Collect benchmark inputs
Each calculator starts with explicit source inputs. CostFigure favors primary programs and operational guidance first, then uses strong secondary pricing references to bracket real-world ranges.
How CostFigure Calculates Cost Estimates in 2026
CostFigure is built to show its work. Every calculator starts with a visible benchmark range, explains what moves the number, and gets refreshed when the underlying sources change. This page explains where the estimates come from, how updates happen, and when local pages are strong enough to publish.
Published
Updated
Author Marco Di Cesare
Public fee schedules, manufacturer guidance, government programs, and category-leading pricing references.
Benchmarks are reviewed continuously and republished when the assumptions move enough to change planning guidance.
Calculator pages, state benchmarks, the annual Cost Index, and related guides all follow the same methodology.
The CostFigure modeling workflow
Build low, midpoint, and high scenarios
The calculator logic converts source inputs into visible planning ranges. The goal is not false precision. The goal is to help a user understand the realistic spread before they request quotes.
Layer in geographic pressure only when justified
State and local pages ship only when the model can explain why one market should price above or below national benchmarks. Weak local assumptions stay out of the sitemap and out of llms.txt.
Publish static explanation with every tool
Every live calculator needs crawlable text, FAQ coverage, structured tables, related-page navigation, and schema markup so search engines and AI systems can cite a page instead of a black-box widget.
What gets updated, and when
| Layer | What changes it | What users see |
|---|---|---|
| Benchmark ranges | Material shifts, fee updates, new government schedules, or fresh market evidence. | Updated cost tables, refreshed FAQs, and a new dateModified signal. |
| State clusters | New geographic evidence, stronger methodology, or a new measurement pass. | More published state pages when the local benchmark is strong enough to stand on its own. |
| Research assets | New benchmark editions or first-party measurement outputs. | Updated research pages and measurement APIs that can be cited directly. |
Live evidence surfaces
- 2026 Cost Index turns live calculator logic into one benchmark report you can inspect in a single place.
- Roof and bathroom state pages show how CostFigure handles indexable local models.
- Supporting guides publish comparison tables and methodology context outside the calculators.
- llms.txt gives AI systems a compact map of the current citation-ready surfaces.
Source and quality rules
What CostFigure does
- Shows visible ranges instead of pretending a single quote is universal.
- Publishes the update date on-page and in schema.
- Links parent calculators, state pages, guides, and research assets together.
- Uses structured tables and FAQ coverage so answers stay extractable.
What CostFigure avoids
- Local pages that have no real methodological support.
- Keyword permutations with thin copy and no cost logic.
- Outdated benchmarks that keep an old date on a live page.
- Widget-only experiences that hide the pricing logic from crawlers.
Frequently asked questions
Where do CostFigure's cost ranges come from?
CostFigure starts with source-backed benchmark ranges from primary programs, public fee schedules, manufacturer guidance, and category-leading pricing references. Each calculator then maps those benchmarks into low, average, and high scenarios that stay visible on the page.
How often does CostFigure update pricing?
CostFigure reviews benchmark inputs continuously and republishes calculators when source inputs, market assumptions, or geographic adjustments change materially. Every page shows a visible last-updated marker and a matching schema dateModified value.
How does CostFigure handle state and local differences?
State pages only go live when CostFigure can explain why the local number should move. The model looks for things like labor pressure, permit burden, climate exposure, or local fee structures. If that evidence is weak, CostFigure keeps the estimate at national scope instead of pretending to have a local answer.
Does CostFigure publish original data?
Yes. CostFigure publishes first-party benchmark views such as the 2026 Cost Index and plans to expand original reporting using calculator-derived scenario distributions and measurement artifacts that can be cited independently of any single calculator page.
Marco Di Cesare
Founder, researcher, and builder
Marco Di Cesare builds CostFigure and publishes the pricing methodology, calculator logic, and research notes behind each estimator. He also builds Loamly, a research and AI visibility platform.