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 San Bernardino
If you’re searching for a General Contractor in San Bernardino who can actually manage a project from the first wall opened to the final inspection, Toolbox Contractors is built for exactly that. We work across the entire city, from the older Craftsman bungalows near downtown to the stucco subdivisions on the north side, and we know what these homes throw at you once work begins. The short version: we are one licensed contractor for kitchens, bathrooms, additions, roofs, windows, fences, and ADUs, and we quote work with written allowances instead of hoping the walls are clean. Call (855) 382-3257 for a free estimate in San Bernardino.
Why Toolbox Contractors Is San Bernardino’s Preferred General Contractor Company
San Bernardino homeowners have a specific problem: most contractors either specialize in one trade or pretend they can do everything while subbing the work out to whoever answers the phone. We operate differently. Norm Castellano built Toolbox Contractors as a single point of accountability, which means the same team that remodels your kitchen can also replace your roof, install new windows, and pour a paver patio. One contract. One crew that answers to one person.
We work regularly in San Bernardino proper and the surrounding foothill communities, so we understand the local building stock. Our crews have opened walls in 1920s Spanish Colonial bungalows off Waterman Avenue and framed additions on 1990s stucco homes near the 92407 zip code. That experience matters when a remodel triggers code upgrades a contractor from Orange County would never see coming. Homeowners in San Bernardino call us because we quote honestly, show up when we say we will, and write the surprises into a priced change order before touching anything.
Styles & brands we work with
Remodeling Contractor in San Bernardino
A Remodeling Contractor in San Bernardino handles the work that changes how you live in your house: kitchen guts, bathroom overhauls, room additions, and whole-home renovations. In this city, the job often starts with an older home that has been through decades of heat, wind, and questionable previous work. A typical kitchen remodel in San Bernardino runs $14,000 – $45,000, while a bathroom remodel lands at $9,000 – $28,000. Those ranges assume a contractor who plans for what is behind the drywall rather than hoping for the best.
Older-home remodels with allowances built in
We write allowances and contingencies into every San Bernardino remodel because the housing stock demands it. A downtown Craftsman built in 1923 will not behave like a 1998 tract house when we open the wall. We plan for the known unknowns and price them in writing before we start.
Kitchen and bath work that holds up to the basin heat
San Bernardino summers push past 100°F regularly. That affects paint curing, cabinet expansion, and the way caulk and sealants perform. We schedule material-sensitive work for early morning and use products rated for extreme inland heat, not coastal humidity.
Licensed General Contractor in San Bernardino
A Licensed General Contractor in San Bernardino is the person responsible for permits, inspections, and the structural decisions that keep your house standing. When we take on a home addition or ADU conversion, we pull the permits, schedule the inspections, and make sure the work in the walls gets signed off before they close. San Bernardino home additions run $45,000 – $130,000, and ADU construction ranges $90,000 – $220,000, with garage conversions landing at $30,000 – $80,000. These are not coastal prices; they are inland-basin numbers that account for local code requirements and the age of the housing stock.
Permit work done the right way
On the north and foothill side of San Bernardino, a remodel can trigger Chapter 7A requirements for ember-resistant vents, fire-rated decking, and Class A roofing. Skipping the permit means those code upgrades surface at resale or after a fire. We pull permits so the inspector confirms the work, not just our opinion of it.
Structural and seismic retrofits
Older wood-frame homes on the Westside and downtown often need seismic upgrades when walls are open. Shear walls, hold-downs, and foundation anchors are not optional extras; they are what a San Bernardino inspector will ask for. We plan them into the quote so they are not a surprise.
Trusted Brands We Service in San Bernardino
We install materials from a curated list of over 50 manufacturers, which means you are not stuck choosing from whatever the supply house has in stock. For San Bernardino projects, we regularly spec PGT impact windows for foothill homes facing wind-driven debris, CGI windows for properties where solar heat gain is a daily issue, and Boral roofing for fire-resistant profiles. Because we work with these brands directly, we can order what the job actually needs instead of what a generic catalog offers. Our San Bernardino customers get faster turnaround on materials because we know which suppliers stock locally and which need lead time.
See the difference
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After
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After
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AfterCommon General Contractor Problems We See in San Bernardino Homes
- Knob-and-tube wiring inside downtown bungalows. Older Craftsman and Spanish Colonial homes near the Westside still carry early wiring. Opening a wall for a kitchen remodel often means a rewiring scope that coastal contractors never budget for.
- Wildland-urban interface code triggers on foothill homes. Properties backing the mountains along the 92407 and 92404 corridors face Chapter 7A requirements for vents, decking, and roofing. A contractor from the LA basin will miss these because their local codes do not include them.
- Heat-damaged stucco and sealants. Inland basin summers bake exterior finishes. Sun-baked stucco cracks differently here than it does in Riverside or Pomona, and sealants fail faster in 105°F heat.
- Santa Ana wind damage on fascia and roofing. When the Cajon Pass funnels wind through the city, loose fascia, older roof tiles, and patio covers become flying debris. We pre-tie and inspect before fire weather arrives, not after.
Pricing for General Contractor in San Bernardino, CA
Here is what actual San Bernardino projects cost with a licensed contractor who writes allowances into the contract. These are 2026 market numbers for this city, not national averages:
| Project | San Bernardino 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 |
| Roof Replacement | $8,000 – $20,000 |
What moves a San Bernardino quote is mostly the age of the house and its location relative to the foothill WUI zone. An older-core remodel off Highland Avenue will carry different allowances than a newer stucco home on the east side, because the wiring and framing assumptions differ. Call (855) 382-3257 for a line-item written estimate. Free, no obligation, and it will not change once work starts unless you approve a written change order.
We Also Serve Cities Near San Bernardino
Toolbox Contractors works throughout the Inland Empire. Beyond San Bernardino, we regularly take on projects in Muscoy, Highland, Loma Linda, and Rialto, which means our material lead times and inspection schedules already account for the surrounding jurisdictions. If your remodel is in a neighboring city, the same full-scope approach applies.
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 General Contractor in San Bernardino
Most San Bernardino remodels can begin within two to four weeks once the estimate is approved and permits are pulled, assuming the scope does not require a WUI review that adds time on the foothill side. Call (855) 382-3257 to get a real start date for your specific project instead of a vague window.
Yes, we work across the entire city, including the north-side foothill neighborhoods where Chapter 7A requirements apply, the older Westside blocks, and the east-side subdivisions. The code requirements differ by zone, but our crews know which rules apply before we write the quote.
Ask what happens when the wall opens and there is knob-and-tube wiring or failed waterproofing behind the plaster. If the answer is not a written allowance in the contract, the surprise will be an unpriced change order. We price the unknowns up front so the quote you approve is the quote you plan around.
San Bernardino pricing runs close to the Inland Empire average, but the spread is wider because the housing stock ranges from 1920s bungalows to 2005 stucco builds. Rialto and Highland have more uniform tract housing, so San Bernardino quotes carry more allowance variance for wiring, framing, and waterproofing.
Yes, every scope we approve in writing gets the same workmanship warranty, whether it was in the original quote or priced into a change order. If Norm Castellano signs off on it, the crew stands behind it. Call (855) 382-3257 to talk through your specific project.
Written by Norm Castellano, Owner at Toolbox Contractors. We are a full-scope general contractor serving San Bernardino, CA and the surrounding Inland Empire.