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 General Contractor Across Hillsborough
Finding a general contractor in Hillsborough who understands this town’s specific approval process is the difference between a project that starts on schedule and one that stalls for months. Ashford Contractors has managed remodels, additions, and ADUs across Hillsborough’s estate lots long enough to know that the architecture review packet, not the framing crew, sets your start date. We file complete submittals the first time, schedule work around review cycles, and keep every trade moving once approvals clear. Call (877) 752-3868 for a free estimate on your project.
Why Ashford Contractors Is Hillsborough’s Preferred General Contractor Company
Hillsborough homeowners have a different bar than most Peninsula towns. The lots are large, the homes are custom, and the town’s architecture and site review process demands a contractor who can speak the language of planning staff, arborists, and structural engineers without flinching. We have walked enough Hillsborough properties to know which slopes hold clay, which heritage oaks trigger root-zone protections, and which exterior palettes sail through review. That local fluency is why Hillsborough clients keep our number.
Every Hillsborough project gets one project manager, one contract, and one point of accountability. When your kitchen remodel, roof replacement, and paver driveway all fall under the same agreement, there is no gap between trades and no finger-pointing when a question comes up. Our Hillsborough clients tell us that single-point accountability is the reason they stop interviewing contractors after the first walkthrough.
We work with more than 50 name-brand manufacturers across cabinetry, roofing, windows, siding, hardscape, and ADU systems, so the conversation in Hillsborough starts with what you want on your lot, not what we have left in a warehouse. From the roofline to the foundation, one contractor. Every system.
Styles & brands we work with
Residential General Contractor in Hillsborough
A residential General Contractor in Hillsborough handles the full build or remodel: demolition, structural framing, rough-in, finishes, and final inspection, all under one signed scope of work. The job becomes essential when a project touches multiple systems at once, like structural upgrades paired with a kitchen remodel or an ADU that also requires hillside grading and drainage work. In Hillsborough specifically, this is the norm, not the exception, because most properties are older mid-century customs or new estate builds on sloped lots where one trade cannot operate independently of the others.
A typical residential general contracting engagement in Hillsborough runs anywhere from $45,000 for a focused remodel up to $220,000 for a full ADU build. Custom additions on large estate lots frequently land between $45,000 and $130,000 depending on structural scope and finish level.
Full-Scope Remodel Management
When a Hillsborough estate needs a kitchen, two bathrooms, and new exterior siding in the same calendar year, dividing those scopes across three specialty contractors means three schedules, three markups, and three sets of change orders. We run all of it through one project manager who sequences the interior and exterior work so the drywall crew is not waiting on the siding crew. The client sees one draw schedule and one punch list.
Structural and Site Work
Hillsborough’s clay-heavy soils and winter rains make hillside grading and drainage a recurring condition on nearly every project, not an afterthought. We coordinate the geotechnical review, retaining-wall design, and foundation work before framing starts, because re-sequencing after excavation begins is where budgets in this town quietly bleed. On sloped lots off Floribunda Avenue and elsewhere, we have re-planned foundation and drainage around heritage-oak root zones while keeping rough-in and inspection sign-off moving on the approved draw schedule.
Hire a General Contractor in Hillsborough
When you hire a General Contractor in Hillsborough, you are hiring the person who files the architecture review packet, schedules the trades, and stands behind the finished work. That is a heavier lift in Hillsborough than in most Peninsula cities, because the architecture review and site review often happen on the same set of plans, and tree-protection or grading conditions can reshape the scope even after the design feels locked. We file those submittals for you, with material, color, height, and tree callouts already on the drawings, because we know what the reviewers look for before they look at it.
Most Hillsborough homeowners decide to hire a general contractor once the scope reaches the point where a kitchen remodel also means a structural beam, or a room addition triggers setback and slope review. That is the exact moment when trying to manage separate subs becomes expensive. Our engagement on Hillsborough projects typically starts with a field walk, then a line-item estimate, then the submittal schedule. A kitchen remodel in Hillsborough runs $14,000 to $45,000; a garage conversion, $30,000 to $80,000.
Architecture Review and Submittal Filing
We prepare and file the complete Hillsborough packet: site plan, elevations, material and color callouts, tree-protection notes, and grading plan where the slope triggers it. The goal is first-pass approval so you are not paying a framing crew to wait through a second review cycle. When the reviewers ask for a revision, which happens on even well-prepared submittals, we turn the revision in hours, not weeks.
Draw Schedules and Change Orders
On a custom Hillsborough build, allowances and change orders handled verbally become arguments at the final punch list. We write them down, price them in writing, and attach them to the draw schedule so the bank or lender sees exactly what changed and why. When the final inspection passes, the approved scope and the delivered scope match.
Trusted Brands We Service in Hillsborough
Hillsborough homes skew toward premium materials, and our supplier relationships reflect that. We source and install from a curated roster that includes James Hardie siding, Therma-Tru doors, Kohler and Toto plumbing fixtures, Cambria and Silestone countertops, and GAF and Owens Corning roofing systems, among more than 50 manufacturer relationships. For exterior fencing on estate properties, we work with Ameristar, Jerith, and ActiveYards, which gives Hillsborough clients real choice on style and grade rather than a single default panel. Because we carry these lines across interior and exterior scopes, the finish palette on a Hillsborough remodel stays consistent from the front fence to the kitchen hardware.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Hillsborough Homes
- Submittals that sail through architecture review but stall at site review. The design packet looked complete, but tree-protection and grading conditions were not on the same plans as the exterior materials, so excavation never gets approval. We file both sets of callouts from day one.
- Fixed start dates that ignore the review calendar. A homeowner sets a groundbreaking date before the architecture committee has signed, and then the framing crew sits idle while the calendar slips. We schedule around the approval cycle, not against it.
- Verbal change orders on a custom build. On a Hillsborough estate project, a spoken agreement about a tile allowance becomes a dispute at closeout. Every change gets written pricing and a signed amendment before the work proceeds.
- Drainage and slope work treated as a landscaping afterthought. Clay-heavy Peninsula soils and winter rains turn a bad drainage plan into a foundation problem on Hillsborough’s sloped lots. We put the geotechnical and drainage work into the construction scope, not the landscaping bid.
Pricing for General Contractor in Hillsborough, CA
General contracting in Hillsborough ranges widely because the scope is rarely small. A kitchen remodel runs $14,000 to $45,000, a bathroom remodel $9,000 to $28,000, and a full home addition $45,000 to $130,000. An ADU on a sloped Hillsborough lot typically lands between $90,000 and $220,000, with the variation driven by foundation work, grading, and tree-protection conditions more than finish choices. A garage conversion runs $30,000 to $80,000.
| Project Type | 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 |
| Garage Conversion | $30,000 – $80,000 |
Call (877) 752-3868 and we will give you a written line-item estimate for your specific Hillsborough property. The estimate is free, and it is based on the actual conditions on your lot, not a square-footage guess.
We Also Serve Cities Near Hillsborough
Ashford Contractors serves Hillsborough and the surrounding Peninsula communities, including Burlingame, Millbrae, Highlands-Baywood Park, and San Mateo. If your property sits near the Hillsborough border, we can bring the same full-scope general contracting approach to your project. Call (877) 752-3868 to confirm coverage for your street.
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
We do. Ashford Contractors prepares and files the full Hillsborough submittal packet for every project, including site plan, elevations, material and color callouts, tree-protection notes, and grading plan where the slope triggers it. The homeowner signs the application, but our project manager handles the filing, the review-cycle communication, and any revision requests. Call (877) 752-3868 if you already have plans we can review.
Hillsborough’s architecture and site review typically adds four to eight weeks to the pre-construction calendar, depending on submittal completeness and whether the project triggers additional tree or slope review. A complete packet filed the first time lands on the shorter end; a resubmittal extends it. We build that window into the schedule from day one so your project does not sit half-finished waiting on a committee. Call (877) 752-3868 and we will map out the expected review timeline for your specific project.
Hillsborough’s architecture review favors muted earth tones, low-pitch roofs, and non-combustible siding materials on the wooded ridges, particularly where defensible-space conditions apply. James Hardie siding, natural stone, and muted stucco palettes are common approvals. We submit materials with the review packet so the finish work is approved as drawn, not re-reviewed at the end. Call (877) 752-3868 and we will bring material samples to your walkthrough.
Yes. On a sloped lot off Floribunda Avenue, our crew had an ADU clear architecture review on the first submittal but hit root-zone protection limits for a heritage oak at excavation. We re-sequenced the foundation and drainage plan with the arborist before breaking ground, then ran rough-in and inspection sign-off on a draw schedule tied to those approved stages. The point is that Hillsborough’s site review and architecture review are two separate sign-offs, and a project can clear one while the other still has open conditions. We handle both from the start. Call (877) 752-3868 and ask us to walk your lot for tree and slope conditions before you file.
Every change order on a Hillsborough project gets written pricing, a signed amendment, and an updated draw schedule before the work proceeds. At the final punch list, the approved scope matches the delivered scope because nothing was agreed to verbally. That discipline matters most on custom estate builds where allowances and finish selections run six figures. Call (877) 752-3868 to schedule a free estimate, and we will show you exactly how the contract, change-order process, and draw schedule work before you sign anything.
Written by Glen Mossier, Owner at Ashford Contractors, serving Hillsborough and the wider Peninsula with full-scope general contracting.