General Contractor in Claremont
Any Claremont project that touches structure, requires a permit, and pulls in more than one trade needs a licensed general contractor coordinating the work. The city grew in two distinct phases: an early-1900s college town core following incorporation in 1907, then a mid-century push northward across what had been citrus groves. That history shows up in the housing stock, where Craftsman bungalows near the Village sit alongside ranch houses built a generation later, most of them with compact original kitchens closed off from the dining room. Opening up a floor plan like that typically means framing, plumbing, electrical, and finishes all running at once. Horizon Construction and Remodeling is a California Class B general building contractor, and we handle remodels, additions, and new construction in Claremont, managing permits through the City of Claremont Building Division, coordinating every trade, and walking the job through each inspection to final sign-off.
Services We Offer
Room Additions & ADUs
Whole Home Remodels
New Construction
About Working with a General Contractor in Claremont
Working with a general contractor in Claremont begins with a site visit and a written scope of work, so both sides agree on exactly what gets built before money changes hands. We prepare drawings in-house, bring in a structural engineer or energy consultant when the project calls for one, and write a home improvement contract that clearly states the work, the payment schedule, and the start and completion dates. Because many Claremont homes are designated or eligible historic resources, we account for the city’s Preservation Ordinance and applicable design guidelines early in the drawing process. Selections are finalized before construction starts, so no tile or fixture choice stalls the crew mid-project.
We submit plans to the City of Claremont Building Division, respond to plan-check comments, and pull the permit under our license. One project manager then sequences demolition, framing, and all specialty trade subcontractors in the right order, orders materials ahead of need, and schedules each required inspection. Any change you request receives a written change order showing its effect on cost and schedule before work proceeds. At the end we close out the permit, collect lien releases, and walk the finished project with you.
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Permits for general contracting work in Claremont go through the City of Claremont Building Division, and the process involves more than a standard plan check for many properties. The city’s Preservation Ordinance sets out specific procedures for reviewing any action that would alter, relocate or demolish a designated or eligible historic resource, and citywide design guidelines apply across the neighborhoods. Claremont’s early-1900s Craftsman and bungalow houses near the Village fall squarely within that review framework, so drawings and specifications have to be prepared with those requirements in mind from the start. We account for all of that before a contract is signed, not after plan check returns a set with corrections.
California law defines what a Class B general building contractor license authorizes. A B license covers projects that involve at least two unrelated building trades, or any framing or carpentry, on a structure people live or work in. A specialty licensee, such as a C-10 electrician or a C-36 plumber, can perform skilled work in a single trade but cannot serve as the prime contractor on a multi-trade remodel. Before signing with any contractor in Claremont, look up the license number on the Contractors State License Board website and confirm the record is active, in the correct classification, and in the company’s legal name. The public record also shows whether a bond and workers’ compensation coverage are on file.
Home improvement contracts in California are governed by Business and Professions Code 7159. Every contract must be in writing and must include a description of the work, a payment schedule tied to work actually performed, approximate start and completion dates, and specific consumer notices that include your right to cancel in certain situations. Under Business and Professions Code 7159.5, the down payment a contractor may collect is capped by state law, and progress payments cannot run ahead of completed work. A contractor who asks for a large sum up front before work begins is a warning sign worth taking seriously.
Two additional rules apply on most jobs. Subcontractors and suppliers who go unpaid can record a mechanics lien against your property even when you have paid the general contractor in full, which is why preliminary notices commonly arrive during a project. Paying on the contract schedule and collecting lien releases as payments go out is the straightforward protection. Separately, work in homes built before 1978 that disturbs painted surfaces falls under the EPA Renovation, Repair and Painting rule, which requires a certified firm to perform that work. Horizon Construction and Remodeling Inc. is an EPA Lead-Safe Certified Firm.
Other Remodeling Services We Offer

A kitchen remodel touches more trades than any other room in the house: layout, cabinetry, plumbing, electrical, ventilation and finishes. Horizon designs and builds kitchen remodels under one contract, from the measured layout to the final inspection.

Whether you envision a classic Southern California pool or a fully customized backyard oasis, Horizon Construction & Remodeling delivers the highest level of quality and service. Our comprehensive pool design and remodeling services cover everything from layout and decking to built-in BBQs and final touches like landscaping. Let Horizon be your trusted partner in transforming your backyard into the perfect outdoor retreat.

If you are planning a complete bathroom remodel or simply want to change your tub, shower, update your plumbing fixtures, or make the space more efficient, our team at Horizon will help you through the process with expert advice, professional craftsmanship, and affordable options with beautiful results. Learn more about our bathroom remodeling services.

Transform your space with our expert interior work services. We offer a comprehensive range of solutions — from space planning and custom design to the selection of high-quality finishes and materials. Our team of experienced professionals works closely with you to create a space that’s both functional and stylish, tailored to your unique needs, goals, and budget. Whether you’re updating a single room or overhauling your entire interior, we bring precision, creativity, and craftsmanship to every project.

At Horizon, we believe your home is more than just four walls — it’s where life happens. It’s the place you relax, gather with family and friends, and create lasting memories. That’s why we offer a full range of exterior work services designed to elevate your outdoor living space. From patios and hardscaping to custom decks and exterior renovations, we help turn your vision into a dream yard that complements your lifestyle and enhances curb appeal.

At Horizon Construction & Remodeling, our expert team includes a dedicated design and planning division that works hand-in-hand with licensed architects and structural engineers. We take care of everything — from detailed plans and blueprints to securing city permits — so you don’t have to deal with delays or red tape. Our goal is to streamline the process and provide a fully approved set of documents that aligns with both your vision and city regulations, saving you time and stress.
Why Choose Horizon Remodeling For General Contractor in Claremont
Why Claremont Homeowners Work With Horizon
- Licensed by the California Contractors State License Board (CSLB), and bonded, so the license on your permit application is the same one on your contract.
- In business since 2009, giving us a long track record on the kinds of projects Claremont homes actually need, from opening up the closed-off kitchens common in the city’s mid-century ranch houses north of the Village to carefully planned additions on early-1900s Craftsman bungalows near the college core.
- Design-build delivery means drawings, engineering coordination, permitting through the City of Claremont Building Division, and construction all sit under one contract with one project manager accountable from first plan to final walkthrough.
- We coordinate specialty trade work through appropriately licensed subcontractors, so every portion of the job meets California’s requirements for the license classification that covers it.
- Sequencing matters on multi-trade projects. Having one team manage the schedule reduces the gaps between trades that cause delays and cost overruns on whole-home remodels, room additions, ADUs, and structural work.
- Our record is public and searchable through the CSLB.
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General Contractor FAQ




Do I need a general contractor for my project in Claremont?
For any project in Claremont that pulls a permit, crosses two or more trades, or touches framing, California generally requires a licensed contractor holding the right classification, and a multi-trade job calls for a Class B general building contractor. Owner-builder status is available on your own home, but it puts scheduling, inspections, and any employer obligations for hired workers directly on you. In a city where the Building Division reviews permits and the Preservation Ordinance adds a layer of scrutiny for historic resources, most homeowners find that managing all of it becomes a full-time job in itself.
Who pulls the permit, and who deals with the inspector?
Yes, Horizon pulls permits directly under our license through the City of Claremont Building Division and carries responsibility for passing every inspection from foundation and framing through rough trades to final sign-off. Because so many Claremont homes are designated or potentially eligible historic resources, we also account for the city’s Preservation Ordinance procedures early in the planning process. If an inspector flags anything, we correct it and schedule the re-inspection. Once work is complete, we close out the permit so the record is on file, which matters when you refinance or sell.
How long does a general contractor project take?
How long a remodel takes depends on its scope and on how the local permitting process unfolds. For projects in Claremont, plans go through the City of Claremont Building Division, and design and engineering alone can take several weeks to a few months before the application is even submitted. Plan check adds more time depending on the department’s workload and how many correction rounds come back. Construction on a single room may run several weeks, while a whole-home remodel or addition typically takes many months. We give you a realistic schedule once the scope is defined, not a guarantee.
What drives the cost of a general contractor project?
Cost in a general contracting project is shaped most directly by scope and structure. Adding square footage, moving walls, or altering a roofline pulls in engineering, framing, and additional inspections, and upgrading electrical service, replacing aging plumbing, or meeting current Title 24 energy requirements adds further work. In Claremont, where the Building Division reviews permits and the city’s Preservation Ordinance governs any alterations to designated or eligible historic resources, those layers matter early. Site conditions, finish selections, and fire-zone requirements all factor in, and mid-construction changes remain the most avoidable cost driver, which is why we lock in selections before the work begins.
How much can a contractor ask for up front?
California law caps the down payment a contractor can collect on a home improvement contract, and after that initial amount, payments are required to track the work actually completed rather than running ahead of it. A contract that demands a large sum before anyone has lifted a tool is a warning sign worth taking seriously. In Claremont, where many projects involve older Craftsman bungalows near the Village that fall under the city’s Preservation Ordinance, clear contract terms matter even more. Our contracts follow the statute, tie each payment to a defined stage of completed work, and include the consumer notices the law requires.
Do you use subcontractors?
Yes, like nearly every general contractor, we use licensed specialty subcontractors for certain trades, and they work on our schedule and under our direct supervision. We take responsibility for their work, pay suppliers and subs on time, and provide lien releases as payments go out, so a preliminary notice from a supplier stays routine paperwork rather than a concern. In older Craftsman homes near the Village or mid-century ranches to the north, you deal with one project manager coordinating every trade, not a separate list of contacts.
Explore More in Claremont
Horizon is a licensed Class B general building contractor serving Claremont and the surrounding Los Angeles County communities.
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