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 Los Gatos
Finding a General Contractor in Los Gatos who understands zero-lot-line builds, historic review, and hillside fire code is not the same as hiring one in Campbell or San Jose. We know Los Gatos parcels, which is why we quote differently here than we do ten minutes east. If you’re planning a kitchen gut, a second-story addition, or an ADU on a steep 95033 lot, call Norm Castellano and our team at (855) 382-3257. We’ll walk the site before we put a number on it, because access and party walls change everything.
Why Toolbox Contractors Is Los Gatos’s Preferred General Contractor Company
Los Gatos homeowners call us after they’ve already spoken to two or three contractors who bid the job from square footage alone and never mentioned the neighbor’s wall. That’s the difference. We’ve done the Almond Grove additions, the downtown remodels that triggered historic preservation review, and the hillside builds where the Town and Santa Clara County FireSafe both have a say in your roof assembly and vents. Our reputation in Los Gatos is built on quotes that hold because we counted the hand-carry labor, the wall protection, and the delivery cadence before we put a price in front of you.
Norm Castellano leads every Los Gatos estimate personally. That matters on a constrained site because the person who writes your quote is the same person who has to make the numbers work when the staging area is your neighbor’s goodwill and a six-foot strip of driveway. We do not hand your project to a rotating project manager who has never seen Bachman Avenue. The crew that shows up knows the site plan, understands the work-hour rules, and has the written noise and dust plan we promised your neighbors before demo day. That’s why Los Gatos clients recommend us to the house next door.
Response time to Los Gatos from our San Bernardino base is planned, not improvised. We do not promise same-day anything on a remodel, and we won’t pretend to. What we do promise is a scheduled estimate, a written line-item quote, and a start date that accounts for Town review timelines when your project needs them. For genuine emergencies like a storm-damaged roof or water intrusion, we fast-track a Los Gatos visit. For everything else, you’ll know exactly when we’re coming.
Styles & brands we work with
Residential General Contractor in Los Gatos
Residential General Contractor work in Los Gatos is rarely a simple swap. Most of the homes on the flat side of town, in Almond Grove and the streets off Santa Cruz Avenue, were built between the 1880s and the 1930s. That means knob-and-tube wiring, balloon framing, pier-and-post foundations, and a wall that legally belongs to your neighbor as much as to you. A kitchen remodel here is a structural conversation before it’s a cabinet conversation. On the hillside, a Residential General Contractor in Los Gatos is dealing with engineered retaining walls, drainage that handles atmospheric-river runoff, and Class A fire-rated assemblies the Town and the County both sign off on.
Typical Los Gatos home addition work runs $45,000 to $130,000 depending on whether you’re building out on a flat lot or up on a hillside pad. An ADU on a 95033 hillside lot starts around $90,000 and can reach $220,000 once fire-hardened assemblies, taller retaining structures, and longer utility runs are in the scope. A kitchen remodel in Los Gatos ranges from $14,000 to $45,000. Those numbers are not abstract. They reflect what we see every week on Los Gatos sites where the staging area is the street and every bundle of material is hand-carried through a gate the neighbor also uses.
Zero-Lot-Line and Party-Wall Remodels
Downtown Los Gatos and Almond Grove parcels routinely sit on 25- to 40-foot-wide lots with no side setback to spare. Any addition or second-story project here is legally a party-wall and zero-lot-line negotiation before it is a construction project. We write the party-wall access agreement, the dust-and-noise plan, and a delivery schedule into your scope of work before demolition. That’s how neighbors stay cooperative and inspections pass on the first visit.
Historic-Sensitive Renovation
A remodel on Almaden Lane or North Santa Cruz Avenue can trigger the Town of Los Gatos historic preservation review and design guidelines even when the property is not a designated landmark. Standard details get rejected. We prepare submittals that match the Town’s expectations for the period of your house, which saves weeks of back-and-forth and keeps your project moving.
Hire a General Contractor in Los Gatos
When you hire a General Contractor in Los Gatos, you’re hiring someone to absorb the complexity that a single-trade remodeler never sees coming. A bathroom on the second floor of a 1910s Craftsman means opening a balloon-framed wall, confirming the floor joists can carry a new wet area, and coordinating a plumber who understands that the cast-iron waste line probably runs through a shared wall. A deck on the west side of town means fire-compliant decking and defensible-space detailing that a contractor from the valley floor might never mention. That’s the job. One contract, one person accountable for every trade, every permit, and every neighbor conversation.
Costs follow the same logic. Hire a General Contractor in Los Gatos for a bathroom remodel and you’re looking at $9,000 to $28,000 depending on whether you’re doing a cosmetic refresh or gutting to the studs on a zero-lot-line wall. A roof replacement runs $8,000 to $20,000, and on the 95033 side you need a roofer who is certified for the material you choose because fire-rated underlayment and ember-resistant vents are not optional. Norm Castellano quotes every job with these Los Gatos realities already priced in. Call (855) 382-3257 and we’ll come walk the property.
Additions and ADUs
An addition on a flat Los Gatos lot costs $45,000 to $130,000. On a hillside parcel with WUI fire requirements, an ADU runs $90,000 to $220,000. We pull both the Town permit and the County FireSafe sign-off so you’re not caught between two agencies.
Full-Scope Remodels
A Los Gatos kitchen ranges from $14,000 to $45,000 and a bathroom from $9,000 to $28,000. The same team that sets your KraftMaid cabinets and Cambria countertops can replace the roof, swap the windows, and rebuild the fence. One contractor, every phase.
Trusted Brands We Service in Los Gatos
We install and service materials from brands Los Gatos homeowners already know: GAF and CertainTeed roofing systems, PGT impact windows, CGI hurricane-rated windows, and Tamko or Boral roofing products where the project calls for them. Because we work with 50-plus vetted manufacturers across every phase of a build, you’re not stuck choosing from a generic catalog. We also keep our Los Gatos material ordering tight to the delivery schedule, so a narrow lot off Bachman Avenue is not buried in pallets for three weeks. Faster turnaround on materials means less friction with the neighbor whose driveway you share. When you call (855) 382-3257, ask us which brand fits your Los Gatos project and budget.
See the difference
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After
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AfterCommon General Contractor Problems We See in Los Gatos Homes
- Zero-lot-line party-wall access: On a 30-foot-wide Almond Grove lot, any addition touches the neighbor’s wall or comes within inches of it. We write the access agreement and protection plan before demo so your project does not stall over a property-line dispute.
- Historic preservation review surprises: A downtown Los Gatos remodel can trigger Town design guidelines even if the house is not a designated landmark. Standard drawings get sent back. We prepare period-appropriate details from the start.
- Hillside drainage and fire code conflicts: Winter atmospheric-river storms send runoff down through Los Gatos Creek and onto downhill lots. A hillside ADU in 95033 needs drainage, retaining walls, and Class A fire assemblies that all have to be engineered together, not bolted on later.
- Constrained staging and hand-carry labor: A narrow driveway and a shared wall mean every sheet of drywall and every cabinet box is walked in by hand. Quotes that ignore that labor never hold. Ours count it from day one.
Pricing for General Contractor in Los Gatos, CA
Los Gatos pricing reflects the site, not just the square footage. A bathroom remodel runs $9,000 to $28,000. A kitchen sits between $14,000 and $45,000. A roof replacement runs $8,000 to $20,000, and if you’re in 95033 the fire-rated assembly will push you toward the upper end. A home addition starts at $45,000 and can reach $130,000 depending on access and party-wall work. An ADU on a hillside lot runs $90,000 to $220,000. These ranges assume a Los Gatos site with real constraints: historic review, neighbor walls, hand-carry logistics, and Town plus County sign-offs. Call (855) 382-3257 and Norm Castellano will give you a written line-item quote that accounts for all of it.
| Service | Los Gatos Price 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 |
| Roof Replacement | $8,000 – $20,000 |
We Also Serve Cities Near Los Gatos
Our service area includes all of Los Gatos, from downtown 95030 and 95032 to the hillside parcels in 95031 and 95033. We also work in Monte Sereno, Lexington Hills, Cambrian Park, and Saratoga. If your project sits in any of these neighboring communities, the same site-first quoting applies. Learn more about us as a General Contractor team or see how we serve Los Gatos specifically.
Serving Los Gatos, CA — Our Local Coverage Area
We’re based in the Los Gatos 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 Los Gatos
A Los Gatos addition quote runs higher because the site itself adds labor that a Campbell lot never requires: hand-carry access on a 25- to 40-foot-wide parcel, party-wall protection and agreements with the neighbor, possible historic preservation review through the Town, and on the 95033 side, WUI fire detailing and engineered drainage. You’re not paying more for the same job. You’re paying for a different job on a constrained Los Gatos site. Call (855) 382-3257 for an exact quote that shows you the line items.
Yes, a downtown Los Gatos remodel on streets like Almaden Lane, North Santa Cruz Avenue, or in Almond Grove can trigger the Town’s historic preservation review and design guidelines even when the property has no landmark designation. The review considers period-appropriate materials, window proportions, and rooflines. We prepare our Los Gatos submittals to meet those guidelines on the first pass, which saves weeks of revisions. Call us for a free estimate and we’ll tell you whether your project triggers review.
We write a party-wall access agreement and a dust-and-noise plan into the scope of work before demolition starts. On a recent Almond Grove lot off Bachman Avenue, our crew demolished a 1910s Craftsman rear ell and rebuilt it against a shared wall with the neighbor’s kitchen eight feet away. We staged materials in our own driveway on a two-day delivery cadence, wrote the access agreement before demo, and the tie-in to the old balloon-frame wall passed inspection on the first visit. That’s the standard, not the exception. Call (855) 382-3257 and we’ll walk your lot with you.
Yes, we build ADUs and additions on steep Los Gatos hillside lots that fall under Santa Clara County FireSafe and WUI code. Your project will need Class A fire-rated roof assemblies, ember-resistant vents, defensible-space-compliant decking, and engineered retaining walls and drainage to handle atmospheric-river runoff. An ADU on a 95033 hillside lot runs $90,000 to $220,000. Call (855) 382-3257 for a site-specific quote.
Our written scope for a Los Gatos job includes the party-wall access agreement, the delivery and staging cadence, the work-hour plan, wall and surface protection, the permit and review path through the Town and County, and a line-item price for every phase. Nothing is verbal. Nothing is assumed. When the staging area is a shared driveway and a six-foot strip of grass, the scope of work is the document that keeps the project, the neighbor, and the budget all moving in the same direction. Call (855) 382-3257 for a free estimate and a written scope you can actually hold us to.
Written by Norm Castellano, Owner at Toolbox Contractors, serving Los Gatos and the surrounding Bay Area communities.