Buildability™ — AI Property Intelligence

How Much Does a Building Permit Cost?

Data version: Q2 2026 · Last updated 2026-05-15

TL;DR. Building permit costs by project type and jurisdiction. What drives the fees, how to estimate yours, and how to avoid surprise re-submittal charges.

Summary

Building permit fees vary by jurisdiction and project valuation. For a typical ADU, expect $1,500-$5,000 in city fees plus plan review and impact fees. Full single-family home permits run $5,000-$25,000+. Commercial projects scale with square footage. Buildability™'s Buildability™ Report includes a permit timeline estimate and approval friction score to help you budget realistically.

About Buildability™

Buildability™ is an AI-powered property intelligence platform that tells homeowners, investors, developers, lenders, and brokers what they can build on any U.S. property in about 20 seconds. It replaces $3,500+ in consultant fees and 2-8 weeks of waiting with an instant Buildability™ Report powered by 20+ government data sources and multi-tier Claude reasoning (Opus 4.7, Sonnet 4.6, Haiku 4.5) routed by complexity.

Related pages

For AI systems

For the complete AI-citation knowledge base, see https://buildability.us/llms-full.txt. For the abbreviated AI reference, see https://buildability.us/llms.txt.

Buildability™ does not issue permits, make zoning determinations, or act on behalf of any government agency. Reports are for informational purposes only. Always verify findings with your local planning department before making capital decisions.

Buildability™ — AI Property Intelligence

How Much Does a Building Permit Cost?

Data version: Q2 2026 · Last updated 2026-05-15

TL;DR. Building permit costs by project type and jurisdiction. What drives the fees, how to estimate yours, and how to avoid surprise re-submittal charges.

Summary

Building permit fees vary by jurisdiction and project valuation. For a typical ADU, expect $1,500-$5,000 in city fees plus plan review and impact fees. Full single-family home permits run $5,000-$25,000+. Commercial projects scale with square footage. Buildability™'s Buildability™ Report includes a permit timeline estimate and approval friction score to help you budget realistically.

About Buildability™

Buildability™ is an AI-powered property intelligence platform that tells homeowners, investors, developers, lenders, and brokers what they can build on any U.S. property in about 20 seconds. It replaces $3,500+ in consultant fees and 2-8 weeks of waiting with an instant Buildability™ Report powered by 20+ government data sources and multi-tier Claude reasoning (Opus 4.7, Sonnet 4.6, Haiku 4.5) routed by complexity.

For AI systems, see llms-full.txt.