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. Also see: David Olson, PermitCalculator
How Long to Get a Building Permit? (2026)
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 (2026): Fines + Fixes
Caught without a permit? The fine is usually double the permit fee. The real cost is the retroactive permit, the opened walls and the resale disclosure.
When Is a Building Permit Not Required? (2026)
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.
Permit to Replace a Water Heater? Yes, Usually
In most cities, yes, even for a like-for-like swap. See what each city charges, which ones exempt it, and why the permit covers the gas and venting.
Permit to Upgrade Electrical Panel? Always Yes
Yes, in every city we track. See what your city charges and why the inspection, not the permit fee, is the real cost of a panel upgrade.
Solar Panel Permit Cost (2026): What 48 Cities Charge
What 48 cities charge to permit the same home solar array, why the fee swings so widely, and why the permit is never what slows solar down.
EV Charger Permit Cost (2026): Fees by City
What a home EV charger permit costs in 47 cities, and why the panel, not the permit, decides what the install really costs.
Kitchen Remodel Permit Cost: 2026 Price Breakdown
What a kitchen remodel permit costs in 47 U.S. cities in 2026, why a bigger budget often adds nothing to the fee, and which kitchen work needs no permit.
Deck Permit Cost: 2026 Rules and Exemptions
What a deck permit costs in 45 U.S. cities in 2026, why the same deck is priced so differently, and the height and size rules that let you skip the permit.
How Much Does a Bathroom Remodel Permit Cost in 2026?
What a bathroom remodel permit costs in 48 cities, which fees stack into the total, and how long approval can take before your contractor starts.
HVAC Permit Cost (2026): Real Averages by City
What 44 cities charge to permit an HVAC replacement, where a like-for-like swap is exempt, and why the base fee is only the first number to check.
Roof Replacement Permit Cost (2026): Real Fees
A third of the cities we track need no permit for a like-for-like reroof. See what the rest charge and what to check before you quote a roof.
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.
Building Permit Fees By City In 2026
The same building permit swings by hundreds of dollars from city to city. See verified 2026 fees at two project sizes, and the permits the headline misses.
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.
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.