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Fast, Reliable Home Remodeling Across Calabasas
Full home remodeling in Calabasas is a different animal than it is down in the Valley. The hills, the canyons, the county jurisdiction, the view corridors, the septic systems, the fire codes. We know because we’ve been scoping and building here long enough to see what happens when a contractor treats a Calabasas hillside lot like a flat Woodland Hills subdivision. It goes wrong, and it goes wrong expensive. If you’re planning a kitchen remodel, a whole-home renovation, an addition, or an ADU on Calabasas acreage, call us at (805) 309-3386 before you pull plans. A wrong assumption up front can cost you permits, redesign fees, and months of delay.
We price every Calabasas project in writing before the first tool comes off the truck. No verbal ballparks that grow. Our Home Remodeling team walks the lot, checks the setbacks, the septic, the drainage, and the view lines, then hands you a fixed number. That’s the only way to remodel in a town where the county, not the city, often has the final word.
Why Mason Remodeling Co Thousand Oaks Is Calabasas’s Preferred Home Remodeling Company

Calabasas homeowners call us because we don’t guess. We scope the job against the real conditions of the property: county permitting, leach field locations, well setbacks, fuel modification zones, and the view preservation analysis that can make or break a hillside addition. When a neighbor formally objects that your new roofline blocks their mountain views, that’s a Calabasas problem. We plan for it before it becomes your problem.
Every Mason Remodeling crew member that arrives at your Calabasas home is background-checked and identity-verified under the Threshold Standard. You get the technician’s name and photo before the visit, then a photo ID badge at the door. No surprise subcontractors, no “some guy my cousin knows.” Isaac Pruett leads our team, and he holds every project to one rule: if it isn’t right within 365 days of completion, we make it right at no cost to you. That’s the Done Right Promise, in writing, on every contract.
Our Calabasas customers don’t wait on call trees. A live person answers (805) 309-3386 24 hours a day, 7 days a week. Weekends, holidays, rain delays, inspection questions. You call, a person picks up.
Styles & brands we work with







Full Home Remodel in Calabasas
A full home remodel in Calabasas means rethinking an entire house, often on a hillside lot with views you’re not allowed to block, a septic system you can’t build over, and a canyon road that makes every material haul a logistics problem. We handle the whole scope: kitchens, baths, structural changes, windows, flooring, rooflines, additions. The key is sequencing the work so the county sign-offs don’t stall the finish work.
Kitchen remodels in Calabasas start around $14,000 and run to $45,000 depending on cabinet grade, countertop stone, and whether you’re moving plumbing or gas lines. Bathroom remodels land between $9,000 and $28,000. A full-home scope typically combines those with structural or system upgrades, so your total depends on square footage and hillside conditions, but expect the kitchen and bath allowances to anchor the budget.
Septic and Well Setbacks on Hillside Lots
Remodeling on Calabasas acreage often means working around a septic leach field and a well with a 100-foot setback. You can’t pour foundation over a leach field, and you can’t add square footage that pushes the rough-in closer to the well. We map both before quoting, because the county will check, and so will your neighbor’s view corridor.
Grading and Erosion Control
Calabasas winter rains hit hillside lots hard. Any full remodel that touches the footprint needs a drainage plan that anticipates erosion control requirements, especially inside fuel modification zones. Our crew scoped a Mulwood home off Mulholland Highway where the existing ranch sat on a septic system with a tight well setback. Before we quoted a dollar on the new kitchen or bath, we mapped the leach field, confirmed the addition cleared the well, and engineered a drainage swale to keep stormwater from undermining the new foundation. That’s the scoping every Calabasas full remodel requires.
Home Remodeling Contractor in Calabasas

A home remodeling contractor in Calabasas has to know which projects fall under county jurisdiction and which under city. Get that wrong and you’ll be mid-permit on a kitchen remodel when someone points out your new island blocks a protected view corridor. We identify the authority, the view analysis requirement, and the fire code path before we write a single line item.
What you get from us is a written price before any work starts, and a written guarantee on every project. The guarantee states exactly what’s covered, what’s excluded, and for how long: 365 days from the completion date. If a repair or installation fails, we come back free. No charge, no dispute process, no conditions. That’s our Home Remodeling in Calabasas standard.
Luxury Finishes and Hillside Engineering
Calabasas clients expect luxury finishes, and we specify through professional-grade material lines: KraftMaid and Wellborn cabinetry, Cambria, Silestone, and Caesarstone surfaces, Kohler, Moen, and Toto fixtures. But the finish work only matters if the structure underneath is sound. Hillside lots need reinforced foundations, shear wall construction, and sometimes retaining wall work before the tile goes up.
Fire-Resistant Materials and Defensible Space
Calabasas is wildfire country. Building codes require fire-resistant materials and defensible space around the structure. We factor that into window specs (impact-rated glass from ES Windows or ECO Window Systems where the code or the lot demands it), siding choices, roof assemblies, and hardscaping. It’s not an upsell. It’s the permit.
Trusted Brands We Service in Calabasas
We install and service professional-grade products from CGI, CWS, and ES Windows on Calabasas projects. Calabasas jobs move faster when parts come from a supplier relationship we’ve already vetted, and when the crew knows the hardware. Whether you’re replacing windows on a Mulwood ranch or building out a Mountain View Estates remodel, we quote the actual window, the actual cabinetry, the actual fixture, not a “similar quality” placeholder. That’s how the written price stays the written price.
See the difference
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AfterCommon Home Remodeling Problems We See in Calabasas Homes
- City-drawn plans that the county rejects. A homeowner starts a kitchen remodel with city plans, then finds out the county has jurisdiction and the island blocks a protected view corridor. Permits stall, redesign fees pile up.
- Contractors who ignore septic lines during grading. A standard home addition quote doesn’t account for protecting existing septic lines while moving earth, and the first heavy rain turninto a leach field repair.
- Patio and drainage remodels that fail inspection. Hillside work needs an erosion control plan, and inspectors inside fuel modification zones are unforgiving about drainage details.
- Material haul underestimates. Narrow canyon roads mean larger trucks can’t always get up. A crew that doesn’t plan for staging and smaller loads will blow the schedule and eat the difference, or push it onto your change order.
Pricing for Home Remodeling in Calabasas, CA
Here are the ranges we quote most often on Calabasas residential work:
| Project Type | Calabasas Price Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
What moves a Calabasas bid higher: hillside grading, septic and well setbacks, view preservation analysis, fire-resistant material upgrades, long material hauls, and structural reinforcement for seismic code. We quote those as line items, not vague “contingency” cushions. The estimate is free, and it’s a real number. Call (805) 309-3386 to schedule yours.
We Also Serve Cities Near Calabasas
Beyond Calabasas, we serve homeowners in West Hills, Topanga, Canoga Park, and Agoura Hills. If you’re on the edge of Calabasas and not sure whether you’re city or county, call (805) 309-3386 and we’ll help you sort the jurisdiction before you spend a dollar on plans.
Serving Calabasas, CA - Our Local Coverage Area
We’re based in the Calabasas area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Home Remodeling in Calabasas
Yes, for most additions and remodels on hillside lots in Calabasas. A view preservation analysis determines whether your new roofline or added height blocks a neighbor’s protected mountain view. The city or county, depending on jurisdiction, reviews it as part of the permit process, and a neighbor can formally object. We handle the analysis and design around it before you commit to plans. Call (805) 309-3386 to talk through your lot specifically.
Any addition or remodel that extends the building footprint has to clear the well setback (typically 100 feet) and cannot sit atop the leach field. Kitchen and bath remodels themselves are usually fine if they stay within the existing footprint, but moving plumbing walls outward gets complicated. We map the septic and well as part of the estimate. That’s what our Mulholland Highway scoping work taught us: no point designing a kitchen until you know where the leach lines run.
Fuel modification means clearing or maintaining vegetation and using fire-resistant building materials in zones designated as wildfire-risk areas. For a remodel, that affects window glass, siding, roof covering, decking, and the drainage plan, since erosion control ties into the same inspection. We design to the fuel modification requirements of your specific lot so the final inspection doesn’t turn into a redo.
Calabasas canyon roads are narrow, winding, and steep in places. A full-size material truck often can’t reach the site, which means staging at a flat lot and shuttling loads up in smaller runs. That adds labor hours and sometimes crane time. A contractor who doesn’t line-item this is either eating the cost or hiding it in your change orders. Our written price shows it in the open.
Yes, garage conversions to ADUs are common on Calabasas acreage, and they typically run $90,000 to $220,000 depending on whether you’re converting in place or adding square footage. The septic system and well setback are the usual limiting factors, plus any view preservation analysis for increased height. We’ve handled garage conversions where protected view corridors dictated the ceiling line. Call (805) 309-3386 and we’ll scope it against your actual lot before you spend money on plans.
Written by Isaac Pruett, Owner at Mason Remodeling Co Thousand Oaks, serving Calabasas since 2004.
Planning a remodel in Calabasas? Start with the answer to one question: is this county or city? We’ll figure it out, scope the lot, and put your price in writing. Call (805) 309-3386 for a free estimate.










