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
If you own a home in Rancho Cucamonga and you’re planning a kitchen remodel, a bathroom gut, an addition, or an ADU, the biggest decision isn’t which tile to pick. It’s who runs the job. A full-scope General Contractor in Rancho Cucamonga handles permits, HOA design review, structural work, finish carpentry, plumbing fixtures, and the hundred small decisions in between, under one contract and one accountable team. Square One Builders has been doing exactly that for homeowners across 91737, 91739, 91701, and 91729. Call us at (877) 688-9930 and we’ll walk your property with you, talk through the numbers, and give you a straight written estimate.
Why Square One Builders Is Rancho Cucamonga’s Preferred General Contractor Company
Rancho Cucamonga’s housing stock is a specific thing: master-planned tracts built from the 1980s through the 2000s, stucco exteriors, clay tile roofs, attached garages, and HOAs that enforce architectural consistency down to the color of the window trim. That’s not a problem. It’s the water we swim in. We know what the Terra Vista, Rancho Etiwanda, and Victoria Gardens area design review boards will push back on, and what sails through. We also know what falls apart first in these homes. We see the same builder-grade failures repeat across developments, and that pattern recognition means we scope the job correctly the first time instead of discovering surprises after demo.
Our reputation in Rancho Cucamonga is built on showing up, keeping a written schedule, and closing punch lists. When a homeowner in the foothill tracts off the 210 needs an addition that matches Spanish Revival detailing and passes the city’s stricter plan-check, they call someone who has done it before. That’s us.
Styles & brands we work with
Hire a General Contractor in Rancho Cucamonga
Hire a General Contractor in Rancho Cucamonga when the project touches more than one trade. If you’re adding a second story over a garage, that’s framing, roofing, electrical, stucco, windows, and interior finish work. If you’re opening a kitchen into a family room, that’s structural header work, flooring transitions, and cabinetry tied to drywall and paint. The moment a homeowner tries to rope these trades together themselves, the schedule slips and the finger-pointing starts. One contractor, every system. That’s the entire point of hiring a GC.
On a tract home in 91701 or 91729, a kitchen remodel typically runs $14,000 to $45,000. A bathroom remodel lands between $9,000 and $28,000. An addition starts around $45,000 and can reach $130,000 depending on the scope and the HOA constraints. Those are honest Rancho Cucamonga numbers, not national averages.
Full-Scope Remodel Management
We handle the whole sequence: demolition, rough framing, MEP rough-in, drywall, tile, cabinetry install, countertop templating, plumbing trim, paint, and final walk. You don’t chase electricians across the county. You deal with one schedule, one contract, one person who answers the phone.
Permits, HOA, and Plan-Check
We pull the permits. We compile the HOA design review submittal. We sit through the city plan-check comments and resolve them without you translating code language. For additions in the foothill ZIPs, we spec Chapter 7A ignition-resistant materials before plan-check asks. That saves weeks.
General Contractor Services in Rancho Cucamonga
General Contractor Services in Rancho Cucamonga cover more than interior remodels. The homes here age in predictable ways: clay tile roof underlayment dries out, stucco cracks along foundation lines, builder-grade cabinets delaminate at the sink base, and patio covers rot at the beam connections. We scope exterior work with the same accountability as interior work. Roofing material from CertainTeed or Owens Corning, James Hardie siding, Belgard pavers for a driveway or patio. Your remodel, fully managed, whether the work is inside the walls or outside them.
Room Additions and ADUs
A second-story addition over an attached garage is the classic Rancho Cucamonga move, especially in the foothill tracts where lots are tight. We engineer it, match the stucco and tile, and bring the existing footprint up to current code. ADU construction runs $90,000 to $220,000 here, and we coordinate prefab options through partners like Abodu and Dvele when the site suits it.
Kitchen and Bath Overhauls
These are the projects Rancho Cucamonga homeowners call us for most. We replace the builder-grade stuff first: laminate counters, hollow-core doors, chrome plumbing trim, and particleboard vanities. We spec Cambria or Silestone for counters, Kohler or Moen for fixtures, and KraftMaid or Wellborn for cabinets, depending on your budget tier. The range is $9,000 to $45,000 across kitchens and baths.
What happens when you call
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A real person answersNo phone trees — you reach a local pro.
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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.
Trusted Brands We Service in Rancho Cucamonga
We don’t install whatever the supply house has on sale. We spec the right material for your project, and that means working with manufacturers that hold up in the Inland Empire climate. Roofing from CertainTeed and Owens Corning handles triple-digit summers and Santa Ana winds better than no-name underlayment. Countertops from Cambria and Silestone resist the UV and heat that punish cheaper surfaces in a south-facing Rancho Cucamonga kitchen. Windows from PGT are built for high wind and flying debris conditions you get near the foothills. We know which of these brands needs a local distributor for a fast replacement part and which ones can drop-ship from out of state. That local knowledge keeps your schedule from stalling over a missing trim piece.
See the difference
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After
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After
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AfterCommon General Contractor Problems We See in Rancho Cucamonga Homes
- Builder warranty surprises. A homeowner pulls a permit for a kitchen remodel and discovers the builder’s limited warranty has language that voids coverage on adjacent systems if the alteration isn’t disclosed in writing. We review that language before we submit anything so the homeowner knows exactly what they’re trading away.
- Foothill fire zone plan check. Additions in 91737 and 91739 must meet Chapter 7A ignition-resistant construction rules. A valley-floor GC who quotes the job like it’s in Fontana misses the material costs and the longer review timeline, and the homeowner pays for the mistake in change orders.
- HOA heel-dragging. The design review board in some Rancho Cucamonga tracts meets once a month and will kick back a submittal for missing elevation drawings. We package the submittal with everything the board has asked for on previous jobs, so the review doesn’t stall for a missing detail.
- Undocumented allowances. A contractor quotes a kitchen at a price, then the homeowner picks a backsplash that’s $12 a square foot more and nobody wrote down what the allowance covered. We keep allowances in writing, and every change order is signed before the work happens. No arguing after drywall is up.
Pricing for General Contractor in Rancho Cucamonga, CA
Rancho Cucamonga pricing reflects the local permit cycle, the HOA submittal time, and the distance from major material suppliers. It’s not the same as Orange County, and it’s not the same as Ontario. Here are the ranges we quote most often for tract homes built between the 1980s and 2000s:
| Project | Typical Range in Rancho Cucamonga |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
What moves a project to the top or bottom of the range? Structural changes, plumbing relocations, the quality tier of the finishes, and whether the home is in a foothill fire zone. We quote it in writing, line by line, so you see exactly where the money goes. Call (877) 688-9930 to schedule a free estimate. No charge to walk the property and talk through the real numbers.
We Also Serve Cities Near Rancho Cucamonga
Our work in Rancho Cucamonga regularly takes us into the surrounding cities: San Antonio Heights, Upland, Ontario, and Fontana. The HOA and plan-check rules change at the city line, but the standard of work doesn’t. Read more about our Rancho Cucamonga coverage or call us to talk about a project in any of these nearby markets.
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
It can, if the warranty is still active and you alter a system the warranty covers without reviewing the language first. Most 1990s tract homes have limited warranties that have long since expired, but newer 2000s builds can still carry coverage on structural elements or major systems. We read the warranty document before we submit a permit, and we flag any clause that would void coverage on adjacent systems due to a permitted alteration. Call (877) 688-9930 and we’ll review it with you before anything gets filed.
Because those foothill ZIP codes sit in a high fire severity zone, and the California Building Code requires Chapter 7A ignition-resistant construction for new square footage there. That means the roof assembly, the exterior walls, the soffits, the vents, and sometimes the windows have to meet a material standard that Fontana or Ontario valley-floor homes don’t face. It adds material cost and inspectable steps to the job. We quote it that way up front, not as a surprise later.
Do the countertops and the sink base cabinet first. The laminate counters in these tract homes delaminate at the seams within a decade, and the sink base cabinet is almost always the first box to swell from a slow leak. Then swap the chrome plumbing trim for a better grade. Countertop installation in Rancho Cucamonga runs $2,000 to $6,500; cabinet installation runs $4,000 to $13,000. Those two moves change the feel of the whole kitchen without touching the layout.
They control the elevation, the roofline, the materials, and the color palette. In a Spanish Revival tract, the HOA will require a clay tile roof profile that matches the main house and stucco that blends into the existing elevation. We prepare the design review submittal with elevation drawings and material cut sheets that match what the board has approved before, so the review doesn’t stall for a missing detail. It’s a paperwork job as much as a construction job.
A permit gets you a city inspection record that confirms the work meets current code, which is exactly what the buyer’s home inspector will look for when you sell. It also protects you if a structural alteration was done wrong. The trade-off is the plan-check time and the inspection schedule, which is longer in Rancho Cucamonga than in unincorporated areas. We handle all of it: the plan submittal, the corrections, the inspection scheduling, and the final sign-off. Call (877) 688-9930 and we’ll walk you through the exact sequence for your street.
Written by Brent Calloway, Owner at Square One Builders, serving Rancho Cucamonga since 2008.