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 Claremont
Hiring a general contractor in Claremont means more than finding someone who can swing a hammer. It means finding a builder who understands the city’s Design Review Board, its signature tree ordinance, and how a 1920s Craftsman near the Village works differently than a 1960s ranch north of Foothill. Our crews are in Claremont weekly for kitchen remodels, bathroom overhauls, home additions, and ADU projects. We know the permit desk, the work-hour rules, and the inspectors. Call (855) 473-5620 to talk through your project and get a free estimate.
Why San Bernardino Contractors Is Claremont’s Preferred General Contractor Company
Claremont homeowners tend to do their homework. They know GAF from Owens Corning, Cambria from Silestone, and they want a contractor who can speak that language without a sales pitch. That’s us. We’re a General Contractor team that handles the full scope of a home, from roofing and windows to kitchens, bathrooms, hardscaping, and ADUs. Ruben Castillo leads every project with a straight-talking, material-savvy approach. No subcontractor shuffle. No finger-pointing between a roofer and a cabinet shop. One contractor, every phase.
Our Claremont clients consistently tell us the same thing: they appreciate that we show up when we say we will, keep the site clean, and flag issues before they become change orders. On a recent 1920s Craftsman bungalow near the colleges, we had to protect a heritage oak’s root zone, which meant shifting the foundation for a rear addition and using hand-dug piers. We scheduled all noisy work within the city’s 8 a.m. to 5 p.m. window and gave party-wall notice to the adjacent rental, keeping the tight lot clean with daily debris removal. The result: a seamless addition that passed inspection sign-off without a single neighbor complaint.
Styles & brands we work with







Residential General Contractor in Claremont
Residential General Contractor work in Claremont covers a lot of ground. A typical kitchen remodel here runs $14,000 – $45,000. Bathrooms land between $9,000 and $28,000. Home additions start around $45,000 and can reach $130,000 depending on scope, foundation work, and whether you’re dealing with slope or protected trees. ADU construction in Claremont generally runs $90,000 – $220,000. Those numbers shift based on your lot, your finish level, and what the city asks for during plan review. We give you a written line-item quote so you know where every dollar goes before we start.
What actually drives cost in Claremont isn’t just square footage. It’s site access, tree-protection requirements, and the design-review process. A kitchen remodel on a wide mid-century lot north of Foothill is straightforward. The same remodel on a narrow Village-adjacent lot with limited staging space and a pepper tree in the side yard is a different job entirely. We price it honestly and explain why.
Whole-Home Scope, One Crew
We’re not a kitchen company that occasionally hangs drywall. We handle roofing systems from GAF and CertainTeed, impact windows from PGT, siding from James Hardie, and hardscaping from Belgard and Unilock. That means your Claremont project stays under one roof from demo to final paint. You pick the brand, we handle the build.
Kitchen and Bath Remodels in Claremont’s Older Homes
Claremont’s housing stock skews older. A 1930s bungalow in the Village often has knob-and-tube electrical, cast-iron plumbing, and floors that have settled over 90 years. We plan for that. When we open walls, we’re ready for what’s behind them, and we quote remodels with those contingencies built in, not as surprise add-ons. Grohe and Sterling plumbing fixtures are common choices among our Claremont clients who want reliability without paying Kohler prices.
Hire a General Contractor in Claremont
When you hire a General Contractor in Claremont, you’re hiring someone to manage permits, materials, subs, inspections, and the city’s specific review processes. That’s the job. We pull permits, schedule inspections, and sit in front of the Design Review Board when your project requires it. You shouldn’t have to learn Claremont’s municipal code to get a bathroom remodel done. Floor tile costs here reflect the same pricing you’d see across the Claremont area: a small bathroom remodel runs $5,000 – $12,000, while a walk-in shower installation typically lands between $4,500 and $12,000.
The real value of hiring one contractor for the whole project is accountability. If a roof leak follows a window replacement, there’s one phone number to call. If the cabinet install runs long and throws off the tile schedule, it’s our problem, not yours. That’s how we’ve built our reputation in Claremont’s neighborhoods, from the Village to the foothills north of Foothill Boulevard.
Additions and ADUs on Tight Claremont Lots
Claremont lots in the older core are often narrow, shallow, or dotted with protected oaks and sycamores. That shapes every addition and ADU we build here. We stage materials in phases, schedule deliveries around neighbor access, and plan foundations around root-zone restrictions before permits are even pulled. A garage conversion in Claremont typically runs $30,000 – $80,000, but that number moves if the city requires structural upgrades or tree-protection measures.
Exterior Work That Survives Claremont’s Climate
Claremont sits at the base of the San Gabriel Mountains. Summers hit 100°F. Santa Ana winds blow through in the fall. Homes north of Foothill Boulevard sit in wildfire-interface territory. That’s why we recommend Class A fire-resistant roofing from GAF and CertainTeed for Claremont roof replacements, which typically run $8,000 – $20,000. Ember-resistant venting and fire-rated underlayment aren’t upgrades here; they’re the standard for foothill properties.
Trusted Brands We Service in Claremont
We maintain active relationships with more than 50 product manufacturers across every trade category. For Claremont homes, that means fast turnaround on GAF and CertainTeed roofing materials, Grohe and Sterling plumbing fixtures, and the full range of countertop, cabinetry, and hardscaping brands our clients ask for. When you choose a GAF-certified roofing system or a Sterling shower system, we order directly and track delivery to your job site. No third-party markups, no supply-house delays. Our General Contractor team stocks common replacement parts and materials locally so punch-list items get handled in days, not weeks.
See the difference
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AfterCommon General Contractor Problems We See in Claremont Homes
- Protected tree root zones that force foundation redesigns. Claremont’s signature tree ordinance applies to heritage oaks, sycamores, and pepper trees. A rear addition or ADU that looks simple on paper can require hand-dug piers or a shifted foundation line once root-zone restrictions are mapped.
- Design Review Board scrutiny on exterior changes in the historic core. If your home sits within a historic district or overlay zone, even a window replacement can trigger design review. We’ve seen plan revisions add two to three months to a project when homeowners didn’t anticipate the level of detail the board expects.
- Knob-and-tube electrical and cast-iron plumbing in pre-1950 homes. Claremont’s craftsman bungalows and period-revival homes near the Village frequently have outdated systems hiding behind plaster walls. A kitchen remodel often includes rewiring and repiping, which changes the budget and the timeline.
- Narrow Village-area lots with no staging room. When your neighbor’s wall is six feet from your foundation, there’s nowhere to put a dumpster, a material delivery, or a crew truck. Poor staging causes neighbor disputes and blocked access, which can trigger stop-work orders. We plan deliveries and debris removal around the lot’s actual footprint.
Pricing for General Contractor in Claremont, CA
Claremont pricing reflects the city’s older housing stock and its review processes. Here’s what you can expect to budget for common projects:
| Project Type | Typical Claremont 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 |
What moves the number: your home’s age, whether you’re in a historic district, the presence of protected trees, and site access. A kitchen remodel in a 1950s ranch with a wide driveway costs less to execute than the same scope in a 1920s Craftsman with alley access and a signature tree in the side yard. We give free estimates with line-item pricing. Call (855) 473-5620 and we’ll walk your property, talk through what the city will require, and give you a written quote.
We Also Serve Cities Near Claremont
While we’re regularly in Claremont for remodels, additions, and ADU work, we also serve Montclair, La Verne, Upland, and San Antonio Heights. Our General Contractor in Claremont clients often refer neighbors in those cities, and we’re happy to cross the city line for the right project. If you’re weighing a remodel and wondering whether tree rules or design review apply in your city, call us. We’ll tell you straight.
Serving Claremont, CA — Our Local Coverage Area
We’re based in the Claremont area and know this community well. Use the map below to see our Claremont Abodu service coverage — if you’re nearby, we can almost certainly help.
FAQs About General Contractor in Claremont
Claremont’s signature tree ordinance requires that any construction within the protected root zone of a heritage oak, sycamore, or pepper tree be reviewed and often modified before permits are issued. This can mean shifting a foundation, using hand-dug piers instead of machine excavation, or adding root barriers. If your lot has a mature tree anywhere near the proposed addition or ADU footprint, plan for extra design time and possibly higher foundation costs. We map root zones early in the process so you don’t get surprised during plan review. Call (855) 473-5620 for an assessment.
Most interior kitchen remodels in Claremont do not require Design Review Board approval unless the home sits in a designated historic district and the work involves exterior changes like window replacement, door relocation, or a new vent penetration. However, if your kitchen remodel includes an addition or exterior modification, design review can apply. We’ll check your property’s status with the city before you spend a dollar on plans.
Construction work in Claremont is allowed between 8 a.m. and 5 p.m. on weekdays, with more restrictive hours on weekends depending on the project type and proximity to residential neighbors. Noisy work like demolition, jackhammering, or roof tear-off should be scheduled within those hours. If you’re on a tight Village lot with shared walls, we give adjacent residents advance notice before noisy phases start.
Tight lot conditions affect your quote in three ways: material staging (we may need off-site storage or phased deliveries), debris removal (more frequent haul-away trips), and access (hand-carrying materials instead of machine placement). These aren’t hidden costs; we line-item them in your estimate so you can compare quotes accurately. A remodel on a narrow Village lot will typically run 5 – 15% higher in logistics costs than the same project on a wide mid-century lot.
Seismic retrofits on Claremont’s pre-1950 homes typically involve bolting the sill plate to the foundation, adding plywood shear panels at cripple walls, and sometimes strapping the water heater. The city reviews retrofit work as a structural change, and permits are required. Costs for a standard retrofit range from $4,000 to $10,000 depending on foundation access and crawl-space conditions. We pull permits, coordinate the structural engineer when needed, and schedule inspection sign-off. Call (855) 473-5620 to have us look at your foundation.
Written by Ruben Castillo, Owner at San Bernardino Contractors, serving Claremont with honest, brand-specific remodeling since opening our doors. One contractor, every phase.