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 Upland
When you’re planning a kitchen remodel, an ADU, or a whole-home renovation in Upland, you need one thing first: a straight answer on what it will cost and how the job will actually run on your lot. Most Upland remodels in the 91784, 91785, and 91786 ZIP codes land between $14,000 and $130,000 depending on scope, and the right General Contractor can keep that number predictable by planning for staging, drainage, and permit requirements before demo day. We’ve worked the narrow citrus-era parcels and mid-century tracts across Upland long enough to know what the city’s reviewers look for and what the lots throw at you. Call (877) 688-9930 and we’ll give you a free estimate with real numbers, not a vague brochure range.

Why Square One Builders Is Upland’s Preferred General Contractor Company
We’re not a specialty trade borrowing a general contractor title. Square One Builders runs full-scope residential remodels under one contract, which matters in Upland because the city’s housing stock rarely gives you a simple job. A 1940s bungalow off Euclid might need knob-and-tube rewired, cast-iron drains replaced, and an ADU slab poured where a ficus root system has been growing for sixty years. One contractor, every system means the electrician, the plumber, the roofer, and the finish carpenters all answer to the same schedule, the same plan, and the same person: Brent Calloway, who leads our Upland projects from first walkthrough to final inspection.
Upland homeowners regularly tell us the same thing: they tried coordinating three trades and watched the project stall for weeks. We spec the right material for your project from a portfolio of 50+ brands, including CertainTeed and Owens Corning for roofing, so you’re never stuck with whatever a single sub happens to stock. Your remodel, fully managed is how we keep punch lists short and inspections clean.
Styles & brands we work with







Residential General Contractor in Upland
Residential General Contractor work in Upland means full accountability for every trade on a home project, from the demo crew to the finish carpenter, and most jobs we run in the city fall between $14,000 for a kitchen remodel and $130,000 for a significant home addition. Upland’s housing stock makes this harder than it sounds: a 1920s bungalow near downtown has different framing, wiring, and foundation conditions than a 1980s ranch in the 91786 core, and the city’s permit reviewers know the difference. That’s why we pull every permit, schedule every inspection, and show up with a written line-item quote before we touch a single wall.
Full-Scope Remodel Planning
A Upland remodel that touches plumbing, electrical, and structural work needs a plan that accounts for the lot as much as the house. We walk the property, map access points, check for mature root systems, and confirm setback and overlay requirements before quoting. That’s the difference between a project that runs on schedule and one that stalls at the permit counter.
Renovation on Tight Lots
Narrow 25-to-40-foot parcels in Upland’s historic core leave no room for error on staging or material delivery. We’ve learned to run a plywood-protected side-yard tunnel for crews, stage materials in front driveways, and keep the street clear so code enforcement has nothing to flag. The site stays clean, the neighbors stay informed, and the work keeps moving.
Hire a General Contractor in Upland
Hire a General Contractor when the project crosses more than one trade, and you’ll avoid the finger-pointing that happens when a plumber, electrician, and tile setter each blame each other for a delay. In Upland, that decision usually starts with a phone call about cost: ADU construction here runs $90,000 to $220,000, a bathroom remodel lands between $9,000 and $28,000, and a home addition spans $45,000 to $130,000. We give you those numbers upfront, tied to your specific scope, not a “starting at” figure that doubles by change order three.
Permit and Overlay Navigation
Upland’s historic overlay district adds a review layer that surprises homeowners who’ve only done work in neighboring cities. We know which projects trigger design review, which need planning sign-off before building, and how to write the permit application so it doesn’t bounce back. That experience is built into our quotes, not billed as a surprise line item later.
Neighbor Notification and Party Walls
On zero-lot-line properties, a remodel is not a solo event. We notify adjacent owners before demo, document pre-construction conditions, and buffer shared walls so work doesn’t become a dispute. Upland’s small lots mean your neighbor is close enough to feel every hammer strike; we plan around that from day one.

Trusted Brands We Service in Upland
We stock and install materials from a nationwide portfolio so Upland homeowners get real choices without chasing supply houses themselves. For roofing, we work with CertainTeed and Owens Corning, two of the largest manufacturers in the country, which matters when Upland’s Santa Ana winds tear through and you need a roof that stays put. On the interior side, our plumbing and cabinetry lines span multiple price tiers within the same category, so we can match a Cambria countertop on one project and a value-priced alternative on the next without changing contractors. From the ground up, we source what your specific Upland home needs, not what’s easiest to order.
See the difference
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After
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After
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AfterCommon General Contractor Problems We See in Upland Homes
- Historic overlay surprises: Homeowners near the downtown core sometimes start a remodel only to learn their property triggers Upland’s design review, which adds weeks and sometimes mandates material changes. We check overlay status during the estimate, not after the dumpster arrives.
- Alluvial fan drainage failures: Upland sits at the foot of the San Gabriel Mountains, and winter storm runoff moves across the fan fast. Skipping a pre-construction drainage plan means water pools against new foundations, and inspectors notice. We grade and waterproof before we pour.
- Mature root conflicts: The original citrus-era lots planted ficus and palm trees that have spent decades pushing roots under driveways, slabs, and foundations. Digging blind risks a cracked slab later. We map roots with the soil plan and design around them.
- Side-yard staging mistakes: On a 30-foot-wide lot, materials left on the street bring code enforcement and parking complaints within days. We stage in driveways and backyards, run protected side-yard access, and keep the public right-of-way clear the whole job.
Pricing for General Contractor in Upland, CA
Upland’s market is not Los Angeles pricing, and it’s not Rancho Cucamonga’s either. Here’s what we see across the city for full-scope general contractor work:
| Project | Typical Upland Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| ADU Construction | $90,000 – $220,000 |
| Home Addition | $45,000 – $130,000 |
What moves the number: lot width and access, overlay review requirements, drainage scope, and whether we’re replacing knob-and-tube or cast-iron plumbing while we’re in the walls. Call (877) 688-9930 and we’ll walk the property, ask the right questions, and give you a written estimate you can actually plan around. Free, no obligation, and specific to your house.
We Also Serve Cities Near Upland
Our crews work throughout the eastern San Gabriel Valley, so if you’re in Upland or just across the city line, we’ve got you covered. We regularly run projects in San Antonio Heights to the north, Claremont to the west, Montclair to the south, and Rancho Cucamonga to the east. Same team, same full-scope accountability, same straight pricing.
Serving Upland, CA — Our Local Coverage Area
We’re based in the Upland 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 Upland
We stage materials in the front driveway and protected side yard, never on the street. For a 30-foot-wide lot near 2nd Avenue and Mountain Avenue, our crew built a 500 sq ft ADU with the only access being a 10-foot side yard shared with the neighbor, so we staged everything in front, used a compact excavator, and ran a plywood buffer along the shared wall the entire job. It kept the city off our back and the neighbor on our side. Call (877) 688-9930 if you’ve got a tight lot, and we’ll tell you exactly how we’d run the staging before you sign anything.
An ADU in Upland’s historic overlay district typically requires a planning review for design compatibility, a building permit for the structure, and often a drainage review because of the alluvial fan soils. We pulled the full permit set on that 2nd Avenue job, went through the historic overlay review before construction started, and the punch list cleared in one inspection sign-off. That sequence is not the same as building in Rancho Cucamonga or Claremont, which is why you want a contractor who’s done it here. Call (877) 688-9930 and we’ll check your parcel’s overlay status for free.
We document the wall’s pre-construction condition with photos, notify the adjacent owner in writing before demo, and install a plywood buffer on our side that stays up until finish work is done. On zero-lot-line Upland parcels, skipping this step is how you get stop-work orders and a neighbor who never speaks to you again. It’s cheap insurance, and we build it into the quote. Call (877) 688-9930 if you’re on a shared wall and want to see how we’d handle your specific property line.
Upland enforces daytime work-hour restrictions that generally align with a 7 a.m. to 6 p.m. window on weekdays, with more restrictive hours for weekends and holidays near residential zones, and the city will issue citations for early starts. We schedule loud demo and concrete work for weekday mid-morning and keep late-afternoon work to quiet trades so you don’t get a knock on the door from code enforcement. Call (877) 688-9930 and we’ll confirm the current rules for your specific street before we set the schedule.
Site access is one of the biggest cost drivers in Upland because a 25-foot-wide citrus-era lot forces us to use smaller equipment, move materials by hand through a narrow side yard, and sometimes stage entirely from a front driveway. Two identical projects a block apart can differ by thousands of dollars solely because one has a 10-foot alley access and the other has a 4-foot side gate. We show you that access cost as a line item, not buried in the total. Call (877) 688-9930 for an estimate that accounts for your lot’s actual access, not a generic Upland average.
Written by Brent Calloway, Owner at Square One Builders, serving Upland and the eastern San Gabriel Valley from our Westminster base.