The Trades List / Guides
Practical guides
Every number in these guides comes from a dated source, cited at the bottom of the page.
Lead Service Line Replacement in Chicago (2026) How to check if your Chicago home has a lead service line, which city programs replace it for free, what it costs on your own, and how to test your water. 
Chicago Roof Replacement Cost (2026): Flat vs. Pitched 2026 roof replacement prices in Chicago by material, the city's cool roof and permit rules, the best season to reroof, and how to compare roofer bids. 
How to Check a Contractor's License in Chicago Chicago plumbers, electricians and roofers are licensed by three different authorities. Where to look each one up, and Illinois contract rules. 
Electrician Cost in Chicago (2026): Rates and Common Jobs Hourly rates, service calls, outlets, panels, rewiring and EV chargers in Chicago, source by source, and the code rule that raises local costs.