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 typically runs $9,000 – $45,000 for a kitchen or bath, and $45,000 – $130,000 for a full addition, depending on the scope and what’s behind the walls. Most Montclair homeowners call us because their 1940s – 1960s tract home needs work that goes deeper than cosmetic updates: original plumbing, cloth wiring, undersized headers, and slabs poured before modern rebar standards. We’re Millwright Builders, and we handle the whole build, from the roofline to the back patio, on one contract. Call (866) 925-0334 for a free estimate on your Montclair remodel.
Why Millwright Builders Is Montclair’s Preferred Home Remodeling Company
Montclair is a specific kind of market. Nearly every home in ZIP code 91763 was built in the post-WWII boom, between the mid-1940s and the late 1960s. That means single-story stucco-over-wood-frame or concrete-block construction, shallow slabs, and mechanical systems that are now sixty to eighty years old. We know what that looks like once the drywall comes down, because we’ve opened these walls and floors across Montclair enough times to predict what the inspector will flag. Noel Castañeda leads our team, and he’s built our process around one principle: inspect before you bid, and never hide a surprise from the homeowner.
Homeowners in Montclair don’t need a contractor who’s only comfortable with paint and fixtures. They need someone who can re-frame a load-bearing wall, re-pipe a bath, pour a foundation-compatible addition, and still handle the cabinet and countertop selections with real product knowledge. That’s the work we do. We specify the brand, explain the trade-off, and stand behind the install, whether it’s Cambria quartz in a Montclair kitchen or a GAF roof on a 1958 ranch off Ramona Avenue.
Styles & brands we work with







Full Home Remodel in Montclair
A Full Home Remodel in Montclair usually means gutting much of the interior of a 1950s or 1960s tract home and rebuilding it as a cohesive living space, not a patchwork of old and new. The work typically starts with structural and systems assessment: checking the galvanized plumbing, cloth-wrapped wiring, shallow-slab condition, and roof structure. From there, the job includes new kitchens and baths, flooring, windows and doors, drywall, insulation, and often a reconfiguration of the floor plan. A full home remodel in Montclair can range from $14,000 for a modest kitchen-plus-bath refresh up to $130,000 or more for whole-house scope with additions. When you’re taking a home down to the studs, one contract matters, because every trade has to sequence into the next.
Structural and Systems Scope
On a full remodel, we’re not just swapping surfaces. We’re addressing the bones, the rough-in, and the waterproofing. In Montclair, that frequently means replacing original galvanized supply lines with PEX or copper, upgrading the panel to support modern loads, and adding the shear and hold-down hardware the city now requires once walls are open. These aren’t change orders we invent mid-job; they’re written as allowances in the original contract so the pricing is honest from day one.
Interior Finish Package
Once the shell is sound, the finish work runs from KraftMaid or Wellborn cabinetry to Caesarstone or Silestone countertops, Kohler or Grohe fixtures, and flooring that suits a slab-on-grade home: engineered wood, LVP, or tile with proper underlayment. We source from brands we’ve vetted for performance in inland Southern California’s dry heat and seasonal rain, not whatever ships fastest from the distributor.
Home Remodeling Contractor in Montclair
Hiring a Home Remodeling Contractor in Montclair isn’t the same as hiring a specialist who only does kitchens or only does bathrooms. Millwright Builders operates as a licensed general contractor with one point of accountability across every trade, which matters when a kitchen remodel uncovers a framing issue that affects the bath next to it, or when a room addition requires roof tie-in work. We handle interior remodeling, roofing, windows and doors, fencing, and hardscape under the same contract. A homeowner in Montclair should expect a contractor to know the difference between a post-tension slab and a pre-1960 shallow pour, because that one fact changes how an addition gets engineered and permitted. This is the core of what separates our Home Remodeling team from a trade-specific remodeler.
Permit and Foundation Oversight
Montclair’s pre-1960 slabs were poured without modern frost-footing depth and often with little to no rebar. That means any push-out, pop-top, or substantial room addition needs an engineered foundation-compatibility plan, a set of stamped drawings, and a city plan-check that accounts for how the new concrete ties into the old slab. We handle that coordination. You won’t be left to interpret a structural engineer’s note on your own.
One Contract, Every Trade
Your renovation shouldn’t require you to become a project manager. We run the schedule, stage the materials, and sequence the subs: framing, rough plumbing, electrical, drywall, tile, cabinetry, paint, and final trim. If we’re also doing roofing or hardscape on the same project, that’s included in the same written scope, not farmed out to a separate crew with a separate set of assumptions about quality.
Trusted Brands We Service in Montclair
Millwright Builders sources and installs materials from a curated network of 50+ manufacturers, and that matters in Montclair where the housing stock demands products that hold up to hot, dry summers and wind-driven rain. We’re authorized to install Cambria, Silestone, and Caesarstone countertops, and we work with GAF, Owens Corning, and CertainTeed for roofing, James Hardie for siding, and PGT and Therma-Tru for windows and doors. For hardscape, we specify Belgard and Unilock pavers, and we work with Quikrete and Sakrete for concrete and masonry work. For ADU and prefab structures, we partner with Abodu and similar manufacturers, which most conventional remodelers in Montclair can’t offer. Every product we install, we’ve vetted, not just stocked.
See the difference
Before
After
Before
After
Before
AfterCommon Home Remodeling Problems We See in Montclair Homes
- Original galvanized plumbing and cloth wiring. Most Montclair homes from the 1940s – 1960s still carry their original supply lines and two-wire electrical. Once a wall is open, the city will require the exposed systems be brought to current code, and the smart approach is to plan for that in the estimate.
- Undersized load-bearing headers. Many of the older tract homes off Holt Boulevard and Ramona Avenue were framed with headers that don’t meet today’s span tables. Opening a wall for a more open floor plan often means re-engineering a beam, and that has to be priced and permitted, not improvised.
- Shallow-slab complications. Homes on pre-1960 slabs were poured without the footing depth and rebar a modern addition requires. A push-out that isn’t engineered for foundation compatibility will fail plan check or cause differential settling later.
- Failed waterproofing and drainage. Winter rains expose the weaknesses in older flat or low-slope roofs and in stucco that’s seen sixty years of wet-dry cycles. We see failed roof-to-wall flashing, rotted sheathing, and poor site grading around the same Montclair blocks every rainy season.
Pricing for Home Remodeling in Montclair, CA
These are the market ranges we see for Home Remodeling in Montclair, and they reflect the older housing stock and the code work it triggers. A kitchen remodel runs $14,000 – $45,000. A bathroom remodel is $9,000 – $28,000. A home addition starts at $45,000 and can reach $130,000. Cabinet installation runs $4,000 – $13,000, countertops $2,000 – $6,500, and a walk-in shower $4,500 – $12,000. What moves a quote is what’s behind the stucco and under the slab, which is why we inspect before we bid. Call (866) 925-0334 to schedule a free estimate.
| Project | Montclair Price Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
| Walk-In Shower Installation | $4,500 – $12,000 |
We Also Serve Cities Near Montclair
Millwright Builders works across the eastern San Gabriel Valley and the Inland Empire foothills. In addition to Montclair, we serve Claremont, Ontario, Upland, and La Verne. If you’re planning a remodel in one of those cities, the same inspection-first process applies, though the housing stock and slab conditions shift once you cross the county line.
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
Because most Montclair homes are 1940s – 1960s tract builds with original plumbing, cloth wiring, and undersized framing hiding behind the stucco. A contractor who bids the visible surface without inspecting the wall cavities and slab will need a change order the day the walls open. We avoid this by inspecting before we bid and writing allowances for the likely upgrades into the original contract. Call (866) 925-0334 for an estimate built on what’s actually in your walls.
Yes, and they’re predictable. CalGreen, current electrical code, and the city’s plan-check reviewers typically require exposed systems to be brought up to current standards once a wall or ceiling is opened. That means upgraded wiring, hard-wired smoke and CO detectors, and often shear wall and hold-down hardware on older wood-frame homes. We plan for these in the bid instead of treating them as a surprise.
The pre-1960 shallow slab is the issue. Montclair’s older slabs were poured without the footing depth and rebar a modern addition needs, so any push-out or vertical addition requires an engineered foundation-compatibility plan, stamped drawings, and city plan-check before we pour concrete. Contractors who work mostly in newer cities don’t always price this step. We do, because we’ve done it on Montclair properties from the 1950s.
We stop, document the issue, and price it as a written change order you approve before we do any additional work. On a 1950s stucco-over-wood-frame tract home off Holt Boulevard, our crew opened a kitchen wall and found cloth-wrapped wiring and a load-bearing header undersized for the span. We pulled a permit revision, priced the framing and rough-in upgrade in writing, and got the homeowner’s signed approval before closing anything up. No work proceeds on a surprise until the number is on paper and signed.
A kitchen remodel in Montclair runs $14,000 – $45,000. A bathroom remodel is $9,000 – $28,000. A small bath refresh can come in around $5,000 – $12,000. The range depends on whether you’re keeping the existing footprint or moving walls, and whether the slab and rough-in need work. Call (866) 925-0334 for a line-item quote in writing.
Written by Noel Castañeda, Owner at Millwright Builders, serving Montclair and the surrounding cities.