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 Sunnyvale, CA
Sunnyvale sits at the heart of Silicon Valley, and the construction work here reflects that reality. This is a city of 1950s and 60s tract ranches being systematically re-permitted and rebuilt into much larger two-story homes, alongside the massive office and R&D build-out near Moffett Field. Gold Star Contractors handles the full renovation scope on these homes – from structural work and panel upgrades to kitchens, baths, and ADUs – with one accountable team. If you’re planning a home renovation in Sunnyvale, call us at (833) 382-8544 for a free estimate.
Why Sunnyvale Homes Are Different
Sunnyvale’s core housing stock in the 94086 and 94087 ZIP codes is dominated by post-war single-family ranches and Eichler-influenced tract homes built in the 1950s and 60s. These homes now sit on some of the most expensive residential land in the country, and the typical project has shifted from simple updates to whole-home replacement, second-story additions, and foundation retrofits. The original homes were built on small lots, often with neighboring structures sitting within inches of the property line, which means every second-story addition and new foundation is squeezed by City of Sunnyvale setback, height, and daylight-plane limits. We plan for those constraints from day one.
The climate is mild and Mediterranean with no snow load, so roofing and exterior systems don’t fight the same conditions you’d see in Tahoe. But seasonal winter rains and expansive clay-heavy soils create plenty of drainage, grading, and foundation work across Sunnyvale. The long dry season also pushes wildfire defense and exterior hardening upgrades, especially on older tract homes. The 94085 and 94089 ZIP codes carry a different profile entirely – industrial flex space, R&D buildings, and newer dense multifamily near Peery Park – but the residential renovation pipeline stays centered on those aging ranches being gutted and rebuilt.
Styles & brands we work with







Our Main Sunnyvale Services
Two services account for the majority of the calls we take from Sunnyvale homeowners. Both run through the same project team, the same brand suppliers, and the same permit process.
General Contractor in Sunnyvale
When a Sunnyvale ranch is being expanded into a two-story rebuild, the homeowner needs a single contractor who can hold the permit, coordinate the structural engineer, schedule the inspections, and manage every trade from foundation to finish. That’s the role we fill as the general contractor on these jobs. Sunnyvale’s permit-heavy planning process means the GC has to be fluent in setback, height, and daylight-plane rules before the first shovel goes in. We manage that entire flow so you don’t sit through plan-check delays alone. General Contractor in Sunnyvale covers the full scope of that work.

Home Remodeling in Sunnyvale
A full remodel in Sunnyvale almost always starts with questions about what the existing framing, foundation, and electrical panel can support. The original 1950s and 60s tract homes were built to a different code standard, and upgrading one system usually exposes another. We handle kitchens, baths, interior reconfiguration, and the structural corrections that come with them as one connected project – not five separate vendor calls. Home Remodeling in Sunnyvale walks through the most common scopes we build in this city.

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 Sunnyvale

Home renovation in Sunnyvale means something different than it does in most of the Bay Area. These 1950s and 60s tract homes were built for a different era – smaller footprints, aging electrical panels, slab foundations that have settled into clay-heavy soil, and layouts that no longer match how a modern family actually lives. The renovation work here is less about cosmetic updates and more about bringing the entire house up to current code while adding usable square footage within tight lot constraints. As a Home Renovation contractor, we manage the structural, mechanical, and finish work as one coordinated scope – from the foundation inspection to the final countertop install. That single-source approach matters in Sunnyvale, where permit review and plan checks can add weeks to a project if the drawings don’t anticipate the city’s setback and daylight-plane limits from the start.
Home Renovation Contractors
Signs you need it
If your Sunnyvale home still runs on its original 1960s electrical panel, has settled slab floors, or can’t support a second story without structural retrofits, you need a renovation contractor who handles the full scope rather than one trade at a time.
What it costs in Sunnyvale
A full home renovation in Sunnyvale typically runs from $45,000 to $130,000 depending on whether you’re renovating a single wing or gutting and rebuilding the entire structure.
How we do it
We start with a structural and code assessment of the original framing, foundation, and panel, then produce a permit-ready plan that accounts for Sunnyvale’s setback and height limits, and finally schedule the trades as one coordinated crew rather than sequential vendors.
Home Renovators
Signs you need it
When you’re living in a tract ranch that was built for 1,100 square feet of living but you need 2,400, the original floor plan, plumbing runs, and roofline all have to be reconsidered at once – that’s the point where a full renovator makes sense.
What it costs in Sunnyvale
House-wide renovation on a Sunnyvale ranch, including panel upgrades and structural corrections, falls between $45,000 and $130,000 depending on the square footage and the condition of the original slab.
How we do it
We pull the permits, manage the structural engineer, handle the foundation and framing corrections, and then run the interior finish trades through one project schedule with one point of contact.
Renovation Contractors
Signs you need it
If you’ve already had one trade tell you the electrical needs full replacement, another tell you the roof framing is undersized, and a third quote you a kitchen that doesn’t solve either problem, it’s time for one contractor who owns the whole scope.
What it costs in Sunnyvale
Coordinated renovation work that includes structural, mechanical, and finish scope on a Sunnyvale tract home typically lands between $45,000 and $130,000.
How we do it
We consolidate the permits, the engineering, and every trade under one schedule so the panel upgrade, roof framing, and interior finish work happen in the right order without coordination gaps.
What Home Renovation Costs in Sunnyvale
| Item | Typical range in Sunnyvale |
|---|---|
| Home renovation (full scope) | $45,000 – $130,000 |
| Kitchen remodel | $14,000 – $45,000 |
| Bathroom remodel | $9,000 – $28,000 |
How long does a full home renovation take in Sunnyvale?
Plan on four to eight months for a full renovation on a Sunnyvale tract home. The permit review at City of Sunnyvale planning plus structural retrofit work on the original slab typically adds four to six weeks compared with a cosmetic remodel. Call (833) 382-8544 for a schedule based on your specific scope.
Will the price change once the renovation starts?
No. We quote a fixed price with a written line-item scope before work begins, and we don’t issue change orders unless you add scope. In Sunnyvale’s clay-heavy soil, we test the slab before quoting so foundation surprises don’t appear mid-project. Call (833) 382-8544 for a free estimate.
Brands We Service in Sunnyvale
Our renovation work in Sunnyvale runs on materials from the brands we trust, not whatever is stocked at the nearest supply counter. On the prefab and ADU side, we work with our brands including Abodu, Dvele, and Mighty Buildings. For interior fixtures and finishes, our brand access runs from Kohler and Toto plumbing to Cambria and Caesarstone countertops, with parts ordered directly and delivered to the Sunnyvale job site.
See the difference
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AfterPricing for Remodeling Company in Sunnyvale, CA
| Service | Typical range in Sunnyvale |
|---|---|
| Kitchen remodel | $14,000 – $45,000 |
| Bathroom remodel | $9,000 – $28,000 |
| Roof replacement | $8,000 – $20,000 |
| Window replacement | $4,500 – $15,000 |
| Paver driveway installation | $7,000 – $18,000 |
| Home addition | $45,000 – $130,000 |
| ADU construction | $90,000 – $220,000 |
| Garage conversion | $30,000 – $80,000 |
| Vinyl fence installation | $3,500 – $9,000 |
| Metal roof installation | $15,000 – $40,000 |
Prices in Sunnyvale push upward when the city’s setback and daylight-plane limits force a second-story addition to shrink or a foundation to shift, which adds engineering time. Clay-heavy soil also means more slab and drainage work on older tract lots. We quote a fixed price with a written line-item scope, and we hold that number unless you add scope.
Neighborhoods We Serve in Sunnyvale
We work across every residential ZIP in Sunnyvale – 94086, 94087, 94085, and 94089 – and we’re familiar with how each pocket of the city handles permits and access.
- Cherry Chase
- Ponderosa Park
- Lakewood Village
- Raynor Park
- San Miguel
We typically schedule site visits in Sunnyvale within a few business days of your call, and we pull city permit records before that first visit so we know what’s already on file for the property.
Service Area – Cities Near Sunnyvale
We’re based close enough to run projects across the South Bay, and a lot of our Sunnyvale work sits near the neighboring cities. If you’re planning a renovation in Mountain View, CA, Santa Clara, CA, Loyola, CA, or Cupertino, CA, the same project team and the same brand suppliers cover that territory.
Serving Sunnyvale, CA — Our Local Coverage Area
We’re based in the Sunnyvale 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 Sunnyvale
Yes. City of Sunnyvale planning requires permits for structural work, second-story additions, foundation retrofits, and most electrical or plumbing scope, and we pull every permit and schedule the inspections. The permit process is one of the longest parts of a Sunnyvale job, and we build that timeline into the schedule before we quote.
We usually schedule a site visit within a few business days of your call, and we pull the property’s existing permit records before we arrive. From there, we produce a written line-item estimate. Call (833) 382-8544 to set up the visit.
Yes. We’ve worked inside HOAs across Sunnyvale, including older tract communities and newer multifamily. We handle the HOA approval paperwork as part of the project file, and we build any HOA-mandated material or color requirements into the quote so there are no surprises later.
If you’re ready to get a real number for your Sunnyvale renovation, call Gold Star Contractors at (833) 382-8544 for a free estimate. One contractor, every system, no handoff gaps.
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 Sunnyvale Customers Say
"Allowances in the contract were realistic rather than artificially low to make the bid look good."
— Danielle Vaughn"He was upfront about a soil issue that added cost early rather than absorbing it and surprising us at the end."
— Michelle Wong"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."
— Doug Mercer