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
Remodeling Company in Fontana, CA
Home renovation in Fontana means working with a housing stock that splits almost block by block: 1950s tract homes near downtown, 1990s subdivisions in the middle, and brand-new master-planned communities pushing north toward the foothills. That mix changes how we approach every job, from foundation work on older slabs to finishes on freshly framed drywall. Square One Builders has served Fontana since 2014 as a full-scope general contractor, which means one team handles your renovation from structural work through cabinetry, countertops, windows, and exterior systems. Call (877) 688-9930 to talk through your project and get a free estimate.
Why Fontana Homes Are Different
Fontana’s housing tells the story of its growth. South of the I-10, in ZIP codes 92335 and 92337, you’ll find post-war and mid-century tract homes with smaller footprints, pier-and-beam or thin slab foundations, and decades of heat-related wear. North of the 210, the 92336 ZIP code is dominated by 1990s and 2000s subdivisions and new master-planned communities built on former agricultural and dairy land. The soil transitions from older, settled ground in the south to newer, sometimes less compacted fill in the north, which affects foundation and concrete work.
The climate pushes every material harder than coastal Los Angeles. Summer temperatures routinely pass 100 degrees, which means concrete pours need early-morning scheduling and careful curing to avoid surface cracking. Santa Ana winds funnel through the Cajon Pass and hit Fontana with gusts that test roofing, stucco, and any exterior cladding that wasn’t fastened properly. UV exposure ages paint, siding, and roofing faster than homeowners expect. When we plan a renovation here, we spec materials with those conditions in mind, not just what looks good in a showroom.
Fontana sits in the heart of Inland Empire logistics country, near the Auto Club Speedway site and the massive warehouse clusters along the I-10 and I-15 corridors. That industrial growth pulls trade labor toward commercial and tenant-improvement work, which makes a residential contractor with deep local experience harder to find. We’ve kept our focus on homes, and we know which inspectors work which neighborhoods, what the city requires for ADU setbacks, and which HOAs north of Summit Avenue have strict exterior modification rules.
Styles & brands we work with
Our Main Fontana Services
Most Fontana homeowners reach out to us for one of two reasons: they need a general contractor to run a whole-home project without the finger-pointing that comes from coordinating separate trades, or they’re planning a specific remodel and want one accountable team from demolition through finish work.
General Contractor in Fontana
When a Fontana project spans multiple systems – roof, windows, structural, plumbing fixtures, flooring – the value of a true general contractor becomes obvious fast. We scope the entire job, sequence the trades, pull permits, and stay accountable for every phase. In Fontana’s older southern neighborhoods, that often means coordinating with the city on older homes that have undocumented past work or outdated electrical panels. In newer northside subdivisions, it means navigating HOA approval processes and working around neighborhood construction traffic. We carry the full scope under one contract so you’re not chasing a roofer, a cabinet installer, and a concrete crew separately. Read more about how we run projects as a General Contractor in Fontana.
Home Remodeling in Fontana
Remodeling a Fontana home in 2025 means making decisions that hold up to real heat and wind, not just design trends. We’ve done full kitchen and bath remodels in 92335-era ranch homes and complete interior updates in 92336 two-story builds. Each starts with a walkthrough and a straight conversation about what the house needs before we pick finishes. Because we source from 50+ material brands across every system, we can spec a Kohler or Toto bathroom fixture, a Cambria countertop, and James Hardie siding without you having to visit five different showrooms. Get the full picture on our Home Remodeling in Fontana page.
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.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Home Renovation in Fontana
Home renovation in Fontana usually starts with a question about what the house can actually support. Older homes in the 92335 and 92337 ZIPs sit on slabs or foundations that have settled through decades of hot, dry summers and occasional heavy rain. Newer homes in 92336 might be structurally sound but need layout changes, better insulation, or upgrades that match how families actually live now. Renovation here is not just cosmetic – it’s about correcting what heat, wind, and time have done, then building forward with materials that won’t fail the same way. As a full-scope Home Renovation contractor, we handle the structural evaluation, the permits, the trades, and the finish work under one roof. Call (877) 688-9930 and we’ll walk your property first. The estimate is free.
Home Renovation Contractors
Signs you need it
You’re juggling calls to three different trades, the project keeps stalling, and nobody can tell you a straight answer about when it’s actually done.
What it costs in Fontana
A full home renovation in Fontana typically runs $45,000 to $130,000 depending on square footage, age of the home, and how many systems you’re replacing.
How we do it
We start with a structural and systems walkthrough, produce a written scope and line-item estimate, then manage permits, demolition, rough-in, and finishes with our own coordinated crew schedule.
Home Renovators
Signs you need it
The house has good bones but the layout fights you every day – a kitchen that’s closed off, a bathroom that can’t fit a real vanity, or a back room that bakes every summer.
What it costs in Fontana
Targeted renovation work on an existing Fontana home can start around $14,000 for a focused kitchen update and scale to $130,000 for whole-home reconfiguration.
How we do it
We map the existing floor plan, propose layout changes that respect load-bearing walls and current code, then execute the remodel with one accountable team from demo to final paint.
Home Improvement Contractors
Signs you need it
You’ve got a list of upgrades – windows, siding, countertops, a vanity, a patio – and every item means a different specialist, a different quote, and a different schedule.
What it costs in Fontana
Home improvement packages in Fontana vary widely by scope; a window replacement runs $4,500 to $15,000, while a full kitchen remodel lands between $14,000 and $45,000.
How we do it
We bundle the improvements into one contract, order materials from our brand network, and schedule the work so it moves in a logical sequence instead of five disconnected visits.
What Home Renovation Costs in Fontana
| Item | Typical range in Fontana |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
How long does a home renovation take in Fontana?
A kitchen or bathroom renovation typically runs 6 to 12 weeks depending on scope. Whole-home renovations in Fontana can take 4 to 9 months. Permitting timelines vary by project type, and we sequence the work to keep the job moving.
Do I need permits for a home renovation in Fontana?
Most structural, electrical, plumbing, and addition work requires a city permit in Fontana. We pull all required permits and schedule inspections. Working without permits on a renovation can create problems when you sell. Call (877) 688-9930 and we’ll tell you exactly what your project needs.
Brands We Service in Fontana
We source from 50+ nationally recognized brands, including Toto and American Standard for plumbing fixtures and Schluter for waterproofing and tile systems. Materials are ordered to spec for each Fontana job, and we coordinate delivery so nothing sits in your driveway longer than it has to. See the full our brands list for what we can source and install.
See the difference
Before
After
Before
After
Before
AfterPricing for Remodeling Company in Fontana, CA
| Service | Typical range in Fontana |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
| Bathroom Remodel | $9,000 – $28,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Roof Replacement | $8,000 – $20,000 |
| Window Replacement | $4,500 – $15,000 |
| Vinyl Fence Installation | $3,500 – $9,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
Two things push price up in Fontana more than anything else: the age of the home and what’s hiding behind the walls. Older southside homes frequently have outdated wiring, settling slabs, or previous work that wasn’t permitted, and correcting those adds scope. Santa Ana wind exposure also affects exterior material choices – we often spec heavier-gauge roofing and better fastening systems here than we would in a coastal city. Every estimate we write is a firm line-item quote, so you’ll know the number before work starts and we won’t come back with a change order unless you change the scope.
Neighborhoods We Serve in Fontana
We work across all four Fontana ZIP codes, from the older tracts near downtown to the newest northside developments. Each area brings different renovation priorities and permitting realities, and we’ve built experience in all of them.
- Downtown Fontana – 1950s and 1960s tract homes, older electrical and plumbing common
- Southridge – 1990s and 2000s subdivisions with HOA exterior rules
- Sierra Lakes – newer master-planned homes, golf course adjacent, strict architectural guidelines
- Northgate – 1980s and 1990s builds transitioning to second-owner remodels
- Citrus Heights area – 1920s through 1950s homes near the historic core, more foundation variability
We typically schedule estimates within 3 to 5 business days across Fontana, and we’re already working in the area most weeks, so inspections and site visits don’t require a long lead time.
Service Area – Cities Near Fontana
Square One Builders serves Fontana and the surrounding Inland Empire communities. If you live just outside the city line, we likely work in your neighborhood too. We regularly run renovation projects in Bloomington, CA, Rialto, CA, Glen Avon, CA, and Pedley, CA. Call (877) 688-9930 to confirm we cover your street and schedule a walkthrough.
Serving Fontana, CA — Our Local Coverage Area
We’re based in the Fontana 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 Remodeling Company in Fontana
For most Fontana projects, we can complete the estimate, finalize the scope, and pull permits within 3 to 6 weeks. Larger additions and ADU projects take longer in the planning phase. We’ll give you a realistic start date at the first walkthrough, not a vague promise.
Yes. Many northside Fontana subdivisions have HOAs that require architectural review before exterior work begins. We prepare the submittal package, attend the review if needed, and build the approval timeline into your project schedule so construction doesn’t stall halfway through.
We serve all of Fontana including ZIP codes 92335, 92336, 92337, and 92331, plus the adjacent communities of Bloomington, Rialto, Glen Avon, and Pedley. If you’re just outside those areas, call us anyway – we take on projects throughout the western Inland Empire.
What happens when you call
- 1A real person answersNo phone trees — talk to a local construction pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Fontana Customers Say
"Every inspection passed first time. The building department clearly knows him and that made the whole process easier."
— Christine Yang"He caught an error in the engineer's drawings before it got framed, which would have been an expensive thing to discover later."
— Lucia Martinez"Allowances in the contract were realistic rather than artificially low to make the bid look good."
— Colleen Bennett