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 Montclair
Home remodeling in Montclair, CA runs anywhere from $9,000 for a small bathroom gut to $220,000 for a full ADU construction, with most kitchen remodels landing between $14,000 and $45,000. The real variable here isn’t labor rates – it’s what your walls hide. Montclair’s housing stock is overwhelmingly 1950s – 70s tract homes, and opening up those walls routinely reveals outdated wiring, cast-iron drains, and framing that hasn’t seen an engineer’s stamp since Eisenhower was in office. Our Home Remodeling team handles that reality with inspection-first pricing and written change orders, so nothing gets approved without your signature. Call (877) 752-4194 for a free estimate that accounts for the house you actually have, not the house the brochure shows.
Why Milpitas Construction Is Montclair’s Preferred Home Remodeling Company
Ken Stafford runs Milpitas Construction with a simple rule: we spec materials by name, so you know exactly what’s going into your home. That’s not marketing language. When we quote a kitchen in Montclair, you’ll see KraftMaid or Wellborn for cabinetry, Silestone or Cambria for counters, Kohler or Grohe for fixtures. No “builder-grade” vagueness, no allowance games.
We’ve remodeled homes along the Holt Blvd corridor, through the ranch tracts off Central Avenue, and up against the foothills on the north edge of 91763. The houses differ. The surprises don’t. What separates us from the revolving door of subcontractors is that one contract covers your full scope – interior to exterior – and one person answers for all of it. That’s the Milpitas Construction difference, and it matters when your 1962 ranch reveals a Zinsco panel mid-demo.
Montclair homeowners call us because they want a full-scope general contractor who has seen every failure mode these postwar houses can throw at a project. We have. We’re not afraid of them. We price them upfront and handle them in writing.
Styles & brands we work with







Full Home Remodel in Montclair
A Full Home Remodel in Montclair means taking a 1950s – 70s tract home and bringing every system up to what 2026 demands – electrical, plumbing, insulation, waterproofing, and layout. Most of these homes in 91763 are single-story stucco on raised foundations or slab, with attached garages. That’s the classic canvas for a whole-house renovation: gut kitchens and baths, open up walls, replace windows and doors, re-roof, and sometimes add square footage. A full remodel typically runs $45,000 to $130,000 when it includes a home addition, and that range accounts for the code upgrades Montclair’s building department will require once walls come down.
We don’t do blanket quotes. We walk the house, check the panel, check the foundation, check the roof pitch. Then we write a number that already includes what we expect to find. If we find more, you approve a change order before we continue. That’s how a full remodel stays honest.
Whole-Home Scope and Sequencing
From the roofline to the kitchen counter – one contractor, one conversation. Your full remodel gets sequenced so you’re not living in a construction zone longer than necessary: exterior envelope first, then interior systems, then finishes. We coordinate permits, inspections, material deliveries, and every trade under one schedule.
When a Full Remodel Makes Sense
You’re facing aging plumbing, original electrical panels, single-pane windows, and a layout that fights how you actually live. Or you bought a Montclair home knowing it needed everything. Either way, a full remodel costs less per square foot than doing it piecemeal over five years, and you live with the disruption once instead of repeatedly.
Home Remodeling Contractor in Montclair
Choosing a Home Remodeling Contractor in Montclair means finding someone who understands that every permit here gets reviewed against California seismic, energy, and local infill rules – not the looser standards you might find in open tracts further east. Because Montclair is fully built out within its 91763 boundaries, almost every project is infill work: additions on tight lots, garage conversions, ADUs tucked behind existing homes, and remodels that trigger structural review because you’re touching load-bearing walls in a 60-year-old house.
A general contractor who handles the whole project, not just one piece of it, is the difference between a remodel that finishes and one that stalls at inspection. We own the full scope: demolition, framing, electrical, plumbing, waterproofing, finishes. You get one point of contact who can tell you why the framing needs a stronger header, which fixtures hold up in Montclair’s hard water, and what the inspector will ask for before you schedule rough-in.
Single-Contract Accountability
No finger-pointing between subcontractors. When the electrician finds a Zinsco panel, the plumber finds cast-iron drains, and the framer finds undersized joists, they all report to Ken Stafford. One contract, one schedule, one accountable team. That’s how we run every project in Montclair.
Why Local Code Knowledge Matters
Montclair’s older homes often sit on raised foundations that settle unevenly. Opening a wall can reveal framing that wouldn’t pass today’s structural check. We know what the city requires, we know what engineers will flag, and we build that into the plan before demo starts – not as a surprise after.
Trusted Brands We Service in Montclair
We carry active access to 50+ brand-name product lines across every major remodeling category, which means your Montclair remodel isn’t limited to whatever the local big-box store happens to stock this quarter. For kitchens and baths, we regularly install Cambria and Silestone countertops, Kohler fixtures, and KraftMaid or Wellborn cabinetry – materials chosen for how they hold up under San Gabriel Valley sun, hard water, and daily use. Because we order directly through our supplier network rather than retail, lead times stay predictable and warranties stay intact. We spec materials by name, so you know exactly what’s going into your home. Premium brands. Proper installation. One accountable team.
See the difference
Before
After
Before
After
Before
AfterCommon Home Remodeling Problems We See in Montclair Homes
- Outdated electrical panels and wiring. 1950s – 70s Montclair tract homes frequently still have Zinsco or early NM cable, and once walls are open, the city requires AFCI protection and a panel upgrade before rough-in passes. We set aside allowances for this so you’re not surprised mid-project.
- Undersized or damaged framing around load-bearing walls. Ranch homes on raised foundations settle over decades, and headers that met code in 1962 often fail today’s structural review once we open the ceiling. We bring in engineering early and price the fix before demo.
- Failed waterproofing behind original tile. Hall baths from this era often have pan liners that were never sloped correctly, which means hidden rot in the subfloor and framing. We remove the tile, assess the damage, and write the repair as a written change order before installing new waterproofing.
- Cast-iron drain lines at the end of their life. Montclair’s older homes run on original cast-iron waste lines that corrode from the inside out. If we find them while the walls are open, replacing them now prevents a slab leak later. The cost gets documented and approved, not buried in a vague “contingency.”
Pricing for Home Remodeling in Montclair, CA
Montclair pricing reflects the reality of infill remodeling: tighter lots, older homes, and code upgrades that are baked into the cost, not hidden from it. Here’s what we see in the 91763 market based on projects we’ve quoted and built:
| Project | Typical Montclair Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| Garage Conversion | $30,000 – $80,000 |
| ADU Construction | $90,000 – $220,000 |
What moves these numbers? Panel upgrades, structural fixes, waterproofing replacement, and how far the plumbing has to travel. That’s why our estimates include allowances for the surprises Montclair’s housing stock is known for. You see the allowance on paper before you sign. You approve any overage in writing before we spend a dollar. Call (877) 752-4194 to schedule your free estimate – we’ll walk your house, open a few walls worth of inspection, and give you a number you can actually plan around.
We Also Serve Cities Near Montclair
Milpitas Construction serves Montclair and the surrounding Inland Empire communities, including Claremont, Ontario, Upland, and La Verne. If you’re just over the border in any of these cities and planning a remodel, addition, or ADU, the same team, brands, and pricing discipline apply. We run one crew across the region, so response times stay tight and accountability doesn’t thin out as we move east.
Serving Montclair, CA — Our Local Coverage Area
We’re based in the Montclair 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 Montclair
Yes, in most cases. A 1962 home in Montclair typically has a Zinsco panel or early NM wiring that won’t support AFCI breakers, and California code requires AFCI protection on nearly every circuit once you open walls and pull a permit. We write panel upgrade and dedicated circuit allowances into your contract upfront, so the change order is ready and you know the number before demo starts. Call (877) 752-4194 for an exact quote on your panel situation.
If the wall is load-bearing, yes – Montclair’s building department requires an engineer’s stamp on the structural plan before issuing a permit. We bring engineering in during the estimate phase, not after demo, so the header size, footing requirements, and beam design are priced into your quote. If we find undersized or damaged framing once the wall is open, the fix gets documented in a written change order before work continues.
The most common is a shower pan that was never sloped correctly, which lets water pool and rot the subfloor behind the tile. We also find failed hot-mop pans and missing moisture barriers behind original wall tile. Once we demo, we assess the damage, price the repair, and install a properly sloped, code-compliant waterproofing system before any new tile goes in. Call (877) 752-4194 for a free bathroom assessment that looks behind the tile you can’t see through.
We write specific dollar allowances for known risk areas – electrical upgrades, structural fixes, waterproofing repair, drain line replacement – directly into your contract. If we use less than the allowance, the unused portion comes off your final price. If we need more, you receive a written change order with the exact scope and cost, and you approve it before we touch anything. No verbal agreements, no vague contingencies. Every surprise is priced and approved in writing.
Yes, and we’ve done it on lots throughout 91763. Montclair requires replacement parking when you convert a garage, and tight lots often mean a compact parking pad or a carport setup that works with your setback. We handle the zoning review, the parking solution, and the full ADU build – including prefab options through manufacturers like Abodu and Boxabl – as one scope under one contract. A garage conversion in Montclair typically runs $30,000 to $80,000, and ADU construction ranges from $90,000 to $220,000. Call (877) 752-4194 to walk your lot and get a realistic number.
Montclair is fully built out within its 91763 ZIP code, and its postwar tract homes often sit on raised foundations with original 1950s – 70s wiring and plumbing. When we open walls during a remodel, we routinely find knob-and-tube or early NM cable, undersized framing, and cast-iron drains that trigger code upgrades before the first inspection sign-off. That’s not a reason to avoid remodeling. It’s a reason to hire a contractor who prices it honestly from the start.
On a 1962 single-story stucco ranch near Holt Blvd, we removed a load-bearing wall between the kitchen and dining room. Once the drywall was off, we found the original panel was a Zinsco with no available AFCI breakers, so we wrote a change order for a full panel upgrade and new dedicated circuits before the rough-in inspection. The finished kitchen included KraftMaid cabinets, a Silestone countertop, and Kohler fixtures, and the client approved every surprise in writing before we touched it.
Including ADU planning and prefab construction – not a future offering, a current specialty. From the roofline to the kitchen counter, Milpitas Construction handles the whole project. Call (877) 752-4194 to schedule your free estimate in Montclair, and let’s walk your house together.
Written by Ken Stafford, Owner at Milpitas Construction, serving Montclair and the eastern San Gabriel Valley.