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 Gilroy
Home remodeling in Gilroy runs on two very different schedules depending on where you live. Inside 95020 and 95021, a kitchen or bathroom remodel on an older downtown home moves through the city permit office. Ten minutes east or west, the same scope of work on an acreage parcel suddenly involves Santa Clara County, ag-outbuilding thresholds, septic setbacks, and grading reviews. Millwright Builders knows both tracks. We’ve permitted and built across Gilroy’s valley floor and foothills, from historic stucco homes near downtown to ranch parcels where the shop and the house fall under entirely different code chapters. Call (866) 925-0334 and we’ll tell you which track your project runs on before you spend a dollar.
Key Takeaways
- Full home remodels in Gilroy typically range from $45,000 to $130,000, with kitchen remodels at $14,000 – $45,000 and bathroom remodels at $9,000 – $28,000.
- Rural parcels east and west of Gilroy often require Santa Clara County permits, not city permits, which changes the timeline and sometimes the budget.
- Clay-heavy soil across the Gilroy valley means grading and drainage should be scoped before any foundation or slab work is quoted.
- Millwright Builders handles the full scope, from framing and structural repairs to cabinets, countertops, roofing, and detached ADUs, under one contract.
Why Millwright Builders Is Gilroy’s Preferred Home Remodeling Company
Gilroy homeowners come to us for the same reason we’d hire us if we lived here: the project is too big for a specialty trade and too expensive to hand to a contractor who only knows one phase. We’re a full-scope general contractor. We specify the brand, explain the trade-off, and stand behind the install. That means one conversation about your kitchen cabinets, your roof, your windows, and the detached ADU behind the barn. Not four conversations with four subs who don’t talk to each other.
Our reputation in Gilroy comes from the work itself. We’ve remodeled older single-story homes downtown, where wood framing from the 1940s and 1950s meets modern seismic requirements. We’ve built additions on ranch parcels where the well and septic lines dictate where a foundation can even go. Homeowners around San Martin, Morgan Hill, and the foothills east of 101 have called us after another contractor quoted residential work but never mentioned the outbuilding permit threshold. We don’t miss it. Noel Castañeda leads our team, and every estimate we write for a Gilroy project accounts for the local conditions that actually move the price.
Styles & brands we work with







Full Home Remodel in Gilroy
A Full Home Remodel in Gilroy means taking an existing house down to the studs in phases or all at once, and rebuilding it as a coherent whole rather than a series of patched rooms. We’re not talking about paint and fixtures. We’re talking structural work, re-plumbing, rewiring, insulation, drywall, flooring, kitchens, baths, windows, doors, and often a roof replacement at the same time. On Gilroy’s older stock, a full remodel frequently includes seismic retrofitting and foundation repair, because homes built between 1920 and 1960 on valley clay rarely sit as true today as they did when they were first framed. On acreage parcels, a full remodel often expands to include a new shop, a detached ADU, or regrading around the house. A full home remodel in Gilroy typically runs $45,000 – $130,000 depending on square footage, structural condition, and whether you’re staying in the home during construction.
Structural Scope and Foundation Work
Before we quote finishes, we look at what the house is sitting on. Gilroy’s clay-heavy soil expands and contracts seasonally, which means older pier-and-beam foundations and slab-on-grade both move. We inspect the subfloor, check for racked framing, and scope any sistering, sill plate replacement, or drainage correction before cabinet and countertop numbers ever enter the estimate.
Whole-Home Sequencing and Phasing
If you’re living in the house while we work, we phase the remodel so you always have a functioning kitchen or bath. On rural parcels we also sequence material deliveries around harvest traffic and field equipment, staging on gravel pads where needed. That sequencing is part of what you’re paying a general contractor for. It keeps a six-month remodel from turning into a fourteen-month one.
Home Remodeling Contractor in Gilroy
A Home Remodeling Contractor in Gilroy who only does interior work won’t catch the drainage problem that’s been quietly undermining your foundation for years. Millwright Builders operates as a true general contractor, which means we handle interior remodeling, structural repairs, roofing, windows, doors, fencing, hardscape, and site work under one license and one point of accountability. For a Gilroy homeowner, that’s the difference between managing five separate contracts and making one phone call. A bathroom remodel in Gilroy runs $9,000 – $28,000. A kitchen remodel runs $14,000 – $45,000. But when those projects sit on a failing foundation or a lot that drains toward the house, the scope has to start outside the room. That’s what our estimates account for.
Single-Point Accountability Across Trades
We don’t hand you a phone list. We’re the contractor who pulls the permit, schedules the inspections, orders the materials, and answers for the work. Cabinet install, window replacement, roof repair, concrete driveway, paver patio, detached ADU. All of it under one contract, with one warranty conversation at the end.
Material Selection Without the Runaround
We source from a vetted network of 50+ manufacturers, not whatever the supply house has in stock this week. You’ll see real options in cabinetry, quartz, roofing, and windows, and we’ll explain the trade-offs between them. A Cambria or Caesarstone countertop carries a manufacturer warranty. A builder-grade slab carries whatever the fabricator gives you. We’d rather you know the difference before you sign.
Trusted Brands We Service in Gilroy
We install and stand behind products from manufacturers that hold their own warranties to a high standard. On Gilroy remodels we regularly specify Grohe plumbing fixtures, GAF or CertainTeed roofing, and Owens Corning insulation and underlayment systems. These aren’t builder-grade defaults. They’re products we’ve seen perform across Santa Clara County’s hot summers and wet winters. Because we maintain direct relationships with these manufacturers, Gilroy homeowners get access to full warranty-backed product lines and we can usually resolve material issues faster than a contractor working through a third-party distributor. If you have a brand in mind, ask us about it. If we don’t carry it, there’s usually a structural reason why.
See the difference
Before
After
Before
After
Before
AfterCommon Home Remodeling Problems We See in Gilroy Homes
- Clay-soil movement under older foundations. Gilroy’s expansive clay expands in winter and contracts in summer, which racks framing and opens cracks in stucco and drywall. We commonly sister load-bearing members and correct drainage before cosmetic work begins.
- Unpermitted outbuildings discovered mid-project. On rural parcels east and west of Gilroy, an existing shop or barn sometimes was never permitted to begin with. When a remodel touches it or ties into it, the county requires a separate track of approvals before we can proceed.
- Grading failures around slab foundations. Winter rains push clay-heavy soil against foundations and undercut subfloor framing on open lots. If drainage isn’t scoped and corrected, new finishes, flooring, and cabinets take the hit within a few years.
- Older homes with original single-pane windows and no envelope sealing. Gilroy’s hot, dry summers and rainy winters punish unsealed envelopes. We regularly replace windows and doors and seal the full envelope during a remodel, not after the drywall and paint are done.
Pricing for Home Remodeling in Gilroy, CA
Prices below are what Gilroy homeowners actually see, not national averages. Your specific number moves based on square footage, structural condition, site access, and whether the city or Santa Clara County has jurisdiction. The clay-soil and grading work we mentioned earlier can add a few thousand dollars to a foundation-heavy remodel, but skipping it costs far more later. Here are our market-calibrated ranges for common Gilroy scopes:
| Project | Typical Gilroy Range |
|---|---|
| Full Home Remodel | $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 |
| Cabinet Installation | $4,000 – $13,000 |
| Concrete Driveway Installation | $4,500 – $12,000 |
Every estimate we write for Gilroy is free and comes as a written line-item quote. No change orders unless you change the scope. Call (866) 925-0334 and we’ll schedule a walkthrough at your place.
We Also Serve Cities Near Gilroy
If you’re outside Gilroy but still in South Santa Clara County, we likely cover your area. We work in San Martin, Aromas, Morgan Hill, and San Juan Bautista, and much of the permitting logic for Gilroy applies there too, especially on county parcels. Our full Home Remodeling team operates out of South San Francisco and covers the entire Gilroy corridor. For more on what we do specifically around here, see our Home Remodeling in Gilroy page.
Serving Gilroy, CA — Our Local Coverage Area
We’re based in the Gilroy 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 Gilroy
If your parcel falls outside the Gilroy city limits, the Santa Clara County planning and building department usually has jurisdiction, not the city of Gilroy. That changes the application path, the plan review timeline, and sometimes the scope of what’s required. We determine jurisdiction before we quote so there are no surprises. Call (866) 925-0334 and we’ll confirm what applies to your parcel.
On rural Gilroy parcels, agricultural outbuildings and shops often sit under different code thresholds and permit tracks than the primary residence. If a remodel connects to one, or if a lender or appraiser flags an unpermitted structure during a refinance, the project scope changes. We identify these structures early and tell you what the county will require before you commit to a sscope.
Clay soils expand when wet and shrink when dry, which means they move. That movement transfers into foundations and framing over time. On a remodel, correcting for it may mean additional drainage, deeper footings, or slab stabilization, all of which add cost to the structural phase. We scope and price that work before we quote finishes, not after. Call (866) 925-0334 for an exact number on your lot.
Yes, and we do it regularly. A detached ADU in Gilroy or on surrounding county land typically runs $90,000 – $220,000 depending on size, site access, septic capacity, and finish level. We work with brands like Abodu and Plant Prefab for prefabricated ADU structures, which can shorten the build timeline significantly compared to stick-built. We’ll help you understand which approach fits your parcel and your budget.
We sequence deliveries around field-equipment traffic and stage materials on gravel pads when the site allows. Cabinets, countertops, and rough-in materials get scheduled so they arrive in the right order and don’t sit exposed to Gilroy’s summer heat or winter rain. That sequencing is part of the general contractor’s job, and it’s a big reason rural remodels go smoother with one accountable contractor running the schedule. Call (866) 925-0334 and we’ll walk you through how we’d schedule your project.
Written by Noel Castañeda, Owner at Millwright Builders, serving Gilroy and the South Santa Clara County area.