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Transparency record · updated October 8, 2026
Corrections and updates
We record material factual corrections, coverage clarifications, methodology changes, and important editorial updates. Minor spelling or formatting fixes are not normally listed.
October 8, 2026
- What changed
- Replaced wording suggesting commonly observed costs with explicit editorial planning allowances in the opening cost answer; synchronized this guide’s review, structured-data and sitemap modification dates.
- Cost model changed?
- No; cost ranges, version 2026.1 and calculator outputs are unchanged
- Reason
- To distinguish planning assumptions from measured contractor bids at the point where readers encounter the figures.
October 7, 2026
- What changed
- Added a merchant-neutral specification checklist for hardware, mirrors and vanity fit; total-installed-spending arithmetic; seller-policy checks; primary-source context; and direct links to the budget and proposal-comparison tools.
- Cost model changed?
- No; cost ranges, model 2026.1 and calculator outputs are unchanged
- Reason
- To help readers evaluate purchases using compatibility and full scope rather than shelf price, without adding affiliate links, untested product rankings or invented prices.
October 7, 2026
- What changed
- Replaced ambiguous budget-share bands with non-overlapping categories and a hypothetical budget that reconciles; clarified the contingency denominator; placed explicit evidence labels beside project and comparison summaries; and corrected the About-page description of regional indicators.
- Cost model changed?
- No; version 2026.1, calculator formula and cost outputs are unchanged
- Reason
- To distinguish contextual sources from editorial assumptions, avoid double-counting, and avoid implying that every project allowance is generated by the calculator equation.
October 7, 2026
- What changed
- Labeled the combined labor, supervision, demolition and coordination share as an editorial planning assumption rather than an observed national average; explained category overlap and removed self-references from related-guide recommendations.
- Cost model changed?
- No; version 2026.1, calculator formula and dollar outputs are unchanged
- Reason
- To distinguish assumptions from source observations and avoid double-counting work already included in bundled quotes or the full-project estimate.
October 2, 2026
- What changed
- Added direct cost answers, explained the guide/calculator difference, separated design-build scope from planning allowances, and added a sourced plumbing-jurisdiction explanation and bid comparison actions.
- Cost model changed?
- No; version 2026.1 and dollar outputs are unchanged
- Reason
- To answer local budgeting questions and clarify that Seattle plumbing permits use Public Health – Seattle & King County, separately from building and electrical checks.
October 1, 2026
- What changed
- Added direct cost answers, explained the guide/calculator high-end difference, added a bid-comparison checklist, and replaced legacy city source links with the current permitting page and 2026 express-permit bulletin.
- Cost model changed?
- No; version 2026.1 and all dollar outputs are unchanged
- Reason
- To answer local planning questions clearly and distinguish city permit jurisdiction from metro cost assumptions. The former permitting URL redirects to the city homepage.
October 1, 2026
- What changed
- Corrected the unsupported claim that market factors were a computed BLS/BEA blend. Published the exact equation and evidence ledger, added worked size/finish and index sensitivity examples, and distinguished contextual sources from editorial assumptions.
- Cost model changed?
- No; version 2026.1 dollar outputs are unchanged
- Reason
- The source code stores factors directly and contains no reproducible data-extraction or weighting ledger. Readers must be able to distinguish verified benchmarks, assumptions and arithmetic.
October 1, 2026
- What changed
- Added guide-specific scope comparison tables, hypothetical worked examples, and practical bid and budget actions; corrected five outdated hub links.
- Cost model changed?
- No
- Reason
- To provide original decision support without presenting fictional prices as market observations or claiming professional review.
September 10, 2026
- What changed
- Expanded the planning, comparison, project, and location hubs; added citable Cost Index findings and attribution guidance; and improved the readability of small supporting text.
- Cost model changed?
- No
- Reason
- To make existing pages more useful, accessible, and easier for publishers and researchers to reference without changing the underlying estimates.
September 4, 2026
- What changed
- Expanded scope and room-type tables, budget components, planning guidance, FAQs, article imagery, and contextual links. Rejected conflicting draft ranges and retained the documented 2026.1 model.
- Cost model changed?
- No
- Reason
- To improve usefulness and search-intent coverage without creating duplicate articles or presenting unsupported cost claims.
August 31, 2026
- What changed
- Changed the coverage statement from “50 US states” to “20 major markets.”
- Cost model changed?
- No
- Reason
- The earlier wording described the calculator’s national scope but overstated the number of published local market guides.
August 31, 2026
- What changed
- Added anonymous measurement using room-size bands, scope, finish, estimate completion, and follow-on guide clicks.
- Cost model changed?
- No
- Reason
- To measure usefulness without collecting names, contact details, accounts, or exact project inputs.
August 31, 2026
- What changed
- Added direct related-guide recommendations across national, city, project, and planning articles.
- Cost model changed?
- No
- Reason
- To help readers move between cost, scope, schedule, permit, contractor-comparison, and calculator resources.
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