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 Rancho Cucamonga
Most Rancho Cucamonga remodels aren’t just about new cabinets or a bigger kitchen. They’re about what you find when the walls come open. A 1978 tract home off Foothill Blvd almost always has original aluminum wiring. A hillside property in 91737 needs a soils report before you can pull a permit for an addition. We plan for that from the first walkthrough. Our General Contractor team works across every ZIP in Rancho Cucamonga, from the flatlands around 91701 to the custom-home slopes of 91739. Call (877) 752-4194 and we’ll schedule a free estimate, walk the property with you, and tell you what your project will actually involve before you commit to anything.
Why Milpitas Construction Is Rancho Cucamonga’s Preferred General Contractor Company
We know this city’s housing stock because we’ve worked inside it. The south-side tracts near Foothill Blvd were framed in the 1970s and early 1980s. The hillside builds in 91737 and 91739 sit on alluvial fans below the Cucamonga Wilderness, and the soil behaves differently up there than it does down on the valley floor. That’s not trivia. It changes how you pour a foundation, build a retaining wall, or frame an addition. Homeowners in Rancho Cucamonga tell us the same thing after their first project with us: the quote matched the final invoice, and they knew what was happening at every phase. Ken Stafford built this company around that principle. He’s personally walked dozens of Rancho Cucamonga properties north and south of the 210, and he reviews every scope of work before it goes to the owner. We’re licensed and insured, and we carry the material brands this city’s homeowners actually ask for by name.
How We Handle the Hidden Problems
We inspect first. Before demolition, we open access panels, check the panel box, pull a few outlets, and look under sinks and around windows. On a pre-1980 home south of Foothill, that inspection almost always surfaces aluminum branch wiring or failed waterproofing at the subfloor. When we find it, we write a change order with a fixed price and get your signature before we touch the wall. No vague “we’ll see what we find” language. No allowance that balloons later without your knowledge.
Single-Contract Accountability
One contract covers the whole job. Roof, windows, hardscaping, kitchen, bath, ADU. When something moves on the schedule, you call one number and talk to one person. You never have to mediate between a roofer who finished late and a cabinet crew waiting to start. From the roofline to the kitchen counter, one contractor, one conversation.
Styles & brands we work with







General Contractor Services in Rancho Cucamonga
General Contractor Services in Rancho Cucamonga span the full project lifecycle: demolition, structural framing, rough-in plumbing and electrical, finish carpentry, cabinetry, counters, paint, and final inspection. A typical kitchen remodel here runs $14,000 – $45,000. A primary bathroom runs $9,000 – $28,000. For a hillside addition, the range climbs to $45,000 – $130,000 because of the engineering, soils report, and slope-stability letter the city requires. We handle all of it under one contract.
Kitchen and Bath Remodels
We spec materials by name. Cambria or Caesarstone counters, Kohler fixtures, KraftMaid cabinetry. You know exactly what’s going into your home, and we order through authorized suppliers, not surplus lots. Every allowance is written into the contract before we start.

Additions and ADUs
Rancho Cucamonga’s ADU market is active, and we build prefab ADUs through manufacturers including Abodu, Dvele, and Plant Prefab. No city requirement surprises us. If the project needs a soils report and slope-stability letter, it’s in the scope from day one, not discovered at the plan check counter.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Construction Company in Rancho Cucamonga
As a General Contractor in Rancho Cucamonga, Milpitas Construction operates as a full-scope construction company. That means we pour the slab, frame the walls, hang the drywall, set the tile, and install the windows ourselves, through our own crews and a vetted roster of trade partners. We don’t hand you a pile of subcontractor phone numbers.
Exterior Scope: Roof, Windows, Driveways
Rancho Cucamonga’s summer heat and the Santa Ana winds that barrel down the Cajon Pass each fall make exterior material choices specific. We install Class A fire-rated roof assemblies and ember-resistant vents in the wildland-urban interface zones that climb into the foothills. Roof replacement in Rancho Cucamonga runs $8,000 – $20,000. Window replacement, which matters when July highs top 100°F, runs $4,500 – $15,000. Driveway replacement on the older slab foundations runs $5,000 – $14,000.
Interior Scope: Cabinetry, Counters, Fixtures
Material selection should be guided, not guesswork. We walk you through contractor-grade brand tiers, not big-box store options. That’s the difference between a kitchen that looks sharp for two years and one that still works in fifteen. Silestone counters, Wellborn cabinetry, Grohe fixtures. Named brands, proper installation, one accountable team.
Trusted Brands We Service in Rancho Cucamonga
We carry active access to over 50 brand-name product lines, and we pick them specifically for how they perform in Rancho Cucamonga’s climate and housing types. Countertops by Cambria and Caesarstone hold up to UV exposure and daily use in a 1970s tract home remodel. Kohler fixtures perform through the hard water common across the Inland Empire. Our relationship with these manufacturers means we can order faster than a contractor who buys per-job from a supply house, and we stand behind the installation with a workmanship warranty. You’ll never get a mystery brand or a “comparable” substitution.
Common General Contractor Problems We See in Rancho Cucamonga Homes
- Original aluminum wiring in pre-1980s tract homes. South of Foothill Blvd, the original branch wiring in many 1970s homes is aluminum, not copper. Once a wall is open for a kitchen or bath remodel, city code often triggers a full rewire discussion. We catch this in the pre-inspection and price it in writing before demo starts.
- Water damage at subfloors and window openings. In older stucco-on-wood-frame homes, decades of irrigation overspray and aging flashing let water into the framing. Opening a wall often reveals rotted sill plates and subfloor damage around sinks and windows. We write a repair line item into the contract when we see it coming, not after the tile is half-installed.
- Hillside additions that skip the soils report. In 91737 and 91739, any addition or retaining wall over 4 feet requires a soils report and slope-stability letter from a licensed geotechnical engineer. Flatland contractors who try to run the same plan check as a 91701 project either get rejected at the counter or, worse, get a foundation that wasn’t engineered for the slope.
- Allowances that don’t match the homeowner’s actual selections. When a quote says “$3,000 tile allowance” but the homeowner picks a $6,000 tile, the invoice jumps. We write realistic allowances based on the brands we know you’re likely to choose, and we present upgrade costs before the order is placed, not after installation.
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AfterPricing for General Contractor in Rancho Cucamonga, CA
Here are the figures we quote most often in Rancho Cucamonga, calibrated to the actual market across the 91701, 91729, 91737, and 91739 ZIP codes.
| Project | Typical Range in Rancho Cucamonga |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Roof Replacement | $8,000 – $20,000 |
| Window Replacement | $4,500 – $15,000 |
| Driveway Replacement | $5,000 – $14,000 |
Your final price depends on square footage, material grades, and what we find in pre-inspection. A 1978 kitchen with aluminum wiring will cost more than a 2015 kitchen with copper, because the rewire is code-mandated once the wall is open. The quote we give after a site walk is the number we build to, with any surprises handled as signed change orders only. Call (877) 752-4194 to schedule a free estimate, and we’ll give you a written line-item quote before you make any decision.
We Also Serve Cities Near Rancho Cucamonga
Milpitas Construction serves Rancho Cucamonga plus San Antonio Heights, Upland, Ontario, and Fontana. Our crews cross the 210 corridor regularly, so scheduling a project near the city line doesn’t add a travel surcharge. Call (877) 752-4194 and mention your neighborhood when you schedule the estimate.
Serving Rancho Cucamonga, CA — Our Local Coverage Area
We’re based in the Rancho Cucamonga 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 Rancho Cucamonga
Most homes built before 1980 south of Foothill Blvd were wired with aluminum branch circuits, which oxidize at connections and create fire risk. Once a wall is open far enough for a kitchen or bath remodel, the city’s building code requires bringing the exposed circuit up to current standards, and that usually means rewiring. We include a pre-inspection in every older-home estimate so the rewire cost is in the quote before demolition, not after. Call (877) 752-4194 to book an inspection.
Rancho Cucamonga’s building department requires a soils report and slope-stability letter from a licensed geotechnical engineer for any addition or retaining wall over 4 feet on the hillside tracts. That report then drives the foundation design. We coordinate the geotech, the structural engineer, and the city plan check so the permit doesn’t stall. Call (877) 752-4194 and we’ll tell you exactly what your specific lot requires.
We inspect before we demolish, and we write discovery allowances into the contract for the specific conditions we know this city’s homes hide: aluminum wiring, rotted subflooring, failed window flashing. Anything we find during the job is priced as a written change order that you sign before we proceed. No work starts without your signature. That’s how Ken Stafford’s team has always run projects, and it’s how a $45,000 quote stays a $45,000 job.
Yes. We schedule pours for early morning, before the Inland Empire sun drives surface temperatures past 100°F, and we use retarders in the mix on hot days. Stucco gets similar treatment: we start at first light and keep the scratch coat damp through the day so it cures properly instead of flash-drying. Summer work doesn’t stop; it just gets scheduled with the heat as a known variable.
A kitchen remodel quote in Rancho Cucamonga should include demolition and disposal, rough-in plumbing and electrical, drywall and texture, flooring, cabinet installation, countertop fabrication and installation, backsplash, fixtures, paint, and a final inspection with the city. A bathroom quote covers the same categories plus waterproofing, tile, and the shower or tub installation. We line-item every one of these categories so you see exactly where the money goes. Call (877) 752-4194 for a written quote.
Contact Milpitas Construction in Rancho Cucamonga
If you’re planning a kitchen remodel, bath upgrade, addition, ADU, or full exterior project in Rancho Cucamonga, start with a site walk. We’ll inspect the property, explain what your specific home needs, and hand you a written estimate with real numbers. Call (877) 752-4194 to schedule your free estimate. We serve all of Rancho Cucamonga, including the mature tracts south of Foothill Blvd and the hillside builds in 91737 and 91739, plus San Antonio Heights, Upland, Ontario, and Fontana.
Written by Ken Stafford, Owner at Milpitas Construction, serving Rancho Cucamonga and the Inland Empire since 1997.