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 Colton
Home remodeling in Colton means working with a contractor who understands what this city throws at a house. We’re talking triple-digit summer heat, relentless Santa Ana wind events ripping down from the Cajon Pass, and a housing stock that swings from 1950s ranch homes near the historic downtown to acreage parcels off Reche Canyon Road that fall under county jurisdiction, not city. At Square One Builders, we’ve built our entire approach around this reality. One contractor, every system, from the roofline down to the slab. If you’re planning a kitchen remodel, a whole-house renovation, or an ADU on acreage, call (877) 688-9930 to schedule a free estimate with Brent Calloway and our team.

Why Square One Builders Is Colton’s Preferred Home Remodeling Company
Colton homeowners keep calling us back because we scope projects the way this city actually demands. Brent Calloway built Square One Builders to handle full-scope residential work without bouncing homeowners between specialty trades. That matters in Colton, where a remodel on a county parcel can mean coordinating a structural engineer, a septic contractor, and a roofing crew under one accountable contract. Our experience on acreage properties around Reche Canyon and the neighborhoods near Grand Terrace means we know what plan check will flag before we ever open a wall. Colton customers appreciate that we show up with written line-item quotes, not vague allowances, and that we pull permits the right way the first time.
We also know the local permitting split cold. City of Colton permits apply to most residential work inside city limits. But unincorporated acreage parcels often fall under San Bernardino County, which triggers a different review process, especially for ADUs, shops, and any structure that touches septic or well setbacks. That’s the kind of local knowledge you don’t get from an out-of-town remodeler. It’s why our punch lists close clean in Colton while other contractors are still fighting plan check.
Styles & brands we work with







Home Remodeling Companies in Colton
Home Remodeling Companies in Colton fall into two camps: specialty trade shops that do one thing, and general contractors like Square One Builders who manage the entire scope. The difference shows up fast on a Colton remodel. When a kitchen renovation requires moving a load-bearing wall, re-running plumbing, and upgrading electrical service, a specialty shop will hand you a list of subcontractors to call. We won’t. We handle it from the ground up under one contract, which is why homeowners who have been through a multi-contractor project once usually don’t do it twice.
Full-Scope General Contracting
We spec the right material for your project, whether that’s CertainTeed shingles rated for high-wind exposure on a west-facing slope or a KraftMaid cabinet line that fits a Colton kitchen without blowing the budget. Our team manages demolition, structural work, rough-in, finish carpentry, counters, and site cleanup. No finger-pointing between trades.
Kitchen and Bath Remodels
A typical kitchen remodel in Colton runs $14,000 to $45,000 depending on cabinet grade, countertop material, and whether walls move. Bathrooms run $9,000 to $28,000. We bring samples to you, not the other way around, and we quote line items so you know what you’re paying for before we start.
Whole House Remodel in Colton
A Whole House Remodel in Colton often means taking a 1950s or 1960s ranch near the downtown core or a mid-century acreage home off Reche Canyon and rebuilding its systems while preserving what still works. These projects are not cosmetic. We’re typically replacing wiring that predates modern code, addressing foundation settlement from decades of Inland Empire drought cycles, and reconfiguring layouts that don’t match how families live now. The price for this scope in Colton usually starts around $45,000 for an addition and can reach $130,000 if we’re adding square footage alongside the remodel.
Acreage and County-Scoped Remodels
On unincorporated parcels, the remodel scope expands before we ever order materials. Septic tank locations, well setbacks, and county grading requirements all influence where an addition or detached ADU can sit. We survey and verify these constraints during estimating, not after demo starts. Because Colton’s acreage parcels often fall under San Bernardino County rather than city permitting, a home remodel that adds a detached ADU or shop on the same lot can trigger county septic and well setback reviews that a city-only project would never see. That changes the draw schedule and the allowance we set for site work.
Wind and Weather Hardening
Colton sits at the foot of the Cajon Pass and Reche Canyon where the Santa Ana winds pour downslope. Construction here is as much about wind and dust defense as it is about heat. Roofs, fencing, and site stabilization get designed for gusts that would be unremarkable a few miles west in Fontana or Rialto. Every whole-house remodel we scope in Colton includes a wind exposure assessment on exposed slopes, because the difference between a standard spec and a wind-rated spec can be thousands of dollars, and you want that in the quote, not a change order.
Trusted Brands We Service in Colton
Square One Builders sources and installs materials from 50+ vetted brands, and Colton customers regularly see CertainTeed and Owens Corning roofing products on our quotes, along with IKO and Atlas options at different price points. For a wind-prone city like Colton, we lean on manufacturers with proven high-wind installation standards. We also stock common repair parts locally for Colton jobs, which shortens lead times when a remodel hits an unexpected condition mid-project. Your remodel, fully managed, with materials we can stand behind.

See the difference
Before
After
Before
After
Before
AfterCommon Home Remodeling Problems We See in Colton Homes
- Post-tension slab surprises during wall removal: Opening up a wall for an open-concept kitchen on a Colton slab home sometimes reveals a post-tension foundation. Cutting into one without an engineer’s review is a structural risk, so we verify before we cut.
- Santa Ana wind damage hiding behind old work: Exposed west- and north-facing slopes above the valley floor consistently lose shingles, patio covers, and fence sections during wind events. We routinely find failed flashing and sheathing rot behind siding on these exposures.
- Septic and well setbacks blocking ADU placement: On county parcels off Reche Canyon Road and the surrounding unincorporated strips, a perfectly good ADU site can be rejected because the septic leach field or well head sits too close. We check county setback records during estimating.
- Undersized electrical and plumbing rough-in: Many Colton homes built before the 1970s were never designed for modern kitchens and baths. Remodeling usually means upgrading the panel and re-piping supply lines before finish work can start.
Pricing for Home Remodeling in Colton, CA
Home remodeling prices in Colton are shaped by three things: scope, site conditions, and material grade. The table below shows the ranges we quote most often for Colton projects.
| Project | Colton Price Range |
|---|---|
| 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 |
On acreage parcels, expect site work and permitting to add to the base scope. A detached ADU on a county lot with septic and well setbacks to verify will land higher in its range than an attached remodel inside city limits. We provide written line-item quotes so you see exactly where the money goes. Call (877) 688-9930 for a free estimate on your Colton remodel.
We recently finished a whole-house remodel on an acreage property off Reche Canyon Road where the original 1950s ranch needed a full rough-in for a relocated kitchen and two baths. Our tech discovered the existing septic line ran directly beneath the proposed slab for the new master suite, forcing a county-reviewed reroute before we could pour. We also had to redesign the roof sheathing and patio cover tie-downs for Santa Ana wind exposure on the west-facing slope after shingles from the previous roof ended up in the neighbor’s corral. That’s Colton. We plan for it now.
We Also Serve Cities Near Colton
Beyond Colton, our crews regularly work in Grand Terrace, Highgrove, Loma Linda, and Rubidoux. Whether you’re inside Colton city limits or on county acreage near the Reche Canyon edge, the same full-scope Home Remodeling team handles your project from first walkthrough to final walkthrough. Find more about our work across the area on our Colton page.
Serving Colton, CA — Our Local Coverage Area
We’re based in the Colton 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 Colton
Yes. Unincorporated parcels near Reche Canyon generally fall under San Bernardino County jurisdiction, not the City of Colton. A detached ADU or shop triggers county plan check, which includes septic and well setback verification. We pull county records during the estimating phase so you’re not surprised at plan check. Call (877) 688-9930 to have us scope your parcel.
Santa Ana wind events off the Cajon Pass stress more than shingles. Fencing, patio covers, window flashing, and even exterior door seals get hit on exposed west- and north-facing slopes. We specify wind-rated tie-downs, reinforced posts, and impact-rated materials where the exposure calls for it, and we include those allowances in the quote up front.
The most common change-order trigger on a Colton remodel is discovering structural or site conditions that plan check didn’t know about: a post-tension slab where you wanted a wall opened, an undersized header, or a county setback issue on an ADU placement. We reduce these by doing verified field checks before we quote. When a change order is unavoidable, we give you a written line item before any added work starts.
No. Even under county jurisdiction, a kitchen remodel involving plumbing, electrical, or structural changes requires a permit from San Bernardino County. Cosmetic work like painting or cabinet refacing typically does not. We’ll tell you which category your project falls into during the estimate, and we handle the permit package either way. Call (877) 688-9930 for a free walkthrough.
Long hauls and difficult equipment access add to delivery fees and site logistics on acreage parcels, especially along Reche Canyon Road and the unincorporated strips east of I-215. A standard delivery charge doesn’t cover a crane or a long boom truck on a slope with no turnaround. We itemize site access costs separately in our quotes so you see the real number before signing.
Written by Brent Calloway, Owner at Square One Builders, serving Colton and the surrounding Inland Empire communities.