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 San Bernardino, CA
Home renovation in San Bernardino is a different animal than it is in coastal Southern California. The sun hits harder, the Santa Anas blow stronger, and depending on your ZIP code, the building code may demand fire-resistant materials most contractors never think about. Square One Builders has served San Bernardino since 2014, and we manage full-scope remodels from the ground up, one contractor accountable for every system. Call (877) 688-9930 to talk through your project.
Why San Bernardino Homes Are Different
San Bernardino’s housing stock splits sharply by era. The flatlands, built largely in the 1950s through the 1970s, hold mid-century tract homes with original galvanized plumbing, aging electrical panels, and foundations set into expansive clay that shifts with every wet winter. A remodel there rarely stops at the kitchen. Once we open a wall, we commonly find corroded supply lines and subpanels that were maxed out decades ago. Foothill neighborhoods in 92404 and 92407 are a different story: newer stucco-and-tile construction, but subject to Cal Fire Chapter 7A ignition-resistant standards that govern everything from eave design to vent screening. A room addition in the foothills can trigger fire-hardening requirements on the existing structure, not just the new square footage. And crews digging in 92410 regularly hit buried debris and abandoned footings from pre-war structures. Hot, dry summers push past 100°F for weeks, which means exterior materials must tolerate extreme thermal expansion and UV degradation. We spec accordingly.
Styles & brands we work with







Our Main San Bernardino Services
Most San Bernardino homeowners call us about two things: they want one accountable general contractor to run the entire project, or they are ready to remodel a kitchen, bathroom, or whole home and do not want to coordinate five separate trades.
General Contractor in San Bernardino
As a General Contractor in San Bernardino, Square One Builders manages every trade under one contract. In a city where the housing stock ranges from 1950s flatland ranches to foothill stucco homes with WUI code obligations, that matters. We sequence the work, handle the permits, and make sure the roofer, the plumber, and the cabinet installer are not working against each other. One contractor, every system.

Home Remodeling in San Bernardino
Home Remodeling in San Bernardino starts with an honest assessment of what your house actually needs, not just what you want. A 1960s home in 92410 with original plumbing and a failing foundation on expansive clay has different priorities than a 2000s foothill home where fire-resistant cladding and defensible space drive the design. We plan around the real conditions. Your remodel, fully managed.

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 San Bernardino

Home renovation in San Bernardino means working with the house you have, not the house a catalog assumes you have. A 1960s flatland ranch in 92404 with original cast-iron drains and a foundation shifting on expansive clay needs a different sequence of work than a foothill home where a 400-square-foot addition triggers Cal Fire Chapter 7A requirements for fire-resistant eaves and ember-rated vents. Square One Builders has served San Bernardino since 2014, and our Home Renovation work always starts with the same question: what does this specific house, on this specific lot, actually need? From the ground up, we spec the right material for your project and coordinate every trade so nothing falls through the cracks.
Home Renovation Contractors
Signs you need it
Multiple systems in your home are failing at once, or you are planning a remodel that will expose structural, plumbing, or electrical issues you already suspect are there.
What it costs in San Bernardino
Full home renovation projects in San Bernardino typically run $14,000 to $45,000 for a kitchen remodel, $9,000 to $28,000 for a bathroom, and up to $130,000 for a home addition.
How we do it
We open the walls first, document what we find, adjust the scope with you in writing, then sequence the trades so structural work, rough-in, and finish work each happen once, in order.
Home Renovators
Signs you need it
You want to renovate multiple rooms or systems, and you want one contractor accountable for the whole scope rather than three separate crews pointing fingers.
What it costs in San Bernardino
A whole-home renovation in San Bernardino generally falls between $45,000 and $130,000 depending on square footage, fixture selections, and whether the structure needs foundation or fire-hardening upgrades.
How we do it
We scope the entire project from demo to final paint, source materials from a curated brand portfolio so you are not stuck with one price tier, and run the job on one schedule.
Home Improvement Contractors
Signs you need it
Your home has deferred maintenance that has crossed into structural territory: a roof near the end of its life, failing stucco, or windows that leak heat in August.
What it costs in San Bernardino
Roof replacement in San Bernardino runs $8,000 to $20,000, window replacement $4,500 to $15,000, and driveway replacement $5,000 to $14,000 based on the authoritative ranges for this market.
How we do it
We inspect the envelope first, correct any structural issues we find, then install the finished materials so the new work does not sit on a failing substrate.
What Home Renovation Costs in San Bernardino
| Item | Typical range in San Bernardino |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
How long does a full home renovation take in San Bernardino?
A whole-home renovation runs 12 to 20 weeks depending on scope, permit timing, and whether foothill fire-hardening requirements add engineering review. We give you a written schedule before demo starts. Call (877) 688-9930 for a timeline on your specific project.
Do I need a permit for home renovation in San Bernardino?
Yes, structural, electrical, plumbing, and mechanical work all require permits in San Bernardino, and foothill additions may trigger Chapter 7A fire-resistant construction review. We pull all permits and manage inspections for you. Call (877) 688-9930 with questions.
Brands We Service in San Bernardino
Square One Builders sources and installs materials from a portfolio of 50+ nationally recognized brands, including American Standard for plumbing fixtures, Schluter for tile waterproofing systems, and Toto for bath and toilet hardware. We order parts and finishes specific to your job so nothing sits on a warehouse shelf. See our brands for the full range.
See the difference
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AfterPricing for Remodeling Company in San Bernardino, CA
| Service | Typical range in San Bernardino |
|---|---|
| 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 |
| Garage Conversion | $30,000 – $80,000 |
Prices in San Bernardino climb when a project sits in the foothill WUI zones, where Chapter 7A materials like ember-rated vents and fire-resistant eave enclosures add cost. Flatland homes built before 1990 often need foundation or panel upgrades that surface during remodel planning. Square One Builders provides written, line-item quotes with fixed pricing and no change orders.
Neighborhoods We Serve in San Bernardino
Square One Builders works across San Bernardino, from the 1950s tract homes in the flatlands to the stucco-and-tile subdivisions climbing the foothills. Most areas in the city can be reached within a single business day for a site visit, and our crews are staged out of Corona so we are not far when a foundation question needs eyes on it.
- Verdemont (92407)
- North Park (92404)
- Del Rosa (92410)
- Arrowhead (92401)
- Downtown San Bernardino (92411)
Service Area – Cities Near San Bernardino
Square One Builders serves San Bernardino and the surrounding Inland Empire communities. If your project is in Muscoy, CA, Highland, CA, Loma Linda, CA, or Rialto, CA, the same full-scope contracting model applies. We pull the permits, manage the trades, and hold one contract for the entire job.
Serving San Bernardino, CA — Our Local Coverage Area
We’re based in the San Bernardino 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 San Bernardino
We typically schedule an on-site assessment within a few business days of your call, and a full scope and written estimate follows within two weeks. Permit times in San Bernardino vary by project type and whether the property sits in a wildfire hazard zone. Call (877) 688-9930 to get on the schedule.
Yes. Several foothill communities in 92404 and 92407 have HOA design review on top of city permitting, and exterior changes often require both approvals before work starts. We coordinate the submittals so the HOA package and the city permit package do not conflict.
Yes. We are experienced with Cal Fire Chapter 7A ignition-resistant construction standards and plan remodels and additions in the foothill ZIP codes with those requirements built into the scope from day one, not bolted on after plan check rejects the drawings.
Call Square One Builders at (877) 688-9930 to schedule a free estimate for your home renovation in San Bernardino. We walk the property, scope the work, and give you a written line-item quote. One contractor, every system, from the ground up.
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 San Bernardino Customers Say
"Quality construction and a professional operation. Communication was strongest at the site meetings, and slower by email in between."
— Leela Singh"Framing crew was meticulous and the walls are straight everywhere. Drywall goes on a lot better when the framing is right."
— Renee Novak"He was upfront about a soil issue that added cost early rather than absorbing it and surprising us at the end."
— Sanjay Patel