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David Olson
Creator of the Cost Index & Permit Dataset
Built permit fee database from primary municipal sourcesBackground in data engineering, ML, and statistical validation
Built this dataset by individually researching published municipal fee schedules, city by city. Every fee links to its source document.
Published Articles (18)
Why Check Building Permit Status Before Starting Work
· check building permit status
Fast Track Building Permit: 2026 Costs
Mar 27, 2026 · fast track building permit
Solar Panel Permit Cost
Jun 12, 2026 · solar panel permit cost
Do I Need a Permit to Upgrade My Electrical Panel? Yes, in Every City
Jun 14, 2026 · do i need a permit to upgrade my electrical panel
HVAC Permit Cost (2026): Real Averages by City
Mar 29, 2026 · HVAC permit cost
How to Get Electrical Permit Online: 2026 Costs, Timelines
Mar 26, 2026 · get electrical permit online
Deck Permit Cost in 2026: The Same Deck Runs $79 to $1,811
Jun 12, 2026 · deck permit cost
Building Permit Fees By City In 2026
· building permit fees by city
Do I Need a Permit to Replace a Water Heater? Yes, in Most Cities
Jun 14, 2026 · do i need a permit to replace a water heater
How Long Does It Take to Get a Building Permit? The Path Decides
Jun 14, 2026 · how long does it take to get a building permit
EV Charger Permit Cost in 2026: The Permit is the Cheap Part
Jun 12, 2026 · ev charger permit cost
Kitchen Remodel Permit Cost in 2026: Where Doubling the Budget Adds $0
Jun 12, 2026 · kitchen remodel permit cost
Roof Replacement Permit Cost (2026): Real Fees
Mar 28, 2026 · roof replacement permit cost
How Much Does a Bathroom Remodel Permit Cost in 2026?
Mar 30, 2026 · bathroom remodel permit cost
Building Permit Violation: The Fine Is the Cheap Part
Jun 14, 2026 · building permit violation
How Much Does a Building Permit Cost? 2026 City Fees
· how much does a permit cost
When Is a Building Permit Not Required? It's Category, Not Cost
Jun 14, 2026 · when is a building permit not required
Building Permit FAQ (2026): Fees, Timelines, Rules
Mar 18, 2026 · frequently asked questions about building permits