Tips & Guides
Permit tips and cost guides
Tips on permits, fees, and what city building departments actually charge. Written by the team that compiled the data behind this site.
How Long Does It Take to Get a Building Permit? The Path Decides
Same-day at the counter or weeks in plan review, and your project's size barely matters. What actually sets the wait, and how to get on the faster path.
Building Permit Violation: The Fine Is the Cheap Part
Caught without a permit? The fine is usually double the permit fee. The real cost is the retroactive permit, the opened-up walls, and the resale disclosure.
When Is a Building Permit Not Required? It's Category, Not Cost
Painting, flooring, and cabinets skip a permit almost everywhere; a small structural change doesn't. See what's exempt by category, and where size limits trip people up.
Do I Need a Permit to Replace a Water Heater? Yes, in Most Cities
Yes, in 27 of the 29 cities we track, even a like-for-like swap, from $25 to $201. The permit covers the gas, venting, and relief valve, not the tank.
Do I Need a Permit to Upgrade My Electrical Panel? Yes, in Every City
Yes, and all 29 cities we track require it, from $43 to $371. See your city's fee and why the permit is the cheap part of a panel upgrade.
Solar Panel Permit Cost
EV Charger Permit Cost in 2026: The Permit is the Cheap Part
A home EV charger permit runs $35 to $246 across 29 cities. See your city's fee and why the panel, not the permit, is the real cost.
Kitchen Remodel Permit Cost in 2026: Where Doubling the Budget Adds $0
A $25,000 kitchen permits for under $160 in Kansas City and over $2,100 in Seattle. See your city's trade-permit stack and what never needs a permit.
Deck Permit Cost in 2026: The Same Deck Runs $79 to $1,811
The same $12,000 deck permits for $79 in Philadelphia and $1,811 in San Diego. See what your city charges, what sets the fee, and when it drops to zero.
How Much Does a Bathroom Remodel Permit Cost in 2026?
The average bathroom remodel permit cost is $535 in 2026. See how city, project valuation and fees affect your total based on analysis of 29 cities.
HVAC Permit Cost (2026): Real Averages by City
HVAC permit cost averages $139 in 2026, median $116 across 29 verified cities. See which jobs need a permit and why like-for-like replacements aren't exempt.
Roof Replacement Permit Cost (2026): Real Fees
Roof replacement permit cost averages $226 nationally, median $163. This report details actual prices in major cities and hidden costs from local permit rules.
Fast Track Building Permit: 2026 Costs
Fast track building permit can save months on home projects. See what expediting really costs in 2026, plus timelines and what can go wrong.
How to Get Electrical Permit Online: 2026 Costs, Timelines
Learn how to get electrical permit online with 2026 costs, timelines and requirements. Get exact rules for jobs needing permits like circuits, panels and HVAC.
Building Permit FAQ (2026): Fees, Timelines, Rules
Building permit FAQ for 2026: what permits cost, how long approval takes, which projects need one, and fees for kitchens, baths, and decks by city.
Why Check Building Permit Status Before Starting Work
You should check building permit status before starting work. This reveals where your application sits and prevents costly surprises later on your project.
How Much Does a Building Permit Cost? 2026 City Fees
What a building permit really costs in 2026, with verified fees from 14 major US cities, the factors that drive the price, and which projects are exempt.
Building Permit Fees By City In 2026
Building permit fees vary widely by city in 2026: about $370 in Austin, $602 in Chicago, over $1,400 in Seattle. Verified schedules for 29 US cities.