Roofing Cost and License Guide

Updated

Southern Illinois Post Frame Building Company

As of Oct 20, 2026, Southern Illinois Post Frame Building Company in Marion, IL holds an unlimited roofing license first issued Dec 30, 2024, with no disciplinary case in the IDFPR dataset.

Marion, IL 62959

Verified Oct 20, 2026 against IDFPR Professional Licensing (data.illinois.gov)

Southern Illinois Post Frame Building Company holds Illinois roofing contractor license 104020209 (unlimited (all property types)). IDFPR first issued it on 2024-12-30; it expires on 2027-12-31. The IDFPR dataset shows no disciplinary case for this license. IDFPR last updated this record on 2025-12-30; its license lookup shows any change since. IDFPR's dataset lists the business's city, ZIP code and county but no street address or phone.

Key facts

License scope Unlimited (all property types) IDFPR roofing license application (license types): “Limited Roofing License means a license made available to contractors whose roofing business is limited to residential roofing, including residential properties consisting of 8 units or less. Unlimited Roofing License means a license made available to contractors whose roofing business is unlimited in nature and includes roofing on residential, commercial and industrial properties.” source
Licensed for Under 5 years Years since IDFPR first issued the license. source
Discipline record No discipline on record Whether the IDFPR dataset shows any disciplinary case for the license (not a quality rating). source
License expires Dec 31, 2027 source
Discipline cases on record 0 source
License first issued Dec 30, 2024 source
License number 104020209 source
Doing business as S I Roofing & Siding source
County Williamson County source
Record last updated in the dataset Dec 30, 2025 source

In Williamson County, IL

31 licensed roofing contractors in the dataset are in Williamson County, IL; 5 have profiles on this site. Licensed roofing contractors in Williamson County, IL

License scope (all 31 in this group): Unlimited (all property types) (19) · Limited (residential, 8 units or fewer) (12)

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Something wrong or out of date? Suggest a correction. Source record ID 104020209.