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 Alum Rock
If you’re planning a kitchen remodel, bathroom update, or a full addition on a home in Alum Rock, you need a general contractor who understands that this is not San Jose proper. Alum Rock is an unincorporated pocket of east San Jose, which means permits run through Santa Clara County, plan checks follow county timelines, and your older home near Alum Rock Park likely has framing and drainage conditions a flat-valley contractor never sees. We coordinate the entire project under one accountable team, from the first county permit to the final walkthrough. Call (833) 382-8544 to schedule a free estimate.
Why Gold Star Contractors Is Alum Rock’s Preferred General Contractor Company
Homeowners in Alum Rock call us because we already know the county checklist before we show up. We have pulled permits through Santa Clara County for remodels along Alum Rock Avenue, additions on the hillside lots above the park, and second units on the subdivided parcels that define this area. That local experience means fewer surprises at plan check and fewer re-inspections. Our team, led by Noel Carranza, manages kitchens, bathrooms, roofing, windows, fencing, hardscaping, and ADUs through one point of contact. You are not chasing four subcontractors. One call sets the scope, the schedule, and the written quote.
We also know that a lot of Alum Rock’s newer construction sits inside HOAs with architectural review requirements, while the older stock predates modern building codes entirely. Both situations demand different paperwork. We handle that too. Homeowners in the 95127 zip code repeatedly tell us the same thing: the written change-order process and the county permitting knowledge are why they would not go back to a San Jose-based crew that has to learn the differences mid-project.
Styles & brands we work with
Licensed General Contractor in Alum Rock
A Licensed General Contractor in Alum Rock manages the full construction scope: permits, demolition, structural work, trade coordination, inspections, and finish installation. Because Alum Rock is unincorporated, the license means we can pull permits through Santa Clara County rather than sending you to figure out county plan check on your own. Most kitchen remodels here run $14,000 to $45,000 depending on cabinet line, countertop material, and whether we move plumbing or electrical. A small kitchen refresh stays in the $9,000 to $20,000 range.
Remodeling on Subdivided Lots
Alum Rock’s older homes often sit on subdivided lots with piecemeal additions built over the decades. That means structural retrofits matter more than they would on a new build. We inspect the existing framing, confirm what the county will require for the new scope, and price the work so you are not surprised by a load-bearing wall hiding behind a 1970s addition.
ADU and Second Unit Work
ADU construction in Alum Rock runs $90,000 to $220,000, and county rules on setbacks and fire-hazard review apply differently on the hillside lots near Alum Rock Park. We pull county permits, schedule plan checks, and manage the site work so the unit is legal and insurable from day one.
Residential General Contractor in Alum Rock
A Residential General Contractor in Alum Rock handles the remodels, additions, and exterior system replacements that make an aging house work for the family living in it now. Homeowners typically call us when a builder-grade kitchen feels cramped, a bathroom leaks into a subfloor, or a roof that has burned through twenty hot summers and rainy winters finally gives out. Roof replacement in this market runs $8,000 to $20,000. Window replacement runs $4,500 to $15,000 for standard residential work, more for impact-rated systems.
Kitchens and Baths on Older Framing
Most Alum Rock remodels start with deferred maintenance. The subfloor is soft under the original linoleum. The electrical panel is original and undersized. We plan for that before demolition starts. A full bathroom remodel ranges from $9,000 to $28,000, and we write the quote so you see exactly which line items cover repair versus upgrade.
Exterior Systems on Hillside Lots
Homes closer to Alum Rock Park sit on slopes and older fill, so drainage and foundation questions come up on paver patios, driveway replacements, and even window retrofits. We address grading at the same time we price the visible work. A paver driveway runs $7,000 to $18,000, and doing it right usually means a drain plan the county will actually sign off on.
Trusted Brands We Service in Alum Rock
We install and service the brands Alum Rock homeowners ask for by name, including Owens Corning in Alum Rock. That includes Therma-Tru entry doors, which hold up well to the east foothills heat, and Master Halco fencing for the larger subdivided lots where privacy matters. For homeowners upgrading builder-grade finishes, we regularly specify ViewLux windows and doors. Because we work with 50+ vetted manufacturer lines, we can match the right material to the right lot condition instead of forcing one brand on every job.
See the difference
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After
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AfterCommon General Contractor Problems We See in Alum Rock Homes
- Building to San Jose code by mistake. Alum Rock falls under Santa Clara County rules, and hillside lots near the park can trigger fire-hazard review and different setback requirements. A contractor who assumes city code creates plan check delays.
- Voiding builder warranties. Newer homes in the 95127 zip code often still carry structural or system warranties, and upgrades that skip the approved-vendor list can void coverage on adjacent systems. We document every allowance in writing.
- Skipping HOA architectural review. Exterior changes like paver driveways or window replacements inside newer Alum Rock developments need written approval first. Skipping it causes stop-work orders.
- Hillside drainage ignored. Lots near Alum Rock Park sit on slopes and fill. Adding a patio or addition without a grading and drainage plan sends water toward the foundation instead of away from it.
Pricing for General Contractor in Alum Rock, CA
Here are the ranges we quote most often for Alum Rock projects. These are market-calibrated for the 95127 zip code, not generic national averages.
| Project | Typical Range in Alum Rock |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Roof Replacement | $8,000 – $20,000 |
| Window Replacement | $4,500 – $15,000 |
What moves the number within those ranges? Cabinet line, countertop material, whether you change the footprint, and what the county review flags on your specific lot. A full kitchen remodel with Wellborn cabinets and Cambria quartz lands at the upper end. A small kitchen refresh without moving plumbing stays near the bottom. Every quote we write is line-item and fixed before work starts. Call (833) 382-8544 for a free estimate, and we will walk the property before pricing anything.
We Also Serve Cities Near Alum Rock
Our General Contractor team works throughout Alum Rock and the surrounding east valley. If you are in East Foothills, San Jose proper, Seven Trees, or Buena Vista, the same full-scope team and written pricing process apply. County permitting differences still matter in each of those areas, and we handle the paperwork either way.
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 General Contractor in Alum Rock
Yes, most kitchen remodels in Alum Rock require Santa Clara County permits, and on a newer home, unpermitted or out-of-spec work can void the builder warranty on adjacent systems like electrical or plumbing. The safest path is a licensed General Contractor who pulls the county permit, documents every change order, and keeps the scope inside your builder warranty provider’s approved parameters. Call (833) 382-8544 and we will tell you what your specific project needs before you sign anything.
The most common first upgrades are kitchen cabinets, countertops, and bathroom fixtures. In Alum Rock, cabinet installation runs $4,000 to $13,000, countertop installation runs $2,000 to $6,500, and a bathroom vanity runs $800 to $3,000. Most homeowners keep the original layout to avoid triggering a county permit, which keeps the project faster and cheaper. Call (833) 382-8544 for a written quote on your specific finishes.
If you live in a newer Alum Rock development with an HOA, exterior changes like paver driveways, new windows, or fencing need written architectural review before construction starts. That is true even when the county permit is already approved. We prepare the submittal package, wait for the approval, and sequence the work so you never get a stop-work letter. Call (833) 382-8544 and we will check your HOA’s specific rules before pricing the job.
Yes. Lots near Alum Rock Park sit on slopes and older fill, and drainage and foundation questions come up on almost every addition or paver patio on those streets. We assess grading, surface water flow, and existing foundation condition before we price the visible work. The goal is a plan Santa Clara County will approve the first time, not after a failed inspection. Call (833) 382-8544 to schedule a site walk.
The best way is a written, line-item quote and a documented change-order process before demolition starts. On a 2018-built home near Alum Rock Park, we replaced builder-grade KraftMaid cabinets with a semi-custom Wellborn line, templated for Cambria quartz, and added a Kohler undermount sink, all while keeping the original cabinet layout to avoid a county permit. We documented each allowance and change order in writing so the homeowner could present the scope to their builder warranty provider without voiding coverage. That is the standard on every job we run. Call (833) 382-8544 and our team, led by Noel Carranza, will price your project the same way.
Written by Noel Carranza, Owner at Gold Star Contractors, serving Alum Rock and the surrounding east valley.