Methodology

Verified November 3, 2026.

Quick answer

How are Century House datasets built?

Century House datasets are compiled from public records, such as appraisal district rolls, city fee schedules and flood-control reports. Each dataset page names its sources, states its method and date range, notes known limits, and offers the full table as a CSV download. Datasets are refreshed yearly.

Sources

Datasets draw on public records published by appraisal districts, cities, counties, special districts and state agencies. Each dataset page lists the exact documents used and the date each was accessed.

Method

Figures are copied from the source as published, without adjustment, unless the dataset page says otherwise. Where a calculation is made, such as a combined tax rate, the dataset page shows how it was done.

Updates

Datasets are refreshed yearly, after new rates or figures are certified. Each dataset page shows the period it covers and when it was last updated.

Boundaries

Neighborhood and district boundaries differ between sources. Each entry names the boundary source it uses.

Limits and reuse

Public records contain errors, and figures can change after publication. Check the original source before relying on a figure for a financial or legal decision. Reuse terms are stated on each dataset page.

Frequently asked questions

Can I download the data?

Yes. Each dataset page offers the full table as a CSV file.

How current are the figures?

Each dataset page shows the period it covers and when it was last updated. Most are refreshed yearly.

What if I find an error in a dataset?

Use the Suggest a correction link on the dataset page, and include the record or source that shows the correct figure.

Sources

Found something out of date?Suggest a correction