Run a bathroom remodel Calabasas search and you get a thousand design galleries. Most homeowners actually want one thing first: a number. In the Calabasas and Woodland Hills market, a bathroom project lands in one of four price bands, from about $18,000 for a cosmetic refresh to $225,000 for a full spa-level primary suite. Where you land has almost nothing to do with taste and almost everything to do with how much of the room you disturb.
RnD Builders Inc has been building in the west Valley since 2014 under CSLB license #1081122. What follows is how we price bathrooms here, what each tier buys, what quietly drives the number up, and how to read a bid before you sign it.
What a bathroom remodel costs in Calabasas and Woodland Hills
These are our own working price bands for bathroom remodeling in Woodland Hills, Calabasas and the surrounding west Valley — not national averages. They assume a licensed contractor, permits pulled where required, and real subcontractors rather than one handyman with a helper.
| Tier | Range | Typical room | What it buys |
|---|---|---|---|
| Standard refresh | $18K–$28K | Hall or guest bath, 35–60 sq ft | New fixtures, vanity, tile and lighting in the existing footprint. Nothing moves. |
| Full mid-range remodel | $40K–$60K | Hall bath or small primary | Down to studs, new waterproofing, semi-custom vanity, custom shower, some plumbing relocation. |
| High-end primary | $80K–$120K | Primary bath, 100–150 sq ft | Layout changes, freestanding tub, curbless shower, slab surfaces, custom glass and cabinetry. |
| Luxury / spa-level | $150K–$225K | Large primary suite, often with closet | Structural work, steam, heated floors, book-matched stone, integrated lighting and controls. |
$18K–$28K: the standard refresh
This is a cosmetic rebuild inside the existing footprint. The toilet, tub or shower pan, and vanity all go back roughly where they were. You get a new vanity and top, new toilet, new faucets and shower valve, new floor tile and a tiled tub or shower surround, new lighting and exhaust fan, and paint.
What stays: the plumbing rough-in, the drain locations, the window, and usually the subfloor. Fixture grade is quality stock rather than a specified designer line, and tile is porcelain in a common format, typically $6–$12 per square foot. In a 1960s Woodland Hills tract bath this is the most cost-efficient project available, and it is the right call for a guest bath you use twice a month.
$40K–$60K: the full mid-range remodel
Here the room comes down to the studs, which is where the real value sits. Once the walls are open you can correct the things that actually fail: rotted blocking, undersized venting, corroded galvanized supply lines that are still common in homes built before 1970, and shower pans that were never properly waterproofed.
Scope typically includes a sheet-membrane or liquid-applied waterproofing system, a custom tiled shower with a niche and glass enclosure, a semi-custom vanity with a quartz top, upgraded fixtures, recessed and vanity lighting on separate switching, and modest plumbing relocation — shifting a vanity a few feet, or swapping a tub for a larger shower. Electrical gets brought current with GFCI protection and a properly sized fan.
$80K–$120K: high-end and primary bathrooms
This tier is defined by layout freedom. Plumbing moves where the design wants it, not where 1968 left it. Expect a freestanding tub with a floor-mounted filler, a curbless or low-curb shower with a linear drain, large-format porcelain or stone slab walls, custom cabinetry, heated floors, and frameless glass cut to the opening rather than ordered stock.
Fixture grade steps up to specified lines with lead times measured in weeks, so selections have to be locked before demo. Non-plumbing walls often move to steal space from a hallway or closet. If you are also reworking the adjoining closet or bedroom, look at how that scope compares to a planned home addition before you commit — sometimes adding square footage is the cheaper answer.
$150K–$225K: luxury and spa-level
At this level the bathroom is a small construction project rather than a room remodel. Structural changes are on the table: removing a bearing wall, reframing a floor to drop it for a curbless entry, enlarging windows, sometimes bumping the exterior wall out. Systems get serious — a steam generator with its own drain and sloped ceiling, a dedicated water heater or recirculation loop, integrated lighting scenes, towel warmers.
Finishes drive a large share of the number. Book-matched slab, hand-set mosaic, custom millwork and living-finish hardware all carry material and labor premiums. Timelines usually run 12 to 20 weeks, and permitting is a real path item rather than a formality.
Bathroom remodel styles that actually suit homes here
The housing stock in Woodland Hills, Tarzana and Encino skews mid-century ranch and 1970s two-story, while Calabasas and Hidden Hills lean Mediterranean, transitional and newer custom. Style should follow the house, not a saved image. Here are the directions that hold up in these neighborhoods, with the tier each realistically requires.
Modern and contemporary
Floating vanity, frameless mirror, large-format tile, minimal hardware, neutral palette. Contemporary adds technology — digital shower controls, lit mirrors, in-mirror displays. The trap is that modern reads cheap the moment the details are off, because there is no trim to hide behind. Floating vanities also need blocking in the wall and often relocated drains. Realistic tier: $40K–$60K minimum, $80K+ if you want slab walls and a curbless entry.
Transitional
The most requested direction we see in Calabasas — clean lines with warmth, shaker or slab-front cabinetry, quartz or honed marble tops, matte black or brushed brass. It photographs well, ages slowly, and does not fight a Mediterranean exterior. Realistic tier: $40K–$60K for a hall bath, $80K–$120K for a primary.
Traditional
Furniture-style vanity, paneled detail, classic tub, softer neutrals, decorative lighting. Well suited to older Encino and Tarzana homes with real millwork elsewhere. Cost lives in cabinetry and trim labor rather than plumbing. Realistic tier: $40K–$60K, more if the vanity is fully custom.
Farmhouse and modern farmhouse
Shiplap or beadboard, apron sinks, matte black fixtures, wood tones, hex or subway tile. Popular, achievable at the lower tiers, and forgiving of imperfect walls — the paneling covers a lot. Realistic tier: $18K–$28K for a guest bath, $40K–$60K done properly with new waterproofing.
Spa and wellness
Curbless shower, heated floor, steam, teak, layered dimmable lighting, stone. This is the one style that cannot be faked at a lower tier, because every defining element is a system rather than a finish. Realistic tier: $120K and up.
What actually drives bathroom cost up
Two bathrooms with identical finishes can differ by $40,000. The gap is almost always in these items.
- Moving plumbing. Relocating a toilet flange or shower drain means opening the floor, cutting into joists within code limits, and re-sloping the waste line. On a slab-on-grade home it means jackhammering concrete. On a second floor it means opening the ceiling below. Budget several thousand dollars per fixture moved, more on slab.
- Tub to curbless shower. A zero-threshold entry requires the floor structure to drop or the whole bathroom floor to be built up. That is framing work, not tile work, and it usually pulls in a linear drain and a larger waterproofing scope.
- Waterproofing done correctly. A properly detailed shower — sloped pre-slope, bonded membrane, sealed corners and penetrations, correct curb wrap — costs more than a mud pan and a roll of plastic. It is also the single item most responsible for the tear-outs we get called into five years later.
- Heated floors and steam. Electric radiant needs a dedicated circuit and a floor-sensing thermostat. Steam needs a generator, a drain, a vapor-tight enclosure and a sloped ceiling. Both are far cheaper installed during a remodel than added afterward.
- Custom glass. Stock enclosures are inexpensive. Frameless 3/8-inch or 1/2-inch glass templated to a curbless opening with notched panels is not, and it is ordered after tile is set, so it lands late in the schedule.
- Older Valley construction. Homes built before 1978 in Woodland Hills, Tarzana and Encino regularly turn up asbestos-containing floor mastic or joint compound, lead paint, galvanized supply, cast iron drains at end of life, undersized 1950s electrical, and framing that is out of plane. None of it is unusual. All of it is money.
This is the same pattern that shows up in kitchens and other big-ticket work — the finish selections are visible, but the structure and systems set the price. We break the equivalent math down in our kitchen remodel cost guide and on our kitchen remodeling page.
Permits and inspections for bathroom work in LA County and Calabasas
A cosmetic swap — same fixtures in the same places, paint, a vanity that reuses the existing rough-in — generally does not require a permit. Almost everything else does.
In most LA County jurisdictions, you need a permit once you alter or relocate plumbing, add or move electrical circuits, remove drywall, change the layout, or do structural work. Bathrooms in the unincorporated Valley and in Los Angeles city are handled by their respective building departments; homes in the city of Calabasas go through the City of Calabasas building division, which contracts plan review and inspection services and typically requires plans for any layout or structural change. Hidden Hills adds its own architectural review layer on top of building permits.
Expect inspections in sequence: rough plumbing, rough electrical, framing if structural work was done, a shower pan water test held for a set period, insulation where exterior walls were opened, and final. The pan test is the one homeowners underestimate — tile does not go on until it passes, and a failed pan means the waterproofing comes back out.
Two practical notes. In California, new or altered bathroom exhaust generally must be ducted to the exterior and meet current fan requirements, and Title 24 water efficiency standards apply to replacement fixtures, so flow rates on showerheads and faucets are not a free choice. For a sense of how permitting timelines behave on larger residential scopes here, our walkthrough of the ADU permitting process covers the same departments and the same review queues.
How to tell a fair bid from a lowball
The cheapest bathroom bid is usually the most expensive project. Here is what separates a real number from a placeholder.
- Line-item scope, not a lump sum. A fair bid names the waterproofing system, the fan CFM, the number of fixtures being relocated, and who supplies what. A one-page total with “bathroom remodel” on it is a starting point for change orders.
- Named allowances. Tile, plumbing fixtures, glass and cabinetry should carry stated allowances with units. A $4,000 tile allowance for a slab-clad primary bath is a lowball hiding in plain sight.
- Permits included and identified. If permits are excluded, or the contractor suggests skipping them, the risk transfers to you at resale and at your insurance claim.
- License, bond and insurance verified. Check the CSLB license number on the state site yourself. Confirm general liability and workers’ compensation, not just a business license.
- A realistic schedule. A gut bath in three weeks is not a plan. Mid-range projects generally run 5 to 8 weeks, high-end 8 to 14, luxury 12 to 20, plus material lead times.
- A contingency line. On a pre-1980 home, a contractor who does not mention the possibility of hidden conditions has either not opened many walls or intends to bill you for them later.
Ask every bidder the same question: what happens if you open the wall and find rot. The answer tells you more than the price does.
Frequently asked questions
How much does a bathroom remodel cost in Los Angeles?
In the Calabasas and Woodland Hills area, plan on $18,000 to $28,000 for a cosmetic refresh, $40,000 to $60,000 for a full mid-range remodel taken to the studs, and $80,000 to $120,000 for a high-end primary bathroom. Luxury and spa-level primary suites run $150,000 to $225,000. Los Angeles labor and permit costs sit above the national average, so national calculators tend to read low here.
How much is a master bathroom remodel?
A primary bathroom remodel in this market generally starts around $80,000 and runs to $120,000 once the layout changes, and $150,000 or more with steam, structural work or slab stone. The jump from a hall bath is driven by size, the number of fixtures, and the fact that primary baths almost always involve moving plumbing rather than reusing it.
Do I need a permit to remodel a bathroom in Calabasas?
Yes, in most cases. A like-for-like cosmetic swap usually does not require one, but any plumbing relocation, electrical change, layout change or structural work does, and the City of Calabasas building division will typically want plans for layout changes. Permitted work also protects you at resale, when an unpermitted bathroom shows up in disclosure.
How long does a bathroom remodel take?
A standard refresh typically takes three to five weeks, a full mid-range remodel five to eight weeks, and a high-end primary bathroom eight to fourteen weeks. Add lead time for custom glass, stone slabs and specified fixtures, which are frequently the reason a finished-looking bathroom sits unused for two weeks.
Is it cheaper to convert a tub to a shower?
Converting a tub to a standard curbed shower in the same footprint is a modest cost increase over replacing the tub. Going curbless is a different project — the floor structure has to be dropped or built up, which brings in framing, a linear drain and a larger waterproofing scope, and typically adds several thousand dollars.
What adds the most value in a bathroom remodel?
Correct waterproofing, adequate ventilation and a sensible layout add the most durable value, because they are what fail and what buyers’ inspectors flag. Among visible upgrades, a well-built shower with quality glass and good lighting returns more than an expensive freestanding tub that rarely gets used.
Planning a bathroom project in the west Valley
The homeowners who get the best outcomes are the ones who pick a tier honestly before they pick a tile. Decide how much of the room you are willing to disturb, price that scope properly, and let the style follow. If you are weighing a bathroom against other work on the house, our guides to garage conversion costs and home additions use the same tier logic.
RnD Builders Inc is a family-owned, women-led general contractor run by Roi and Danielle Dahan, working in Woodland Hills, Calabasas, Tarzana, Encino, Hidden Hills and across Los Angeles and Ventura counties since 2014. If you want a scoped, line-item number for your bathroom rather than a range, request a consultation or call (818) 510-1360 and we will walk the room with you.
