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PermitBase

Every permit requirement, cited to the office that wrote it.

Fees, documents, timelines, and inspections for 552 cities across 8 states — free, and verified against official sources.

Or browse every jurisdiction in the record.

The PermitBase Index

Sum552 cities · 6,099 guides
Coverage & verification dates

A reference is only as good as its citations.

  1. Sourced

    Every fee, code, and timeline cites the publication of the jurisdiction that issued it.

  2. Verified

    Each jurisdiction shows the date it was last checked against the official source.

  3. Logged

    Every change to the record is written to a public changes log. Read the changes log

When a jurisdiction publishes no figure, the record says so — “not published, contact the department” — rather than inventing one.

8 states in the record

More are being indexed now.

The record runs deeper than guides

Building activity

How much is actually being built, by state and city — sourced from the U.S. Census Bureau.

Explore activity

For AI agents

JSON API & MCP server

Query the same cited record programmatically — the reference your agent can footnote.

Read the docs

Permit costs

Growth and residential permit costs, state by state.

Fee & Timeline Finder

Compare one fee or review timeline across cities.

Changes log

Every correction and update to the record, dated and public.

Run a contracting business?

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Wondering how your city compares?

Read the Mountain West Permit Cost Index

Prefer to see it on a map?

Explore the Permit Review Timeline Map

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One checklist per project, assembled from the record.

Every requirement above stays free, always. Now you can turn them into an AI-assembled compliance checklist — $29 per project, or unlimited projects with Pro ($49/mo).

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