Bathroom Remodel Cost in Boise
A real-numbers pricing guide for Boise homeowners planning a bathroom renovation in 2026. Tier breakdowns, line-item costs, neighborhood adders, ventilation and hard-water factors, and ROI data — written by an Idaho registered Boise remodeling contractor.
Quick answer
Most Boise bathroom remodels cost $25,000–$45,000 in 2026. A refresh that keeps the existing layout — vanity, toilet, fixtures and re-tile — runs $12,000–$22,000, and a primary-bath rebuild with a curbless shower, freestanding tub and custom vanity runs $55,000–$95,000. Moving the toilet, sink or shower drain is the single biggest swing, adding $2,500–$8,000 in plumbing alone.
Boise, ID · Bathroom Remodeling
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Boise bathroom remodel costs cluster into three honest tiers. The biggest jumps between tiers are: layout change vs preserved footprint, tub-shower combo vs custom walk-in, and stock vanity vs custom millwork.
Refresh
$12,000 – $22,000
New vanity, toilet, fixtures, and re-tile in the existing footprint
- New stock or semi-custom vanity (36–48")
- Quartz remnant counter
- New toilet (mid-grade)
- Re-tile shower or tub surround
- New shower or tub fixtures
- Floor tile or LVP replacement
- Existing layout preserved — no plumbing relocation
Mid-Range
$25,000 – $45,000
Full remodel with custom tile, walk-in shower, vanity rebuild, ventilation upgrade
- Custom-tile walk-in shower with Schluter waterproofing
- Frameless or semi-frameless glass enclosure
- Quartz vanity counter, new mirror, lighting
- Code-compliant exhaust ventilation
- PEX supply line upgrade
- Premium porcelain or natural-stone floor
- Minor layout adjustment possible
Premium
$55,000 – $95,000
Master suite scope — curbless shower, custom millwork, freestanding tub, heated floor
- Curbless walk-in shower with linear drain
- Freestanding soaking tub
- Custom millwork double vanity
- Slab quartzite or natural-stone counter
- Heated floor (electric or hydronic)
- Custom lighting design (layered ambient, task, accent)
- Full layout redesign possible
Tile and shower waterproofing is usually one of the two largest line items on a Boise bathroom remodel, alongside the vanity package. Plumbing rework is the biggest variable between otherwise identical projects.
Two identical-spec $40,000 bathroom remodels can land $5,000+ apart based on what's hiding in the existing walls and floor. The biggest neighborhood-level drivers are housing-era complications (plaster, knob-and-tube, cast-iron drains, galvanized supply), and overlay review (HPC, ARC). Here's the honest range for each Boise neighborhood we work in.
North End
1900–1940 craftsman, bungalow
Typical adder: +$3,500–$10,000
- •Lath-and-plaster shower-wall demo: +$1,200–$3,500
- •Knob-and-tube replacement at vanity and fan circuits: +$2,500–$5,000
- •Cast-iron drain stack access for new shower drain: +$800–$2,500
- •Subfloor reinforcement for tile shower base: +$400–$1,500
East End / Warm Springs
1900s–1920s + post-2000s infill
Typical adder: +$2,800–$8,500
- •HPC review for any exterior-visible window in the bath: +$500–$1,500
- •Plaster demo + horsehair-binder containment: +$1,200–$3,000
- •Knob-and-tube at exhaust fan and lighting circuits: +$2,500–$5,000
Boise Bench
1940–1970 ranch, mid-century
Typical adder: +$1,200–$4,500
- •Galvanized supply replacement at shower, sink, toilet: +$800–$2,200
- •60-amp panel upgrade for heated floor or new fan circuits: +$2,200–$3,800
- •Asbestos floor-tile mastic abatement on pre-1980 floor: +$500–$1,500
- •Cast-iron toilet flange replacement: +$300–$900
Sunset / 30th Street
1950s ranch + 2010s infill
Typical adder: +$600–$3,500
- •Alley-access material handling: +$300–$700
- •Original 5x7 baths often need wall-out or layout change: +$2,500–$6,500
- •Newer infill homes have zero adder
South Boise / Vista
1940s–1960s
Typical adder: +$800–$3,200
- •Galvanized supply replacement: +$600–$1,500
- •Crawlspace access for new drain runs: +$400–$1,200
- •Original shower stalls often need full demo + waterproof rebuild: scope-dependent
Northwest Boise / Collister
1960s–1990s
Typical adder: +$0–$2,500
- •Modern wiring and PEX-era plumbing in 1990s+ stock — clean scope
- •1960s–70s ranches may need GFCI / fan circuit additions: +$800–$1,800
- •No HOA or historic friction
West Boise
Mixed era suburban
Typical adder: +$0–$2,000
- •1990s+ tracts run clean
- •1980s tract homes may have aluminum branch wiring at vanity outlets: +$800–$1,800
- •Subdivision HOA review usually light on bath scope
Foothills
1980s–2000s custom + new luxury infill
Typical adder: +$1,500–$7,500
- •Larger master baths (often 150–300+ sf) scale every line item
- •Steep driveway access — smaller deliveries: +$300–$800
- •Curbless shower and high-end finishes pull toward premium tier
- •HOA design review on Crane Creek and Hidden Springs: +$500–$2,000
Harris Ranch
2000s+ planned community
Typical adder: +$500–$2,500
- •Harris Ranch ARC submittal for any exterior window change: +$500–$1,500
- •Modern construction — no plaster, no knob-and-tube, no galvanized
- •Larger floor plans pull toward mid-range or premium tier
- •HOA delivery and parking restrictions add light coordination
Boise hard water
Boise municipal water averages about 108 ppm — moderately hard. Over time it sediments shower glass, fouls valves, and crusts faucet aerators. Spec'ing hard-water-rated faucets (Delta, Moen, Kohler with anti-scale) and quarterly squeegee + glass treatment add about $0 to upfront cost but extend fixture life meaningfully.
Tile labor in Boise
Tile-setter day rates in Boise run $750–$1,200 depending on experience. A typical custom shower (walls, niche, bench, floor) takes 4–7 days for a single setter or 2–4 days with a small crew. Large-format tile and natural stone require more experienced installers — add 15–25% to standard tile labor.
Pre-1980 home complications
Pre-1980 Boise bathrooms commonly have lath-and-plaster walls, galvanized supply, cast-iron drain stacks, knob-and-tube wiring, and asbestos floor-tile mastic. Budget a 10–15% contingency on top of project price for any home built before 1980 to absorb scope additions discovered during demo.
Permits and inspections
Cosmetic-only work usually doesn't trigger permits. Once you move plumbing, add electrical, modify ventilation, or change shower configuration, City of Boise permits are required ($300–$900 typically). We file all permits as part of the project — already in the budget.
Glass and fixture lead times
Custom frameless shower glass in Boise runs 2–3 weeks from final measurement to install. Premium fixture lines (Brizo, California Faucets, Waterworks) run 3–8 weeks. Order before demolition — schedule waterproofing and tile to align with glass measurement window.
A bathroom remodel returns part of its cost at resale, not all of it. The 2024 Remodeling Cost vs. Value report puts a mid-range bathroom remodel at about 74% of cost recouped as a national average. That share moves year to year and by region, and no published dataset breaks it out for Boise — so treat 74% as the national benchmark, not a local promise. The scopes below are the ones Boise homeowners ask about most.
| Scope | Typical Cost | What drives it |
|---|---|---|
| Mid-range remodel in the existing footprint | $25,000 – $45,000 | The most common Boise scope. Keeping the layout is what holds the number down. |
| Primary bath rebuild (curbless shower, freestanding tub) | $55,000 – $95,000 | Bigger room, more tile, more fixtures — and usually a layout change. |
| Refresh without moving plumbing | $12,000 – $22,000 | Vanity, toilet, fixtures and re-tile inside the existing footprint. |
Ranges are Iron Crest's Boise pricing for these scopes, not national averages.
Most-requested add-ons we see in Boise bathroom remodels, priced as incremental adds to a bath already in construction.
What does a bathroom remodel cost in Boise in 2026?
A Boise bathroom remodel in 2026 generally falls into three tiers. A refresh — new vanity, toilet, fixtures, and re-tile within the existing footprint — runs $12,000–$22,000. Most Boise bathroom projects land in the middle at $25,000–$45,000: a new walk-in shower or tub-shower combo, custom tile, quartz vanity, and a ventilation upgrade. A premium primary bath with curbless shower, freestanding tub, custom millwork vanity, heated floor, and natural-stone slab runs $55,000–$95,000. The single biggest variable is whether the layout changes — moving the toilet, sink, or shower drain adds $2,500–$8,000 in plumbing alone.
Why does the same bathroom remodel cost differently in different Boise neighborhoods?
Three factors drive neighborhood cost variance for bathrooms in Boise: housing-era complications (lath-and-plaster shower walls in the North End or East End add demo time; cast-iron drain stacks in the Bench need cutting access; galvanized supply lines need replacement), waterproofing complexity (older subfloors need additional reinforcement and new membrane systems), and access (alley-only second-floor bath access in older neighborhoods adds material handling cost). A 2010s Harris Ranch hall bath runs cleaner than a 1924 East End master bath even with identical finishes, because the 1920s home will need wiring, plumbing, and substrate updates the newer home doesn't.
What's the most expensive part of a bathroom remodel?
Tile and shower waterproofing is usually one of the two largest cost blocks on a Boise bathroom remodel. In Boise, shower tile alone runs $1,800 for basic ceramic in a small alcove to $12,000+ for large-format porcelain or natural stone in a curbless walk-in. The Schluter Kerdi waterproofing system or a comparable bonded membrane runs $1,200–$3,000 in materials and skilled install on a typical shower. The vanity (cabinet + counter + faucet + mirror + lighting) is the second-largest line item at $2,500–$15,000.
How much should I budget for ventilation and waterproofing in Boise?
Ventilation matters more in Boise than people expect — winter humidity in a sealed bathroom can drive mold growth on cold exterior walls. A code-compliant exhaust fan installation (rated for the bathroom's cubic-foot volume, vented to the exterior, on a humidity sensor or timer) runs $400–$1,200 installed. Waterproofing for the shower runs $1,200–$3,000 in materials and labor for a Schluter Kerdi or Hydro Ban system. Skipping or under-spec'ing either is a common cause of moisture problems after a remodel.
Do I need a permit for a bathroom remodel in Boise?
Cosmetic-only work (paint, replace toilet/vanity/fixtures in their existing locations, re-tile floor) typically doesn't require a permit. Once you move plumbing, add electrical circuits, modify ventilation, or change the shower configuration, a City of Boise plumbing and electrical permit is required. Permit fees are set by the City of Boise fee schedule and scale with the declared project value. We file all permits as part of the project — that's already in the project budget. Inspections add about a week to the schedule.
What's the ROI on a bathroom remodel in Boise?
A bathroom remodel recoups part of its cost at resale, not all of it. The annual Cost vs. Value report published by Remodeling magazine is the standard reference for recoup rates by region and project type; read the current edition for your area rather than a figure quoted second-hand. Beyond resale, the practical return is the years of use — a dated bathroom is the room buyers and owners notice most.
Can I save money by keeping the existing bathroom layout?
Yes — and bathrooms are even more layout-sensitive than kitchens because of the drain and supply runs. Keeping the toilet, sink, and shower in their existing locations saves $2,500–$8,000 in plumbing rework, $800–$2,500 in electrical relocation, and 3–7 days of timeline. The tradeoff: if the original bath is a poor layout, paying to fix it now is usually right because the room serves you for 15–25 years. The easiest hybrid is keeping the toilet and sink fixed while reconfiguring the tub-to-shower zone, which is where most of the use happens anyway.
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Ready to price your own project? See bathroom remodeling, shower remodeling, our Boise bathroom remodeling page, or the line-by-line cost breakdown.
Bathroom Remodeling reads differently in each Boise neighborhood — different housing era, different permit overlay, different finish-tier expectations. 9 neighborhood-specific guides:
The following government agencies, industry organizations, and official resources provide additional information relevant to your remodeling project.
This page is Boise-specific bathroom cost detail. For the statewide framework — three size bands (powder / full / primary suite), line-by-line component share-of-budget, tub-to-shower conversion cost, hard-water tile selection, and honest regional variance across the Treasure Valley plus East Idaho and North Idaho — see the Iron Crest Idaho Bathroom Cost hub.
Idaho Bathroom Remodel Cost (hub)
Statewide framework — size bands, line items, ROI
Tub-to-Shower Cost in Idaho
$12k–$25k framework + upgrade menu
Primary Suite Addition Cost
Interior vs exterior — $25k–$150k+ tiers
Shower Tile Cost in Idaho
Material $/sf, install labor, hard-water picks
Bathroom Design & Planning
Curbless, waterproofing, heated floor, layout
Idaho Remodeling Guide (super-hub)
10 hubs · 48 pages · primary-source-verified
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