Whole Home Remodeling in Montclair
Whole home remodeling in Montclair is the right move when you like your neighborhood but the house itself no longer works the way you need it to. Much of the housing stock here grew out of the postwar tract boom, built on land that had been citrus groves before the city was incorporated as Monte Vista in 1956 and renamed Montclair in 1958. Those compact single-story homes with attached garages and walled-off kitchens have real limitations, and a whole home remodel addresses them in one coordinated project: walls relocated to open the floor plan, plumbing and wiring updated, and multiple rooms reworked under a single permit pulled through the City of Montclair Building Division. That scope is fundamentally different from a single-room job, and we approach the planning accordingly from the first walk-through.
Services We Offer
Structural & Seismic Work
Roof, Windows & Envelope
Additions & ADUs
Our Whole Home Remodeling Process in Montclair
Whole home remodeling in Montclair typically starts with a full walk-through of the house before a single line is drawn. Most homes here were built during the postwar tract boom of the late 1950s, and that age matters. We check the attic, the slab, the electrical panel, and the supply lines. Where something looks uncertain, we investigate first: a sewer camera, asbestos testing on original textured ceilings, a structural review of framing that may have been altered over the decades. From there we draw both the existing conditions and the proposed layout, so you can review and revise on paper before anything costs real money. Structural engineering and Title 24 energy documents go into the same plan set, submitted together to the City of Montclair Building Division for a single permit.
Once permits are approved, the work follows a fixed sequence: demolition, structural, rough plumbing, electrical and HVAC, inspections, insulation, drywall, and finishes. Cabinets, tile, flooring, and fixtures for every room are selected at the Horizon Design Center in Fullerton before demolition begins. One project manager carries the job through final inspection.
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Whole home remodeling in Montclair almost always triggers a full building permit with plan check, because the work typically touches structure, plumbing, electrical and mechanical systems at the same time. Those permits go through the City of Montclair Building Division. No unusual local overlay applies here, which means the governing factors are the California building code and the age of the house itself. We review both against your scope at the very beginning, since they can affect exterior material choices, setbacks and the plan-check path well before any demolition starts.
Most homes in Montclair date to the postwar tract boom, and that age drives much of what we uncover once work begins. Houses built before 1978 may contain lead-based paint, and any contractor who disturbs it must follow the EPA Renovation, Repair and Painting rule. Popcorn ceilings, certain older flooring and duct insulation from that same period can contain asbestos, so we test suspect materials before proceeding and send any confirmed hazardous material to a licensed abatement contractor. Galvanized supply lines and undersized electrical panels are also common in homes of this vintage. A whole home remodel is the practical moment to address all of it, because the walls are already open and the disruption is consolidated into one project rather than spread across several.
Two state requirements come up on nearly every whole-house job in California. Civil Code 1101.4 requires that older high-flow toilets, showerheads and faucets be replaced with water-conserving fixtures on many permitted remodels of homes built before 1994, so we include that in the fixture schedule from the start rather than discovering it at final inspection. California’s Title 24 energy code applies to remodels as well as new construction, covering windows, insulation, HVAC changes and lighting. We prepare the compliance documentation as part of the plan set.
The compact, single-story layout that is typical across North Montclair and the Monte Vista Avenue corridor often leads homeowners to open the walled-off kitchen into the living area. Removing a load-bearing wall requires an engineered beam, posts and sometimes new footings. Raised-floor foundations common on these lots can also benefit from bolting and cripple-wall bracing while the work area is already exposed. Unpermitted additions or enclosed patios added in past decades need to be legalized or rebuilt before the city will sign off on the broader project. If more square footage is part of the plan, state law allows an ADU on most single-family lots and it can be designed alongside the remodel.
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 Whole Home Remodeling in Montclair
Horizon Construction and Remodeling has held a Class B general building contractor license since 2009, and whole home remodeling is exactly the kind of work that classification covers: multiple trades, structural decisions, and a single coordinated permit pulled through one contractor. We are licensed and bonded, and every project runs under one contract with one project manager overseeing drawings, engineering coordination, and construction from start to finish.
That structure matters in Montclair, where most homes went up during the postwar tract boom and carry the limitations that come with that era. Compact layouts, load-bearing walls between the kitchen and living room, and aging systems behind the drywall are common findings once work begins. Because the permit process runs through the City of Montclair Building Division and the building code itself governs what is required, the age of the house is often what drives the scope. We walk homeowners through what an older home typically needs before finishes are ever chosen, and we are straightforward about which items are necessary now and which can wait without creating bigger costs later.
Finishes for every room are selected together so the kitchen, bathrooms, and flooring stay consistent across the whole house. We are also direct about practical realities: whether living in the home during construction is workable, and what the wall cavities of a mid-century Montclair tract house are likely to reveal once opened up.
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Whole Home Remodeling FAQ




How is a whole home remodel different from a regular home remodel?
A whole home remodel treats your house as one connected system rather than a collection of separate rooms. In Montclair, where most homes are compact postwar single-story houses with small walled-off kitchens and limited living space, that approach makes particular sense. Several areas are rebuilt at once, walls are moved or removed to open the floor plan, and plumbing, electrical, and HVAC are updated throughout. Everything is drawn, permitted through the City of Montclair Building Division, and sequenced together so trades work through once instead of reopening finished work later.
What's the difference between a whole home remodel and a complete home renovation?
A remodel changes layout and finishes, while a renovation restores what the house is built on, meaning structure, roof, windows, plumbing, wiring, and heating and cooling. Most whole home remodeling projects in Montclair are some of both, which matters because so many homes here are postwar tract houses with aging systems tucked behind walls that have never been opened. We scope everything together, addressing what protects the house first, then the systems that become hard to reach once walls close, then the finishes you see every day.
Do we have to move out during a whole home remodel?
Whether you stay in the house during a whole home remodeling project in Montclair depends on scope. If the kitchen and every bathroom are going out at once, or floors and drywall are coming out throughout, most families leave for at least the heaviest phases. Many of Montclair’s postwar tract homes have compact, walled-off kitchens and limited bathrooms, which makes phasing harder but not impossible. Keeping one bathroom live and setting up a temporary kitchen can let some families stay, though phasing adds time, so we talk through that trade-off once the plan is drawn.
How long does a whole home remodel take?
How long a whole home remodeling project in Montclair takes depends on scope, plan check, and how quickly selections get made. Design and permitting often take as long as construction itself, and plan check with the City of Montclair Building Division alone can run several weeks or more. Construction on a whole house typically runs several months, longer when there is structural work, an addition, or hidden conditions behind the walls, which is common in the compact postwar tract homes that make up most of the city’s housing stock. We give you a schedule specific to your house with the proposal, and starting the drawings early is the biggest lever on your move-back-in date.
Who handles the permit for a whole home remodel in Montclair?
Whole home remodeling in Montclair includes full permit management, and our team handles every step with the City of Montclair Building Division. We prepare the complete plan set, which covers structural engineering and Title 24 energy documents, submit the package, and work through any plan-check comments until the permit is issued. Many homes in the area date to the postwar tract era, so the age of the house and the current building code are what govern the scope. Throughout construction we schedule and attend all required inspections, including framing, plumbing, electrical, mechanical, and insulation, and we close out the permit at final.
What drives the cost of a whole home remodel?
Whole home remodeling costs vary widely in Montclair, so we do not publish price ranges. Two houses of the same footprint can land far apart depending on what the work actually involves. The postwar tract homes along corridors like Holt Boulevard and Monte Vista Avenue were built decades ago, which means structural changes, aging systems, and material handling often shape the budget as much as finish selections do. Key drivers include load-bearing wall removal, kitchen or bathroom relocation on a slab foundation, repiping, rewiring and panel upgrades, lead or asbestos remediation, added square footage, and the finish level you choose. Every proposal we provide breaks all of that out line by line, separating work that must be done from decisions that are yours to make.
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Horizon is a licensed Class B general building contractor serving Montclair and the surrounding San Bernardino County communities.
Other Services in Montclair
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