Bathroom Remodeling in Calabasas
Horizon Construction and Remodeling handles bathroom remodeling in Calabasas as a licensed and bonded Class B general building contractor, managing everything from early design through final inspection. Most homes here are two-story hillside or gated tract builds that went up between the 1970s and 1990s, well before the city officially incorporated in 1991, and their bathrooms tend to reflect that era in both layout and fixtures. The position of existing walls and plumbing largely determines how much the space can change, which we work through early in the planning process.
Services We Offer
Electrical & Lighting
Plumbing
Flooring & Waterproofing
How Our Bathroom Remodeling Process Works in Calabasas
Despite being one of the smallest rooms in a home, a bathroom stacks more trades into its footprint than almost any other space, with framing, plumbing, electrical, waterproofing, tile, and finish carpentry all competing for the same few square feet. In Calabasas, where much of the housing stock dates from the 1970s through the 1990s, those original bathrooms often need full reconfiguration rather than a simple refresh. We manage bathroom remodeling in Calabasas as one continuous sequence, so the shower pan is water-tested before tile is set and every rough-in inspection is signed off before walls are closed. Fixture locations, vent routing, niche placement, door swing, and clearances are all resolved during design, because a single decision reversed mid-construction in a room this size almost always means opening a wall a second time.
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Bathroom remodeling in Calabasas starts with two practical questions: what the existing plumbing layout will support, and what the permit path requires. Approvals for this work go through the City of Calabasas Building and Safety Division, and the process can include more than one permit application. Homeowners whose properties have protected oak trees nearby should know that the city’s Oak Tree Ordinance may require a separate oak tree permit before any ground disturbance begins. We identify those requirements during the design phase so nothing stalls the schedule once construction starts.
Most homes in Calabasas are two-story hillside or gated tract properties built between roughly the 1970s and 1990s, and the bathrooms in those homes reflect their age. The first real decision in any remodel is whether the fixtures stay on their existing drain lines or move. Keeping the toilet, tub and vanity where they are holds the schedule predictable and the budget stable. Moving them means opening the floor and reworking the drain, waste and vent stack, which is a materially different job at a different cost. We settle that question during the design conversation, not after demolition.
Age also changes what the code requires. Any home built before 1978 falls under federal lead renovation rules, and California’s own lead-in-construction standard tightened on January 1, 2025. The point that surprises most homeowners is Civil Code section 1101.4: pull a permit on a single-family home built before January 1, 1994, and every non-compliant plumbing fixture in the house must be replaced with a water-conserving one, not only the fixtures in the room being remodeled. We price that into the project scope during design rather than surfacing it as a change order later.
Waterproofing determines whether a bathroom holds up over time or fails quietly behind the walls. A shower pan has to pass a water test before anything covers it, so we build the assembly to meet that test: sloped pre-slope, bonded membrane carried up the walls, and an inspection before tile is set. Exhaust ventilation follows the same discipline. Under Title 24 requirements that took effect January 1, 2026, bathroom exhaust must be ducted to the exterior rather than discharged into an attic space, and we build to that standard on every project.
Other Remodeling Services We Offer
A modern bathroom adds functionality, comfort, and lasting value to your home. At Horizon Construction & Remodeling, our bathroom remodeling experts bring fresh ideas and professional project management tailored to your unique needs. From layout design to material selection, we prioritize delivering a high-standard bathroom that’s both beautiful and energy-efficient — enhancing the way you cook, gather, and live every day.
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 Bathroom Remodeling in Calabasas
Horizon Construction and Remodeling has been working as a licensed Class B general building contractor, bonded, since 2009, serving bathroom remodeling projects across Southern California including Calabasas. Many of the homes here are two-story hillside or gated tract builds from the 1970s through the 1990s, and their original bathrooms reflect that era. Dated layouts, shallow vanities, and tub-shower combinations that made sense decades ago are now the starting point for most of the calls we get.
The work typically falls into one of three categories: a hall bath that needs full replacement, a primary suite reconfigured around a larger shower, or an aging-in-place renovation where a curbless entry, blocking for grab bars, and comfort-height fixtures take priority over decorative choices. We approach all three the same way, with measured drawings, a fixed written scope, and one point of contact throughout. Permits go through the City of Calabasas Building and Safety Division, and if construction falls near a protected oak, an oak tree permit may be required before work begins.
We pull every required permit, build to the inspection schedule, and water-test the finished space before the final walkthrough. Specialty trade portions are performed by appropriately licensed subcontractors we coordinate directly, so there is no subcontractor roulette and no wall opened twice.
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Bathroom Remodeling FAQ
What is included in your bathroom remodeling design-build process?
Our bathroom remodeling process in Calabasas covers every phase from the first in-home measure through a scaled layout of fixture positions and clearances, a fixed written scope with an allowance schedule, permit submittal to the City of Calabasas Building and Safety Division, demolition, rough plumbing and electrical, inspection, waterproofing and the shower pan water test, tile, fixtures, finish carpentry, and a final walkthrough with the punch list closed before we leave.
How long does a typical bathroom remodeling project in Calabasas take?
A bathroom remodel in Calabasas typically runs about three to five weeks of on-site work after the permit is issued, provided fixtures stay close to their current positions. Relocating drain lines, stripping the room to studs, or waiting on a backordered tile or vanity will extend that window. Many of the hillside tract homes built here before the city incorporated in 1991 need that kind of structural attention. You receive a written schedule before demolition begins and a weekly update throughout the project.
How do you manage bathroom remodeling costs and budgeting?
Every bathroom remodeling project in Calabasas starts with a measured survey of the existing room, covering drain and vent locations, door swing, and clearances, followed by a layout and written scope you review before any demolition begins. Many of the tract homes built across hillside subdivisions here in the 1970s through 1990s have bathrooms that have never been updated, so that upfront planning step matters.
Can you match a specific bathroom remodeling style or inspiration photo?
Yes, matching existing tile, trim, and cabinetry profiles in a partial bathroom remodel is something we can do. Many Calabasas homes built through the 1970s and 1990s carry consistent finishes throughout, and we will tell you honestly if a discontinued product cannot be closely reproduced.
How do you maximize bathroom remodeling functionality and storage?
Storage in a bathroom remodel is a planning decision, not an afterthought. The usable space is rarely where homeowners expect it to be, and that is especially true in the tract homes from the 1970s through the 1990s that make up much of Calabasas, where bathrooms were often sized to a builder minimum. Stud cavities can accept a recessed medicine cabinet or a shampoo niche, the wall above the toilet can carry a shallow cabinet without crowding the room, and replacing a drawer bank with a full-height pull-out frequently yields more storage than what it replaced. We work through all of that at layout stage, alongside fixture positions, so storage is built into the room rather than bolted on later. If a bathroom genuinely has no wall to spare, we say so rather than selling you millwork that makes the space feel smaller.
Are you licensed, insured, and qualified to handle bathroom remodeling permits?
Yes, Horizon pulls the permit for you rather than leaving that step to the homeowner. We are a licensed and bonded Class B general building contractor, and bathroom remodel permits in Calabasas go through the City of Calabasas Building and Safety Division. A permitted remodel typically requires rough-in and final inspections, with a shower pan water test in between. Many homes in the Calabasas Hills and Park Moderne areas were built in the 1970s through 1990s, and that inspection record matters at resale because unpermitted bathroom work surfaces in escrow more often than most homeowners expect, and correcting it afterward costs far more than doing it right the first time.
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Horizon is a licensed Class B general building contractor serving Calabasas and the surrounding Orange County communities.