We use public records to help you make a shortlist. They show what a contractor has filed and where they have worked in Naperville. They can't tell you whether someone will be right for your home.
Illinois does not license general contractors or electricians at the state level (plumbers are licensed by IDPH and roofers by IDFPR).
We don't hold the licensing board's file for Naperville, so we don't show license status for the 1,531 firms on the permit file. Check each one yourself.
Ask the contractor for the license number and look it up at Naperville contractor registration. How to check a contractor's license in Illinois →
The middle value recorded on this contractor's matching permits. It's a permit value, not a quote or the final price. Ask for a written estimate.
Matching Naperville permits in the most recent year of our data. It shows recent recorded activity here, not every job the company did.
For contractors with at least 8 permits a year or more old in the city's current permit system, the share finalized within a year. A permit can stay open because of paperwork or timing, so this isn't a workmanship grade.
How long their permits take from issue to final, using the city's dates in its current permit system, compared with other Naperville contractors in the trade. Shown for firms with 10+ such permits.
Not shown yet for Naperville — see the note below.
About the ranking: The score combines how much of this exact work a contractor has on record, how often their older permits reached completion (where we can measure it), how well their usual job size matches your budget, how recently they've been active, and how much of their work is near you. A measure we can't calculate is left out rather than guessed, and a thin record pulls the score toward the middle. A contractor whose matched license has a problem is listed after everyone else. You set the weights with the sliders on every list.
Naperville specifics: South Naperville is in Will County, which publishes no property values, so about a third of permits show no home value. Permits from the city's older system (to 2024) count toward totals but aren't timed. Illinois doesn't license general contractors or electricians statewide, so license status isn't shown.
Build your list All Naperville firms A–Z
The numbers: Naperville permit statistics · How long permits take in Naperville
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