Whole Home Remodeling in West Covina
Most West Covina homeowners who call us about a whole home remodel are happy with their neighborhood but frustrated with how the house functions. The city grew more than tenfold during the 1950s, so the typical home here is a single-story postwar tract house with a closed-off kitchen that no longer suits the way families live today. A whole home remodel addresses that by reworking several rooms at once under a single permit pulled through the City of West Covina, moving walls to open the floor plan, and bringing plumbing and wiring up to current standards. That is a fundamentally different undertaking than a single-room project, 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 West Covina
Whole home remodeling in West Covina often starts with a house that was built in the postwar boom years, and those 1950s tract homes carry decades of accumulated changes: framing that was cut for additions, old electrical panels, slab foundations that hide plumbing you cannot see until you look. Before we draw a single line, we walk the entire house, not just the rooms on your wish list. We check the attic, inspect the slab or crawl space, review the panel, and where something is unclear we investigate first, using a sewer camera or asbestos testing on original textured ceilings, because a surprise mid-project costs far more than finding it early.
From there we produce a complete set of drawings that combines the new layout, any structural engineering, and the Title 24 energy documents the City of West Covina requires before issuing a building permit. Selecting cabinets, tile, flooring, and fixtures happens at our Fullerton design center before demolition begins, so materials are confirmed before trades show up. Construction moves in a fixed sequence: demolition, structural work, rough plumbing, electrical, and mechanical, then inspections, insulation, drywall, and finishes. One project manager carries the job from that first walk-through through final inspection.
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Permits, Age of Construction, and What They Mean for Your Remodel
A whole home remodeling project in West Covina almost always requires a full building permit with plan check, because the work touches structure, electrical, plumbing, and mechanical systems at the same time. Permits are issued by the City of West Covina for all work inside city limits. No unusual local overlay complicates the process here, which means the state building code and the age of your specific house are the two things that drive the review path, the material choices, and sometimes the setbacks. We look at both of those factors at the start of every project, before any walls come down, because they can change the scope in ways that affect your budget and schedule.
West Covina grew explosively in the 1950s, and most of its single-story tract homes date from that era. Houses of that age come with predictable conditions. Lead-based paint is possible in any home built before 1978, and contractors who disturb it must follow the EPA Renovation, Repair and Painting rule; Horizon is an EPA Lead-Safe Certified Firm. Popcorn ceilings, certain older flooring materials, and duct insulation from the same period can contain asbestos, so suspect materials are tested before work begins and any removal is handled by a licensed abatement contractor. Galvanized supply lines and undersized electrical panels are also common in homes of that vintage, and a whole home remodel, with walls already open, is the practical time to address them.
Two California requirements come up on nearly every permitted whole-house job. 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 beginning rather than treating it as a surprise at final inspection. California’s Title 24 energy code applies to remodels as well as new construction, covering new windows, insulation, lighting, and HVAC changes, and we prepare the required compliance documents as part of the plan set.
Structure is the other major variable in a West Covina whole home remodel. The postwar floor plan that put the kitchen behind a solid wall was standard in the 1950s, and opening that kitchen to the living and dining areas means engineered beams, posts, and sometimes new footings. Raised-floor houses common in this city can also benefit from foundation bolting and cripple-wall bracing while the work area is open. Unpermitted additions, enclosed patios, and garage conversions from past decades are common throughout neighborhoods like South Hills and Cortez Park, and they typically need to be legalized, upgraded, or rebuilt before the city will approve the rest of the project. If more space is part of the goal, state law allows an ADU on most single-family lots, and it can be planned alongside the remodel from the start.
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 West Covina
Why West Covina Homeowners Work With Horizon
Horizon Construction and Remodeling Inc. has been taking on whole-home remodels as a licensed, bonded general building contractor since 2009. A Class B General Building license is specifically suited to this kind of work, where structural changes, multiple trades, and a single coordinating permit are all part of the same project. That matters in West Covina, where the City issues building permits for any work inside city limits, and where the age of the housing stock, most of it built in the 1950s, is what typically governs what you find behind the walls once work begins.
We operate as a design-build contractor, meaning drawings, engineering coordination, permits, and construction all move under one contract managed by one project manager. The people planning your layout are in direct contact with the crew executing it. For a postwar tract house, where the original floor plan often separates the kitchen from the living areas with load-bearing walls, that kind of coordination between design and field work is not optional, it is how the project stays on track.
We are also straightforward about the parts of a remodel homeowners do not always want to hear: what an older home commonly needs once walls are open, and which decisions can reasonably be deferred without driving up cost later. Specialty trade portions are handled by appropriately licensed subcontractors we coordinate directly.
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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 the house as one connected system rather than a series of separate projects. Instead of updating a kitchen one year and a bathroom the next, several rooms are addressed at once, walls can be moved or removed to reshape the floor plan, and plumbing, electrical, and HVAC are updated throughout in a single coordinated effort. For the postwar tract homes that make up much of West Covina’s housing stock, that kind of unified approach matters because the original layouts were built with walled-off rooms that no longer suit the way most families live. Everything is drawn, permitted through the City of West Covina, and sequenced together so each trade comes through once instead of reopening finished work later.
What's the difference between a whole home remodel and a complete home renovation?
A remodel and a renovation are not the same thing, though most whole-home projects in West Covina end up being both. Remodeling changes layouts and finishes, while renovation addresses the house itself: structure, windows, plumbing, wiring, and heating and cooling systems. In a city where most homes date to the 1950s postwar building boom, aging systems and original finishes often need attention at the same time. We scope everything together, putting structural and weatherproofing work first, then systems that become hard to reach once walls close, then the finishes you live with daily.
Do we have to move out during a whole home remodel?
The honest answer is that it depends on how much work is happening at once. Whole home remodeling in West Covina often means updating a 1950s postwar tract house where the kitchen, bathrooms, floors, and drywall are all addressed together, and when everything comes out at the same time most families move out for the heaviest phases. If the project can be staged, keeping one bathroom functional and setting up a temporary kitchen elsewhere, some homeowners choose to stay. Phasing adds time to the schedule, so we work through that trade-off once the plan is finalized.
How long does a whole home remodel take?
How long a whole home remodeling project in West Covina takes depends on the scope of work, how smoothly plan check moves, and how quickly you finalize selections. Design and permitting can take as long as the build itself, and plan check with the City of West Covina alone can run several weeks or more. Construction on a full house typically spans several months, and that timeline stretches when there is structural work, an addition, or conditions hidden inside the walls of these mid-century tract homes. We build a schedule specific to your house into the proposal, and getting the drawings started early is the single biggest factor in your move-back-in date.
Who handles the permit for a whole home remodel in West Covina?
Yes, we handle the full permit process for whole home remodeling in West Covina. Our team prepares the plan set, which includes structural engineering and Title 24 energy documents, submits everything to the City of West Covina, and responds to any plan-check comments until the permit is issued. We schedule and attend all required inspections during construction and close out the permit at final. If an HOA approval also applies, we build that into the project schedule.
What drives the cost of a whole home remodel?
Whole home remodel costs vary widely, and two West Covina houses of the same square footage can land far apart in price, so we do not publish ranges. The biggest drivers are structural changes such as removing a load-bearing wall, relocating a kitchen or bathroom on a slab foundation, how much repiping, rewiring, and panel work the house needs, any lead or asbestos handling, added square footage, and the finish level you choose. Your proposal breaks every item out line by line, separating must-do work from elective choices.
Explore More in West Covina
Horizon is a licensed Class B general building contractor serving West Covina and the surrounding Los Angeles County communities.
Other Services in West Covina
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