General Contractor in Claremont — Written Fixed-Price Quotes, Permits Handled

Fast, Reliable General Contractor Across Claremont

If you’re planning a kitchen remodel, a home addition, an ADU, or a full exterior overhaul in Claremont, you need a general contractor who understands this city’s unusual permitting and design-review culture before the first board is cut. We’re Alder Contractors, led by Nelson Ibarra, and we manage whole-home projects across Claremont from one contract and one point of accountability. Our team knows the difference between a flat-lot permit in the Village and a hillside/oak-preservation review above Foothill Blvd, and we scope both honestly before you sign. Call (833) 467-7020 to schedule your free estimate.

Call (833) 467-7020

Key Takeaways

• Claremont acreage and hillside projects often run through county permitting, not just city, and that changes the bid.
• Projects above Foothill Blvd or near the Claremont Colleges can need hillside, oak-tree, and design-review approvals before framing starts.
• Alder Contractors quotes grading, drainage, septic/well setbacks, and material haul costs up front, not as change orders.
• ADUs, garage conversions, home additions, roofs, and driveways all carry Claremont-specific price ranges we list below.

Why Alder Contractors Is Claremont’s Preferred General Contractor Company

Claremont homeowners call us because we write scopes of work that reflect how this city actually builds. Nelson Ibarra and the Alder team have worked the flats near the Village, the mid-century tracts south of Foothill, and the larger custom lots up against the San Gabriels. That range matters: the same kitchen remodel costs differently depending on whether your house is a 1910s Craftsman bungalow near the colleges or a 1960s ranch with an open crawlspace. We don’t quote Claremont projects off a generic template.

Our reputation here comes from showing up with a written line-item estimate, naming real material brands (Cambria, Silestone, Wellborn), and telling you where the money goes before work begins. For a city like Claremont with active architectural review, that matters more than a slogan. Homeowners who’ve managed a hillside addition or a Village-core renovation know the approvals can eat the schedule. We plan for that.

General Contractor Services in Claremont

General Contractor Services in Claremont cover the work homeowners ask for most: kitchens, baths, whole-home remodels, room additions, garage conversions, and ADU construction. A typical Claremont kitchen remodel runs $14,000 – $45,000; a small kitchen runs $9,000 – $20,000. Cabinets alone range $4,000 – $13,000 installed, with Wellborn and KraftMaid among the lines we order direct. Countertops in Cambria or Silestone quartz run $2,000 – $6,500 depending on slab and edge profile. Backsplash tile lands at $800 – $2,500. If you’re adding an island, budget $3,000 – $10,000.

Whole-Home and Additions

A home addition in Claremont runs $45,000 – $130,000, and the spread depends heavily on whether you’re on a flat lot near the colleges or a larger parcel north of Foothill with grading and access costs. We scope the foundation, roof tie-in, and any required design-review submissions as separate line items. Whole-home remodels blend several of these scopes under one contract, which is exactly how we prefer to run a project: one schedule, one crew relationship, one accountability point.

ADU and Garage Conversion Scope

ADU construction in Claremont runs $90,000 – $220,000. Garage conversions run $30,000 – $80,000. On acreage lots off Padua Avenue and similar foothill roads, we coordinate with county agencies for well and septic setbacks before we set the pad. That pre-quote coordination is part of what separates our estimates from a remodeler who has only built on city sewer lots.

Construction Company in Claremont

A Construction Company in Claremont does more than tear out and replace; it manages the pre-construction gauntlet this city puts between your plan and your permit. Above Foothill Blvd in particular, hillside review, oak-preservation rules, and architectural design review can all gate the project before framing. A lot in Pomona or La Verne on the flats rarely faces that stack. Here, the approvals are often the schedule driver, not the framing crew.

Roof replacement in Claremont runs $8,000 – $20,000; concrete driveway installation runs $4,500 – $12,000. Roof work here should account for Santa Ana wind loads and the wildland-urban interface pushing fire-resistant underlayment and vents. We source GAF, CertainTeed, and Owens Corning materials and spec them for foothill exposure, not just code minimum. Our crews also handle exterior tie-ins (siding, soffit, fascia) on the same pull so a roof job doesn’t leave a mismatched trim line.

Exterior and Hardscape Work

Paver patios run $3,500 – $11,000; paver driveways run $7,000 – $18,000. For a lot with a long driveway off Mount Baldy Road or Indian Hill Boulevard, material haul and equipment access have to be priced honestly, which is why we walk the site before we quote. Nothing on an acreage parcel should be estimated over the phone.

Permit and Review Management

We pull permits, submit for design review where required, and stay on the job through final inspection. On a remodel near the Village or the colleges, that often means matching period detailing on windows, porches, and rooflines. We’ve handled enough Craftsman and Spanish Colonial work in Claremont to know what the reviewers are checking for.

Trusted Brands We Service in Claremont

Our Claremont clients choose from more than 50 name-brand lines, and we stock local availability information so no one waits on a backordered slab. For kitchens, we install Cambria, Silestone, and Caesarstone countertops with Wellborn cabinetry. For plumbing fixtures, we order Kohler, Grohe, Toto, and Moen direct. Roofing draws from GAF, CertainTeed, and Owens Corning. Siding is James Hardie. Windows and doors come from PGT and Therma-Tru. On ADU and prefab projects, we work with Abodu, Dvele, Mighty Buildings, and Boxabl. That reach means you’re choosing from designer-grade options without hiring a separate designer middleman.

Common General Contractor Problems We See in Claremont Homes

• County vs. city permitting confusion: Acreage lots off Padua Avenue and similar foothill roads often run well, septic, and grading through the county, not the city of Claremont. Homeowners who assume city-only rules get surprised mid-permit, and the schedule slips while the right agency catches up.
• Framing before hillside and oak review clears: Above Foothill Blvd, hillside, oak-preservation, and design-review approvals can all be conditions of your permit. Move before they clear and you’re tearing out work and re-inspecting, a cost no one wants to explain to a neighbor.
• Undefined grading and drainage scopes: Open-lot drainage, swales, daylighted downspout runs, and outbuilding tie-ins get skipped in a rushed quote, then reappear as change orders. We write grading and drainage as its own line item from the start.
• Long material hauls priced as if the lot were in town: A sprawling lot with a long driveway changes delivery and equipment costs. We scope the haul path before we quote so your concrete, framing, and roof material prices reflect the actual site, not a flat-lot assumption.

Pricing for General Contractor in Claremont, CA

We Also Serve Cities Near Claremont

Our General Contractor team works throughout the eastern edge of LA County and into the Inland Empire, including Montclair, La Verne, Upland, and San Antonio Heights. If your project sits near the Claremont line or in a neighboring jurisdiction with lighter-touch permitting, we adjust the scope honestly and tell you what changes. For a deeper look at how we serve this city specifically, visit our General Contractor in Claremont page.

FAQs About General Contractor in Claremont