Site information
About 51828
51828 publishes practical US home service cost calculators with transparent formulas, worksheets, source links, and editorial review notes.
Update history
Page maintenance log
Expanded publisher identity, project motivation, data handling, and correction responsibility.
Users and reviewers should be able to see who maintains the site and why the content exists.
Publisher trust review.
51828 Cost Research Desk. Maintained by lengyan.
Found an outdated source, unclear formula, or useful quote example? Send the page URL and details to wwang@51828.com.
What we publish
51828 focuses on home project cost planning. The site is built for homeowners who want a rough range, a stronger quote checklist, and better contractor questions before they call local providers.
The site also maintains an anonymous quote data workflow for reviewed homeowner-submitted quote summaries.
Why the site exists
Many project-cost pages ask for contact information before showing useful details. 51828 keeps the first job simple: let a homeowner estimate a planning range, understand the scope assumptions, and prepare a cleaner conversation with local contractors.
Who maintains the site
51828 is maintained by lengyan, Publisher and cost guide maintainer, from San Antonio, Texas. The maintainer owns the calculator assumptions, source-library updates, quote worksheet structure, and correction review queue.
External profile: github.com/lengyan.
The site is intentionally narrow: it does not claim to replace licensed contractors. Its job is to organize visible math, official context links, quote-comparison prompts, and homeowner checklists so a visitor can ask better questions before hiring.
Why this project is maintained
- Many home project cost pages hide the useful planning details behind lead forms or broad averages.
- 51828 is maintained as a practical calculator-first reference so homeowners can understand the scope before talking to contractors.
- The project focuses on transparent formulas, quote comparison, source links, and correction handling rather than contractor matching or paid rankings.
How pages are made
Every core guide includes a working calculator, a transparent formula, a sample quote breakdown, cost drivers, red flags, and source links where official consumer, licensing, tax, energy, or safety guidance is relevant.
| Published by | 51828 Cost Lab |
|---|---|
| Public maintainer | lengyan, Publisher and cost guide maintainer |
| External profile | https://github.com/lengyan/ |
| Review function | 51828 Cost Research Desk: Internal review function for calculator assumptions, source links, and quote-comparison usefulness. |
| Correction contact | wwang@51828.com |
Publisher identity
51828 is published as an independent cost-planning reference. The site does not sell contractor leads, does not rank contractors, and does not accept payment to change calculator formulas or editorial conclusions.
Contact email: wwang@51828.com. Publisher location: San Antonio, Texas.
More publisher and contact details are available on the Publisher Information page.
What we do not do
We do not provide contractor matching, legal advice, insurance advice, tax advice, or guaranteed prices. Local written quotes and licensed professional guidance should override online estimates.