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 Alum Rock, CA
Home renovation in Alum Rock means working with older, compact lots, Santa Clara County permit rules that differ from San Jose’s, and a dry summer climate that pushes exterior work into spring and fall. San Mateo Construction handles the full scope, from roofline to foundation, under one contract. If you’re weighing a kitchen remodel, a room addition, or an ADU on a tight Alum Rock parcel, call (855) 901-7266 for a free estimate.
Why Alum Rock Homes Are Different
Alum Rock is an unincorporated pocket of East San Jose, and the housing stock reflects its history. Most homes are mid-20th-century stucco-and-wood-frame builds on compact single-family lots, with some older adobe and stucco vernacular near Alum Rock Park. That means renovation here isn’t usually about clean-slate new builds. It’s about working inside an existing footprint, phasing additions behind the original house, and upgrading utility lines that date back decades. The local twist: the unincorporated boundary runs right through the neighborhood. A parcel on one side of the street may fall under Santa Clara County permitting; the house across from it may answer to the City of San Jose. Pulling the wrong permit is a costly delay, so we verify jurisdiction before we start any Alum Rock job. The climate matters too. Hot, dry summers and mild wet winters mean roof and drainage issues surface during the rainy season, and exterior work schedules favor spring and fall. We plan around it.
Styles & brands we work with
Our Main Alum Rock Services
Most Alum Rock homeowners reach out about two things: a whole-home project that touches multiple systems, or a focused remodel inside an older house. Here’s how each plays out locally.
General Contractor in Alum Rock
When a project spans roofing, windows, a kitchen, and a driveway, the last thing you want is four separate crews and four separate schedules. In Alum Rock, where parcels are tight and staging space is minimal, coordinating multiple trades on one small lot gets messy fast. Our general contracting service puts one licensed team across every system, from James Hardie siding to paver hardscaping, with material procurement and scheduling handled in-house. That single-point accountability matters even more when county permitting is involved. General Contractor in Alum Rock is the page to read for the full scope of what that looks like on an unincorporated parcel.
Home Remodeling in Alum Rock
Remodeling an Alum Rock home usually means working within walls that have stood since the 1950s or 1960s. We’re not just swapping finishes; we’re often reworking framing, moving plumbing, and opening up layouts that were built for a different era. Countertops, cabinetry, windows, and waterproofing all fall under one roof here, so decisions about Cambria versus Silestone or a tub-to-shower conversion get made with one accountable contractor instead of a chain of subcontractors. For a detailed look at what a remodel costs and how it phases, see Home Remodeling in Alum Rock.
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 Alum Rock
Home renovation in Alum Rock is rarely a cosmetic exercise. The older stucco-and-wood-frame homes near Alum Rock Park and along the Alum Rock Avenue corridor were built decades before open floor plans and modern electrical loads. Renovating here means addressing the structure as much as the surfaces: upgrading panels, replacing cast-iron drain lines, reinforcing floors, and only then layering in the finishes homeowners actually want. Because summers run hot and dry, we sequence exterior work for spring and fall, and we verify Santa Clara County versus City of San Jose permitting before the first permit is pulled. That’s the local reality of Home Renovation in this neighborhood, and it’s why a renovation here is best handled by one contractor who has done it before.
Home Renovation Contractors
Signs you need it
You’re planning multiple upgrades across structural, systems, and finish work that need coordinated scheduling and one accountable team.
What it costs in Alum Rock
Full-scope renovation work varies widely by square footage and condition, but the projects we quote in Alum Rock typically fall between $14,000 and $45,000 depending on systems touched.
How we do it
We start with a site walk and permit-jurisdiction check, then phase the work so structural and utility upgrades happen before finishes are installed.
Home Improvement Contractors
Signs you need it
Your home needs upgrades across multiple trades, and you’d rather have one contract and one schedule than juggle separate crews.
What it costs in Alum Rock
Home improvement projects that touch several systems in Alum Rock generally run $14,000 to $45,000, with the final number set by material choices and existing conditions.
How we do it
We bundle the trades under one general contractor, sequence the work to minimize disruption, and pull permits under the correct jurisdiction.
What Home Renovation Costs in Alum Rock
| Item | Typical range in Alum Rock |
|---|---|
| Kitchen remodel | $14,000 – $45,000 |
| Bathroom remodel | $9,000 – $28,000 |
| Home addition | $45,000 – $130,000 |
Can you renovate an older Alum Rock home without moving out?
Usually yes, but it depends on the scope. Kitchens and bathrooms can be phased room by room. Full re-pipes, panel swaps, or foundation work may require a few days away. We sequence the work to keep the disruption as short as possible.
Do you handle Santa Clara County permits for Alum Rock homes?
Yes. We determine whether the parcel falls under county or city jurisdiction, then pull the correct permits and manage inspections through closeout. Call (855) 901-7266 to talk through a specific project.
Brands We Service in Alum Rock
We work with a curated set of name-brand products across every home system. That includes James Hardie siding for Alum Rock’s stucco-era exteriors, plus prefab and ADU partnerships with manufacturers like Boxabl and Plant Prefab for tight-lot additions. See our brands for the full portfolio.
See the difference
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After
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AfterPricing for Remodeling Company in Alum Rock, CA
| Service | Typical range in Alum Rock |
|---|---|
| Kitchen remodel | $14,000 – $45,000 |
| Small kitchen remodel | $9,000 – $20,000 |
| Cabinet installation | $4,000 – $13,000 |
| Countertop installation | $2,000 – $6,500 |
| Bathroom remodel | $9,000 – $28,000 |
| Walk-in shower installation | $4,500 – $12,000 |
| Tub-to-shower conversion | $3,500 – $10,000 |
| Roof replacement | $8,000 – $20,000 |
| Window replacement | $4,500 – $15,000 |
| Paver patio installation | $3,500 – $11,000 |
| Home addition | $45,000 – $130,000 |
| ADU construction | $90,000 – $220,000 |
What pushes prices up in Alum Rock is usually access and condition. A compact lot with no side yard for staging adds labor hours, and older homes routinely hide surprises once walls come open: undersized framing, outdated wiring, cast-iron plumbing. We quote fixed, line-item pricing with no change orders, so the number you approve is the number you pay.
Neighborhoods We Serve in Alum Rock
We work across the unincorporated pockets and residential streets of the 95127 ZIP. Response time for estimates in Alum Rock is typically within one to two business days.
- Alum Rock Park area
- Alum Rock Avenue corridor
- Country Club area
- East Foothills border streets
- James Lick area
Service Area – Cities Near Alum Rock
Beyond Alum Rock, San Mateo Construction also serves the surrounding East San Jose and foothill communities. We regularly take on projects in East Foothills, CA, San Jose, CA, Seven Trees, CA, and Buena Vista, CA. If your home sits near a boundary line, call us and we’ll confirm coverage.
Serving Alum Rock, CA — Our Local Coverage Area
We’re based in the Alum Rock 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 Alum Rock
Most projects can start within a few weeks after the estimate is approved and permits are submitted. County permit timelines vary by scope, but spring and fall slots fill up fastest because of the climate, so scheduling early helps.
It depends on the parcel. Alum Rock’s unincorporated boundary means some addresses fall under Santa Clara County and others under the City of San Jose. We verify jurisdiction before any work begins and handle the permitting from there.
Yes. That’s the model. One licensed general contractor manages every trade, every material order, and every inspection across the whole project. You get one schedule and one point of contact. Call (855) 901-7266 to set up a free estimate.
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 Alum Rock Customers Say
"Every inspection passed first time. The building department clearly knows him and that made the whole process easier."
— Ernesto Martinez"He was upfront about a soil issue that added cost early rather than absorbing it and surprising us at the end."
— Katie Thompson"Excellent build. Costs came in about six percent over the original contract, driven mostly by material price movement during the build, which he documented each time."
— Brooke Delaney