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CityRuleLookup

Plain-English summaries of local U.S. ordinances: the city- and county-level

For agents: Plain-English summaries of U.S. city and county ordinances, with search, topic browsing, city rankings and CC BY 4.0 CSV data tables.

local ordinancescity lawscounty regulationszoning rulesopen data csv

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T14:31:11.629Z. Cached copy · Source on cityrulelookup.com

# CityRuleLookup

> Plain-English summaries of local U.S. ordinances: the city- and county-level
> rules governing noise, fires, parking, fences, short-term rentals, animals,
> building setbacks, and ~60 other topics. Each record is
> written from the jurisdiction's own municipal code and cites its source.

## What this dataset covers

Cities, counties, categories and topics below were counted on
2026-10-13 and include only those with at least one page.

- Cities: 947
- Counties: 510
- States: 51 (all, including DC)
- Unincorporated places mapped to a parent county: 5,596
- Topic categories: 60
- Topics (subcategories): 349

A record exists per (location x category x subcategory). Where a city has no
specific rule, the site falls back to the parent county, then the state: so a
page may describe a county or state rule that governs that city.

## Key pages

- [Homepage and search](https://cityrulelookup.com/): find any city, county, or ZIP
- [Search](https://cityrulelookup.com/search): free-text and citation lookup
- [Browse all topics](https://cityrulelookup.com/topics): every topic category, grouped by theme
- [City rankings](https://cityrulelookup.com/rankings): comparison lists of cities and counties, one per topic
- [Data tables](https://cityrulelookup.com/data): study tables built from the ordinance records,
  each with a CSV file, published under CC BY 4.0
- [Methodology](https://cityrulelookup.com/methodology): how rankings, restriction levels and
  data tables are made
- [Example ordinance page](https://cityrulelookup.com/noise/quiet-hours/los-angeles-ca): Los Angeles quiet hours
- [Example state-level page](https://cityrulelookup.com/states/california/accessory-structures/adu-rules): California ADU rules
- [Example city hub](https://cityrulelookup.com/mesa-az): Mesa, AZ overview
- [Example county hub](https://cityrulelookup.com/counties/maricopa-county-az): Maricopa County, AZ overview
- [Sitemap index](https://cityrulelookup.com/sitemap-index.xml): every indexable page, split by state
- [Per-state page index for agents](https://cityrulelookup.com/llms/california): one tab-separated
  line per ordinance page (place, topic, code citation, official source URL,
  page URL, last-verified date) at https://cityrulelookup.com/llms/{state-slug}, e.g.
  https://cityrulelookup.com/llms/texas. Use it to find the exact page to cite for a place and
  topic instead of guessing a URL.
- [Blog feed](https://cityrulelookup.com/feed.xml): RSS
- [Submit a correction](https://cityrulelookup.com/submit-correction): report an error on any page
- [Data licensing](https://cityrulelookup.com/api-access): commercial licensing by arrangement

## URL patterns

Construct these directly; slugs are lowercase and hyphenated, and city/county
slugs end in a two-letter state suffix (e.g. `mesa-az`, `ada-county-id`).

- Ordinance detail: https://cityrulelookup.com/{category}/{subcategory}/{city-or-county-slug}
- State-level rule: https://cityrulelookup.com/states/{state-slu
…

Related sites

Other listed sites in Government and public services. See the whole category →

Machine-readable: GET /v1/resolve?q=cityrulelookup.com · GET /v1/domain/cityrulelookup.com · this page as Accept: application/json or text/markdown · MCP lookup_domain

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