1,800 for most localized issues: a slipped barrel tile, a rusted flashing seam, a broken mortar joint at a chimney intersection. The key is catching the failure early. Hillsborough’s expansive clay soil heaves under heavy winter rain, and when a chimney or parapet wall shifts, the mortar joints at the roof connection crack and let water behind the flashing. We inspect the roof-to-masonry transitions on every repair call, not just the spot where the leak shows in the ceiling.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Hillsborough
We carry premium roofing material lines, including GAF and CertainTeed for asphalt and composite applications, and we stock local parts for Hillsborough customers so we’re not waiting on a distributor two towns over when a repair is urgent. For impact-rated windows and doors that often accompany roof work on coastal estates, we specify Andersen and Marvin, along with PGT for coastal wind-driven rain performance. You can look up every material we propose. No mystery brands off a van.
Common Roofing Problems We See in Hillsborough Homes
- Rusted galvanized fasteners and flashing. Salt air off the Bay corrodes standard galvanized roofing nails and flashing within 8 to 12 years on hillside estates. Tile and shingle loss often happens before the membrane itself fails, because the fasteners let go first.
- Rusted railing and window frame anchors at roof connections. Wrought-iron and raw steel anchors on second-story decks and balconies rust through where they meet the roofline, pulling gutters and edge metal with them. We replace the anchors with marine-grade stainless when we’re in for a roof repair.
- Expansive clay soil heaving chimney foundations and parapet walls. Hillsborough’s rolling hillside terrain sits on Bay Area clay that swells with heavy winter rain. When a chimney or parapet shifts, the mortar joints where the roof meets masonry crack, and water gets behind the copper and steel flashing.
- Failed underlayment from deferred maintenance on ARB-protected estates. Because an ARB submittal adds time and paperwork to a roof replacement, some homeowners defer the work longer than they should. The underlayment fails, the decking rots, and the job grows from a reroof to a full deck replacement with marine-grade plywood.
Pricing for Roofing in Hillsborough, CA
Here’s what roof work in the 94010 ZIP actually costs, item by item. These are the ranges we quote on Hillsborough jobs, and they reflect the coastal-spec hardware and material approvals this town requires. Anything cheaper almost certainly means inland-spec fasteners and flashing, which is the exact failure mode we fix on a regular basis.
| Service | Price Range |
|---|---|
| Roof Replacement | $8,000 - $20,000 |
| Roof Repair | $400 - $1,800 |
| Metal Roof Installation | $15,000 - $40,000 |
| Tile Roof Repair | $600 - $2,500 |
The coastal-spec premium is real. Stainless steel battens, hot-dip galvanized clips, and marine-grade flashing typically run 10 to 15 percent over inland-spec hardware. In Hillsborough, that premium buys you a roof that lasts decades instead of one that starts shedding tiles in year nine. Call (877) 610-1318 for a free estimate. Tom will walk the roof with you and give you a written scope before you sign anything.
We Also Serve Cities Near Hillsborough
While this page focuses on Roofing in Hillsborough, our crews also work regularly in Burlingame, Millbrae, San Mateo, and San Bruno. The salt air and ARB requirements change from town to town, so call (877) 610-1318 and we’ll send the right person for your specific property.
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 - Roofing in Hillsborough
Yes. The Town of Hillsborough Architectural Review Board must approve the material and the profile for any tile roof replacement on a protected estate, and they typically require the new tile to match the original profile from the street. That often means salvaging and reusing existing barrel tile or sourcing a matching Spanish S-tile. We handle the ARB submittal and the material samples, so you’re not chasing approvals on your own. Call (877) 610-1318 for an exact quote; estimates are free.
Salt air from the Bay carries chloride that corrodes galvanized fasteners and flashing within 8 to 12 years on Hillsborough homes, causing tiles and shingles to slip before the membrane fails. The fix is coastal-spec hardware: stainless steel battens, hot-dip galvanized clips, and marine-grade flashing. Call (877) 610-1318 and we’ll inspect what’s currently on your roof and what it would take to bring it up to coastal spec.
Often no. Many of Hillsborough’s upper hillside roads are narrow private lanes originally built for 1920s-era vehicles, and a concrete truck or crane cannot stage on them. We hand-carry tiles or pump material from a neighbor’s flat driveway with written permission. That’s one of the reasons upper hillside roof replacements trend toward the higher end of the price range. Call (877) 610-1318 for a walkthrough; we’ll tell you exactly how we’d get material to your roof.
Yes. Hillsborough’s tree protection ordinance requires a certified arborist report before any grading or staging occurs near a mature heritage oak, and the report becomes part of the permit package. We arrange the arborist and fold the report into the ARB submittal, so the roof replacement doesn’t stall on the tree approval. Call (877) 610-1318 for a free estimate that accounts for the tree work from day one.
A coastal-spec roof in Hillsborough costs 10 to 15 percent more than the same roof in Burlingame or San Mateo because the ARB approval process, the tighter material standards, and the access constraints on upper hillside lanes all add cost. The alternative, which we see too often, is an inland-spec roof that sheds tiles in under a decade and needs a full replacement to fix. Call (877) 610-1318 for a written quote; we’ll show you exactly what the coastal-spec version costs and what you’re paying for.
Call Barrett & Sons Construction for Roofing in Hillsborough
We’ve been working on Hillsborough roofs since Tom founded the company in 1998, and we’ve been fixing the same salt-air failures for decades longer than that. Every job gets a written scope, written change orders if anything shifts, permits pulled, and inspections signed. The 90-Day Done Right Promise is on every contract, not in the fine print. Tom lives twenty minutes away; if something’s wrong, he wants to know about it.
Call (877) 610-1318 today to schedule your free roofing estimate. We’ll walk the roof, show you what’s failing, and put the fix in writing.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Hillsborough and the San Francisco Bay Area since 1998.