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Renovation Guide HQ
Bathroom Remodel Cost Calculator
By Renovation Guide HQ
Bathroom Remodel Cost Calculator
Pick your bathroom type, remodel scope and fixtures, and get an estimated cost range — plus an item-wise breakdown, permit and timeline guidance, and a printable estimate summary. Based on Renovation Guide HQ’s published bathroom cost guide.
Optional — used only for the per-square-foot display. The range itself comes from the published type × scope ranges.
Fixture choices are a fit check only — they never change the price. If they point to a higher tier than the one you picked, the result tells you.
State adjusts the national range using the BEA all-items price parity for that state (US = 100).
Optional. If your ZIP is covered by the local index (26,265 ZIPs), the state estimate is adjusted by a local cost index built from free public data (county construction wages + HUD rents + Zillow home values). This is an index/proxy, NOT contractor pricing. Unknown ZIPs fall back to the state estimate — no factor is invented.
Please enter a bathroom size between 15 and 300 sq ft, or leave it blank.
Your estimated range
Per square foot (adjusted)
National range, before state adjustment
State price index used
With contingency added
Item-wise breakdown
Model allocation from the guide’s published worked example (see Sources). Rounded to $100; categories may not sum exactly to the total.
Item
Estimated range
Permits
Timeline
Local cost index (ZIP)
Resale value
Estimates only — not a contractor quote. Get at least three itemized quotes from local contractors before signing anything, and compare them line by line against this range.
Save, print or email this estimate
Your estimate estimate appears here after you calculate. Print it, copy it, or prepare it for email.
Sending posts your estimate to the address you enter, with a copy to Renovation Guide HQ. If sending fails, the mailto link below appears instead.
How this estimate works
Start with a published national range by bathroom type. Half bath / powder room $5,000–$12,000; guest / hall full bath $10,000–$25,000; primary / master suite $20,000–$50,000+ (Renovation Guide HQ bathroom remodel cost guide). The type range already reflects the fixed plumbing and electrical costs that dominate small bathrooms.
Scope positions you inside the range. Budget refresh points to the lower third, mid-range to the middle third, high-end to the upper third. The primary-suite top is open-ended (“+”) because layout changes and premium finishes stack without a natural ceiling.
Fixture choices are a fit check, not a price adder. Walk-in tile showers, custom vanities and freestanding tubs point to the high-end tier; keeping fixtures in place points to the budget tier. If your choices point higher than the tier you picked, the result says so — no invented adder is applied.
State adjustment: national range × (state price parity ÷ 100). Same BEA all-items parity table as the kitchen calculator (2024, US = 100), with the same caveat: it is a statewide consumer-spending index, not a bathroom-labor index.
Item-wise breakdown. The breakdown splits the adjusted range using the shares of the bathroom guide’s own published mid-range worked example (5×8 hall bath, subtotal $15,700: shower $6,200; vanity $2,200; toilet $650; floor tile $1,200; plumbing labor $1,600; electrical $1,300; demolition $900; drywall + paint + trim $900; mirror and accessories $350; permits $400). Model allocation, not a quote.
Contingency. The guide’s worked example uses a 15% contingency; the result shows the range with 15% added.
What the state adjustment does not do. High-cost coastal metros typically run 20–50% above the national baseline for bathrooms (guide, directional planning estimate), while smaller cities and rural areas land near or just under it. Always calibrate with local quotes.
Local cost index: method & limits
What this is. The ZIP index is a proxy for local cost level built only from free public data. It is NOT contractor pricing, NOT a quote, and NOT RSMeans data. It adjusts the state-level estimate; it never replaces local quotes.
Formula. Each component is turned into a factor from its national percentile: component factor = 0.5 + percentile (so the median ZIP scores 1.00). Index = 0.4 × BLS factor + 0.3 × FMR factor + 0.3 × ZHVI factor. Where a ZIP’s county has no reported BLS construction wage, the index is 0.5 × FMR factor + 0.5 × ZHVI factor. The state index uses the same formula on state-median values. Factor vs state = index ÷ state index. With “United States” selected, the factor is the ZIP’s index itself (national index = 1.00 by construction). The applied factor is clamped to 0.75–1.50 and the raw value is always shown, so a skewed ZIP cannot silently multiply an estimate several-fold.
Why percentiles, not raw ratios. Raw home-value ratios explode (Beverly Hills ZHVI is ~18× the national median) and would turn a $40,000 kitchen into a $190,000 one. Percentiles rank a ZIP against the whole country, which keeps the index bounded and honest about what it is: a relative cost-level ranking, not a price measurement.
Weights are a modeling choice. The formula is 40% BLS county construction wages (NAICS 23) / 30% HUD / 30% Zillow. No weight here is a measured elasticity.
Data actually downloaded (real values, no placeholders). HUD FY2025 Small Area Fair Market Rents, 2-bedroom SAFMR by ZIP (38,642 ZIPs) via huduser.gov; Zillow ZHVI for All Homes Including Single Family, Condo/Co-op, smoothed and seasonally adjusted, ZIP level, latest month September 2026 (26,265 ZIPs) via files.zillowstatic.com — Source: Zillow Research. State medians were computed from the same files (FMR medians over ZIPs matched to a state via the Zillow file; ZHVI medians over Zillow ZIPs in that state). Six ZIPs are also embedded in the page as an offline fallback, all real downloaded values: 90210 Beverly Hills CA; 90012 Los Angeles CA; 10001 New York NY; 77002 Houston TX; 33139 Miami Beach FL; 60614 Chicago IL. Note: downtown Miami 33101 has a HUD value but no Zillow value in the file, so Miami Beach 33139 is the embedded Florida example instead — no value was invented for 33101.
BLS component — coverage limits. BLS county construction wages are missing for some ZIPs’ counties (1,386 of 26,265 ZIPs): counties where BLS reports no private construction employment or suppresses the figure, and Connecticut counties, which BLS reports under planning regions rather than historic counties in this file. Those ZIPs use the 2-component index (50% HUD / 50% Zillow) and the page says so. No wage was estimated or proxied for a missing county.
Rules the calculator follows. (1) A ZIP in a different state than the one selected does not apply — the page says so and keeps the state estimate. (2) An unknown ZIP never gets an invented factor — the page says it has no local index data for it and keeps the state estimate. (3) The national ZIP table covers 26,265 ZIPs (every ZIP with both a HUD value and a Zillow value); the page also embeds 6 examples as an offline fallback if the table cannot load.
Sources
Tier table and type ranges: Renovation Guide HQ, “Bathroom Remodel Cost” guide — budget refresh $3,000–$8,000 ($80–$120/sq ft, 1–2 weeks); mid-range $12,000–$25,000 ($120–$280/sq ft, 3–5 weeks); high-end $25,000–$50,000+ ($300–$800+/sq ft, 6–8+ weeks); by type: half bath $5,000–$12,000; hall full bath $10,000–$25,000; primary suite $20,000–$50,000+.
Mid-range worked example (breakdown basis): same guide — demolition $900; walk-in shower $6,200; vanity + countertop + faucet $2,200; comfort-height toilet $650; floor tile (40 sq ft) $1,200; plumbing labor $1,600; electrical $1,300; drywall + paint + trim $900; mirror and accessories $350; permits $400; subtotal $15,700; 15% contingency $2,355; total $18,055.
Permit fees and review times: same guide ($150–$1,000 per Angi 2026 data) and Renovation Guide HQ, “Bathroom Remodel Permits” — cosmetic refresh $0–$150 (often no permit); basic permits ~$68–$150; full-renovation permits $100–$1,000 nationally, $1,000–$5,000+ in high-cost metros; over-the-counter permits same-day; full plan reviews 2–6 weeks.
State price parities: U.S. Bureau of Economic Analysis, Regional Price Parities by State, table SARPP, reference year 2024 (US = 100).
Resale value: National Association of Realtors, 2025 Remodeling Impact Report (with NARI) — complete kitchen renovation 60% cost recovery; minor kitchen upgrade 60%; bathroom renovation 50%. Figures are REALTOR estimates of value added versus NARI-member cost estimates for a hypothetical 2,300-sq-ft post-1978 home with no concealed problems — national survey estimates, NOT guarantees for any individual home. Local markets vary widely; a local realtor’s advice matters. NAR press release. No Zonda Cost vs. Value table figures are used anywhere on this page.
Local cost index data: HUD FY2025 Small Area Fair Market Rents, 2-bedroom SAFMR by ZIP, via huduser.gov; Zillow ZHVI for All Homes Including Single Family, Condo/Co-op (smoothed, seasonally adjusted), ZIP level, latest month September 2026, via files.zillowstatic.com (Source: Zillow Research). BLS QCEW county construction wages (NAICS 23), 2024 annual, are in the table — see the Methodology card. State price parities for the state-level estimate: U.S. Bureau of Economic Analysis, Regional Price Parities by State, table SARPP, reference year 2024 (US = 100).
No email or sign-up is required to calculate. This calculator stores nothing in your browser. The email form sends your estimate to the address you enter (copy to Renovation Guide HQ) only when you click send.
