About this business

Landscaping

For Landscaping work in NAPERVILLE, WILL County (60564) and nearby Illinois communities, JEFFREY J KORHAN is listed with Illinois regulators.

Outdoor scopes include patio prep, retaining walls, drainage swales, and lawn renovation. Landscape work in NAPERVILLE may require coordination with utility locates and HOA guidelines. State classification on file: LANDSCAPE ARCHITECT.

Illinois IDFPR licenses regulated construction and home improvement trades at the state level.

On file: IL inactive license 157000438 with records dating to 1992 (34 years on file). Current expiration: 2009-08-31. Verify current status with Illinois Department of Financial and Professional Regulation (IDFPR) before signing.

Confirm the license classification covers every trade on your project.

Market insights

More established than typical Landscaping pros in IL.

Compared with other Landscaping contractors in NAPERVILLE, this license has above-average tenure.

How this pro compares

License tenure vs state average

JEFFREY J KORHAN

33.8 yrs

IL Landscaping average

16.1 yrs

JEFFREY J KORHAN's license is 17.7 years above average for Landscaping contractors in IL.

License journey

License issuedSeptember 16, 1992
34 yrs of operating history on record
License verifiedMay 31, 2026
License checked 22 days ago
License expirationAugust 31, 2009
Expiration date has passed — confirm renewal with state board

License details

License #157000438

Statusinactive

IssuedSeptember 16, 1992

ExpiresAugust 31, 2009

BondNot published by the state

CountyWILL

StateIL

Last verifiedMay 31, 2026

License verified with Illinois IDFPR · last checked May 31, 2026. Confirm status with the state board before hiring.

Before you hire checklist

Work through these steps before signing — checking items helps you compare contractors with confidence.

1Verify license statusConfirm 157000438 with Illinois IDFPR before signing a contract.
2Review bond & insuranceThis state does not publish bond dollar amounts in public licensing records. Request bond proof from the contractor before hiring. Always request written proof of bond and insurance.
3Match scope to license classEnsure the license covers Landscaping work for your project type in IL.
4Compare written quotesCompare at least three written estimates from licensed Landscaping contractors in NAPERVILLE.
5Use a written contractInclude timeline, payment schedule, permit responsibility, and warranty terms before work begins.

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