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 Home Remodeling Across Sunnyvale
Home remodeling in Sunnyvale runs $9,000 for a small bathroom up to $220,000 for a full ADU build, with kitchens landing between $14,000 and $45,000. The bigger variable here isn’t the trade work itself. It’s the permit path: Sunnyvale city ordinances on trees and additions, layered over Santa Clara County rules for wells and septic on acreage, decide how long a project takes and what it costs before demolition ever starts. Silver Line Contractors knows both sets of rules. Call (833) 400-1314 for a free estimate, and we’ll walk the site before quoting anything.

Why Silver Line Contractors Is Sunnyvale’s Preferred Home Remodeling Company
Sunnyvale homeowners hire us because we carry the full scope under one contract. That matters on acreage properties around Hollenbeck Avenue, De Anza Boulevard, and the post-war tracts off El Camino Real, where a remodel often collides with protected trees, county well setbacks, and mid-century slab foundations. We don’t send you to a tree service, a septic engineer, and a separate ADU builder. Our Home Remodeling team runs the whole job, from plan check through final inspection.
Led by Noel Carvalho, Silver Line Contractors works with 50+ manufacturers so you get real material choices, not whatever the vendor has in the yard. Cambria and Caesarstone countertops, KraftMaid cabinetry, Grohe and Toto fixtures: we quote the tier you want and coordinate delivery to Sunnyvale without surprise freight charges. For properties on the county line, we handle both Sunnyvale city permits and Santa Clara County requirements for wells, septic, and structural work, so one point of accountability covers the entire entitlement gauntlet.
Styles & brands we work with







Full Home Remodel in Sunnyvale
Full Home Remodel work in Sunnyvale usually means opening walls, replacing systems, and reworking floor plans inside a 1950s or 60s ranch, often while the family still lives there. These homes have slab-on-grade foundations, post-and-beam ceilings, and original single-pane glass. The job typically includes kitchen and bath rebuilds, flooring, drywall, electrical panel upgrades, and window replacement to meet California Title 24 energy rules. Budgets in Sunnyvale run $45,000 to $130,000 depending on square footage and structural changes.
Whole-Home Scope on Acreage
On larger lots, a full remodel often pulls in exterior work: roofing, siding, hardscape, even a detached shop or ADU. We scope the inside and outside together so one permit set covers everything, and one crew sequence keeps the project moving.
Eichler and Ranch Renovation
Sunnyvale’s Eichler-style homes bring specific challenges: radiant heat in the slab, post-and-beam roof structures, and glass walls that don’t meet current energy codes without careful replacement. We’ve worked in the Eichler tracts near Serra Park and understand what can be retrofitted and what must be rebuilt.
Home Remodeling Contractor in Sunnyvale
A Home Remodeling Contractor in Sunnyvale is more than a generalist. The right contractor knows how Sunnyvale’s tree-preservation ordinance shapes setbacks, how county septic rules affect addition footprints, and which remodeling scopes require a city arborist permit before grading begins. Silver Line Contractors has worked these sites, including a half-acre lot off Hollenbeck Avenue where we remodeled a 1960s ranch with a detached shop and added a 900 sq ft ADU. The existing well and septic had to be relocated to meet county setbacks, the driveway had to be widened for material hauls, and we handled the Santa Clara County permits through rough-in and final. The client ended up with a full home remodel, KraftMaid cabinets and Cambria counters tying the main house and ADU together.
Permit Navigation
Sunnyvale city and Santa Clara County have different jurisdictions depending on the work. Wells, septic, and some structural changes require county review, while ADU siting and tree impacts go through Sunnyvale. We file both, respond to plan-check comments, and pull the inspection cards.
Single-Contract Accountability
When one contractor carries the remodel from the roof down to the driveway, there’s no finger-pointing between trades. We schedule material deliveries, coordinate subs, and hold the line on the quote unless you change the scope. That’s the point of writing one contract.

Trusted Brands We Service in Sunnyvale
Sunnyvale clients ask for specific manufacturers by name, and we carry those relationships. Schluter systems for waterproofed showers, Toto and Grohe fixtures for baths, Sterling plumbing at the mid-range. Our suppliers stock most of these locally in the South Bay, so delivery to a Sunnyvale job site doesn’t add two weeks to the schedule. When a brand goes on backorder, we quote an equivalent at the same tier instead of holding your remodel hostage. Material options at every budget tier means we’ll spec the fixture line you want, then build around it.
See the difference
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AfterCommon Home Remodeling Problems We See in Sunnyvale Homes
- Protected tree conflicts. Sunnyvale’s tree-preservation ordinance requires a city arborist permit, and sometimes a heritage-tree variance, before you can dig within the root zone of a protected tree. On acreage properties with mature oaks, this can add weeks and force foundation or ADU footprints to shift.
- Well and septic setbacks. Large lots outside the city sewer district often run on private wells and septic systems. County rules dictate how close an addition or ADU can sit to those systems, and relocating a septic field isn’t a small line item.
- Slab foundation surprises. Post-war tract homes built on slab-on-grade hide plumbing in the concrete. Opening a wall for a kitchen remodel often means saw-cutting the slab to relocate drain lines, which trades around $2,000 to $6,000 depending on access.
- Material haul logistics. Long driveways and narrow access roads on acreage lots can force dumpsters, lumber deliveries, and concrete trucks to stage on the street, adding delivery fees and sometimes temporary driveway widening.
Pricing for Home Remodeling in Sunnyvale, CA
Sunnyvale remodel pricing tracks the cost of labor, permit fees, and materials in the South Bay market. A kitchen remodel runs $14,000 to $45,000, a bathroom $9,000 to $28,000, and a home addition $45,000 to $130,000. ADU construction runs $90,000 to $220,000, and a garage conversion $30,000 to $80,000. What shifts the number: protected tree requirements, septic system relocation, structural upgrades on older slabs, and material tier. Here are the line items we quote most often in Sunnyvale:
| Project | Typical Range |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
Estimates are free and written as line items. Call (833) 400-1314 to schedule a site walk in Sunnyvale.
We Also Serve Cities Near Sunnyvale
Silver Line Contractors serves Sunnyvale and the surrounding cities, including Mountain View, Santa Clara, Loyola, and Cupertino. If your property sits near the city line or on county acreage, we’ll confirm which jurisdictions apply to your permit package before we quote.
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 Home Remodeling in Sunnyvale
Yes, in most cases. If your property relies on a private well and septic system rather than city utilities, Santa Clara County holds jurisdiction over those systems and the structural provisions tied to them. That means a detached ADU on acreage often requires both Sunnyvale city approval for zoning and tree impacts, plus county permits for well and septic setbacks. Expect the county piece to add two to six weeks to plan review. Call (833) 400-1314 and we’ll determine your exact permit path before you commit to a design.
Sunnyvale’s tree-preservation ordinance can stop a remodel before it starts. If your project requires digging, grading, or pouring foundations within the root zone of a protected tree, the city requires a permit from the city arborist, and some heritage trees need a variance. That process can shift your addition or ADU footprint and add weeks to the schedule. We map protected trees during the initial site walk, so the quote reflects reality, not a surprise at plan check.
County code requires minimum setback distances between septic systems, wells, property lines, and new structures. If your existing system sits where the addition or ADU needs to go, you’ll either shift the structure or relocate the septic and well. Relocation costs vary widely: leach field replacement starts in the low five figures and climbs fast with soil conditions. We scope this with a civil engineer before quoting, so it never hits as a change order.
We plan the logistics before the dumpster shows up. On long driveways or narrow easements, we stage materials on the street, schedule concrete trucks and lumber deliveries in sequence, and widen temporary access points where the grade allows. On larger properties, we sometimes bring in a compact track loader or a small crane. Delivery fees on acreage runs $300 to $1,500 depending on distance and materials, and we quote it as a line item rather than burying it.
It starts with a site walk to check setbacks, tree impacts, and utility locations. Then we prepare drawings, file Sunnyvale city permits, and add Santa Clara County reviews for wells, septic, or grading where required. Once approved, we coordinate the concrete, framing, electrical, and finishes under one contract, with one inspection schedule. Typical outbuilding or shop builds in Sunnyvale run $30,000 to $80,000 depending on size, electrical service, and site conditions. Call (833) 400-1314 for a free estimate.
Written by Noel Carvalho, Owner at Silver Line Contractors, serving Sunnyvale since 2008.