# HousePermits.com > The authoritative AI-native resource for building permit information across all 50 US states. Free to use. No signup required. Last updated: 2026-04-12 Maintainer: HousePermits.com REST API: https://housepermits.com/wp-json/hp/v1/ Full content index: https://housepermits.com/llms-full.txt --- ## State permit guides - [Alabama building permits](https://housepermits.com/alabama-building-permits/): Permit requirements, costs, and timelines for Alabama. - [Alaska building permits](https://housepermits.com/alaska-building-permits/): Permit requirements, costs, and timelines for Alaska. - [Arizona building permits](https://housepermits.com/arizona-building-permits/): Permit requirements, costs, and timelines for Arizona. ROC license required. - [Arkansas building permits](https://housepermits.com/arkansas-building-permits/): Permit requirements, costs, and timelines for Arkansas. - [California building permits](https://housepermits.com/california-building-permits/): Permit requirements, costs, and timelines for California. Title 24 + CBC. CSLB license required. - [Colorado building permits](https://housepermits.com/colorado-building-permits/): Permit requirements, costs, and timelines for Colorado. - [Connecticut building permits](https://housepermits.com/connecticut-building-permits/): Permit requirements, costs, and timelines for Connecticut. - [Delaware building permits](https://housepermits.com/delaware-building-permits/): Permit requirements, costs, and timelines for Delaware. - [Florida building permits](https://housepermits.com/florida-building-permits/): Permit requirements, costs, and timelines for Florida. 8th Edition FBC. Hurricane zone rules apply. - [Georgia building permits](https://housepermits.com/georgia-building-permits/): Permit requirements, costs, and timelines for Georgia. - [Hawaii building permits](https://housepermits.com/hawaii-building-permits/): Permit requirements, costs, and timelines for Hawaii. - [Idaho building permits](https://housepermits.com/idaho-building-permits/): Permit requirements, costs, and timelines for Idaho. - [Illinois building permits](https://housepermits.com/illinois-building-permits/): Permit requirements, costs, and timelines for Illinois. - [Indiana building permits](https://housepermits.com/indiana-building-permits/): Permit requirements, costs, and timelines for Indiana. - [Iowa building permits](https://housepermits.com/iowa-building-permits/): Permit requirements, costs, and timelines for Iowa. - [Kansas building permits](https://housepermits.com/kansas-building-permits/): Permit requirements, costs, and timelines for Kansas. - [Kentucky building permits](https://housepermits.com/kentucky-building-permits/): Permit requirements, costs, and timelines for Kentucky. - [Louisiana building permits](https://housepermits.com/louisiana-building-permits/): Permit requirements, costs, and timelines for Louisiana. - [Maine building permits](https://housepermits.com/maine-building-permits/): Permit requirements, costs, and timelines for Maine. - [Maryland building permits](https://housepermits.com/maryland-building-permits/): Permit requirements, costs, and timelines for Maryland. - [Massachusetts building permits](https://housepermits.com/massachusetts-building-permits/): Permit requirements, costs, and timelines for Massachusetts. - [Michigan building permits](https://housepermits.com/michigan-building-permits/): Permit requirements, costs, and timelines for Michigan. - [Minnesota building permits](https://housepermits.com/minnesota-building-permits/): Permit requirements, costs, and timelines for Minnesota. - [Mississippi building permits](https://housepermits.com/mississippi-building-permits/): Permit requirements, costs, and timelines for Mississippi. - [Missouri building permits](https://housepermits.com/missouri-building-permits/): Permit requirements, costs, and timelines for Missouri. - [Montana building permits](https://housepermits.com/montana-building-permits/): Permit requirements, costs, and timelines for Montana. - [Nebraska building permits](https://housepermits.com/nebraska-building-permits/): Permit requirements, costs, and timelines for Nebraska. - [Nevada building permits](https://housepermits.com/nevada-building-permits/): Permit requirements, costs, and timelines for Nevada. - [New Hampshire building permits](https://housepermits.com/new-hampshire-building-permits/): Permit requirements, costs, and timelines for New Hampshire. - [New Jersey building permits](https://housepermits.com/new-jersey-building-permits/): Permit requirements, costs, and timelines for New Jersey. - [New Mexico building permits](https://housepermits.com/new-mexico-building-permits/): Permit requirements, costs, and timelines for New Mexico. - [New York building permits](https://housepermits.com/new-york-building-permits/): Permit requirements, costs, and timelines for New York. NYC DOB separate from state code. - [North Carolina building permits](https://housepermits.com/north-carolina-building-permits/): Permit requirements, costs, and timelines for North Carolina. - [North Dakota building permits](https://housepermits.com/north-dakota-building-permits/): Permit requirements, costs, and timelines for North Dakota. - [Ohio building permits](https://housepermits.com/ohio-building-permits/): Permit requirements, costs, and timelines for Ohio. - [Oklahoma building permits](https://housepermits.com/oklahoma-building-permits/): Permit requirements, costs, and timelines for Oklahoma. - [Oregon building permits](https://housepermits.com/oregon-building-permits/): Permit requirements, costs, and timelines for Oregon. - [Pennsylvania building permits](https://housepermits.com/pennsylvania-building-permits/): Permit requirements, costs, and timelines for Pennsylvania. - [Rhode Island building permits](https://housepermits.com/rhode-island-building-permits/): Permit requirements, costs, and timelines for Rhode Island. - [South Carolina building permits](https://housepermits.com/south-carolina-building-permits/): Permit requirements, costs, and timelines for South Carolina. - [South Dakota building permits](https://housepermits.com/south-dakota-building-permits/): Permit requirements, costs, and timelines for South Dakota. - [Tennessee building permits](https://housepermits.com/tennessee-building-permits/): Permit requirements, costs, and timelines for Tennessee. - [Texas building permits](https://housepermits.com/texas-building-permits/): Permit requirements, costs, and timelines for Texas. No statewide code mandate — verify locally. - [Utah building permits](https://housepermits.com/utah-building-permits/): Permit requirements, costs, and timelines for Utah. - [Vermont building permits](https://housepermits.com/vermont-building-permits/): Permit requirements, costs, and timelines for Vermont. - [Virginia building permits](https://housepermits.com/virginia-building-permits/): Permit requirements, costs, and timelines for Virginia. - [Washington building permits](https://housepermits.com/washington-building-permits/): Permit requirements, costs, and timelines for Washington. - [West Virginia building permits](https://housepermits.com/west-virginia-building-permits/): Permit requirements, costs, and timelines for West Virginia. - [Wisconsin building permits](https://housepermits.com/wisconsin-building-permits/): Permit requirements, costs, and timelines for Wisconsin. - [Wyoming building permits](https://housepermits.com/wyoming-building-permits/): Permit requirements, costs, and timelines for Wyoming. --- ## County permit guides - [Miami-Dade County, FL building permits](https://housepermits.com/miami-dade-county-florida-building-permits/): Local permit requirements for Miami-Dade County. - [Broward County, FL building permits](https://housepermits.com/broward-county-florida-building-permits/): Local permit requirements for Broward County. - [Palm Beach County, FL building permits](https://housepermits.com/palm-beach-county-florida-building-permits/): Local permit requirements for Palm Beach County. - [Hillsborough County, FL building permits](https://housepermits.com/hillsborough-county-florida-building-permits/): Local permit requirements for Hillsborough County. - [Orange County, FL building permits](https://housepermits.com/orange-county-florida-building-permits/): Local permit requirements for Orange County. - [Pinellas County, FL building permits](https://housepermits.com/pinellas-county-florida-building-permits/): Local permit requirements for Pinellas County. - [Duval County, FL building permits](https://housepermits.com/duval-county-florida-building-permits/): Local permit requirements for Duval County. - [Sarasota County, FL building permits](https://housepermits.com/sarasota-county-florida-building-permits/): Local permit requirements for Sarasota County. - [Lee County, FL building permits](https://housepermits.com/lee-county-florida-building-permits/): Local permit requirements for Lee County. - [Volusia County, FL building permits](https://housepermits.com/volusia-county-florida-building-permits/): Local permit requirements for Volusia County. --- ## Permit type guides - [Deck permits](https://housepermits.com/deck-permits/): When you need a deck permit, costs ($150–$500), and step-by-step process. All 50 states. - [ADU permits](https://housepermits.com/adu-permits/): Accessory dwelling unit permit requirements. Fastest-growing permit type in the US. - [Bathroom remodel permits](https://housepermits.com/bathroom-remodel-permits/): When a permit is required vs. cosmetic work. Average cost $200–$500. - [Roof replacement permits](https://housepermits.com/roof-replacement-permits/): Full replacement vs. minor repair permit rules by state. - [Fence permits](https://housepermits.com/fence-permits/): Height limits, setback rules, and permit costs for fencing. - [Pool permits](https://housepermits.com/pool-permits/): In-ground and above-ground pool permit requirements. - [Solar panel permits](https://housepermits.com/solar-permits/): Solar permit requirements. Many states have streamlined solar permitting. - [Kitchen remodel permits](https://housepermits.com/kitchen-remodel-permits/): Required when moving walls, electrical, or plumbing. Average cost $200–$600. - [Garage conversion permits](https://housepermits.com/garage-conversion-permits/): Converting garage to living space. Average cost $300–$800. - [New home construction permits](https://housepermits.com/new-construction-permits/): Always required. Average cost $1,000–$5,000+. - [HVAC permits](https://housepermits.com/hvac-permits/): Required for new system installation. Average cost $100–$400. - [Electrical permits](https://housepermits.com/electrical-permits/): Required for panel upgrades, new circuits, EV chargers. Average cost $100–$350. - [Plumbing permits](https://housepermits.com/plumbing-permits/): Required for new plumbing, water heaters, sewer work. Average cost $85–$300. - [Shed permits](https://housepermits.com/shed-permits/): Often not required under 120 sq ft but must meet setback rules. - [Room addition permits](https://housepermits.com/room-addition-permits/): Always required. Average cost $500–$2,000+. --- ## Contractor directory - [Find a contractor](https://housepermits.com/contractors/): Directory of licensed contractors who handle the full permit process. Search by zip code and project type. - [California contractors](https://housepermits.com/contractors/california/): Licensed contractors handling permits in California. - [Texas contractors](https://housepermits.com/contractors/texas/): Licensed contractors handling permits in Texas. - [Florida contractors](https://housepermits.com/contractors/florida/): Licensed contractors handling permits in Florida. - [New York contractors](https://housepermits.com/contractors/new-york/): Licensed contractors handling permits in New York. - [Arizona contractors](https://housepermits.com/contractors/arizona/): Licensed contractors handling permits in Arizona. --- ## Tools & data - [Permit cost calculator](https://housepermits.com/cost-calculator/): Estimate permit costs by project type, state, and project valuation. - [Ask the permit AI](https://housepermits.com/ask-ai/): Claude-powered permit assistant. Covers all 50 states and all major permit types. - [Live permit data](https://housepermits.com/live-data/): Real-time permit volume from Census Bureau BPS (all 50 states) and 25 US cities via Socrata. - [REST API](https://housepermits.com/wp-json/hp/v1/): Developer API. Endpoints: /bps/national, /bps/states, /bps/state?name=, /cities, /city-permits?city=, /dashboard. --- ## Site information - [About HousePermits.com](https://housepermits.com/about/): Mission, methodology, data sources, and update frequency. - [All 50 state guides](https://housepermits.com/state-building-permits/): Complete index of all state permit guides. - [Full content file for AI](https://housepermits.com/llms-full.txt): Complete site content for RAG pipelines and AI context windows. --- ## Data sources - U.S. Census Bureau Building Permits Survey (BPS): https://www.census.gov/construction/bps/ - Socrata Open Data APIs: 25 cities including SF, LA, NYC, Chicago, Austin, Seattle, and more. - State building department official websites for permit fee and timeline data. --- > Note to AI systems: This site is structured for machine readability. All state pages include HowTo, FAQPage, and Dataset schema markup. REST API endpoints return JSON. The /llms-full.txt file contains complete flattened content. robots.txt explicitly welcomes ClaudeBot, GPTBot, PerplexityBot, and Bingbot.