City of Mason City
Mason County, Illinois
Last verified September 17, 2026
City of Mason City is a jurisdiction in Mason County, Illinois, which does not currently list an online permit database — contact the department directly by phone or email. Use the contact information below to reach the local building department, or the mailing address if the jurisdiction needs to be listed as a certificate holder on a contractor's insurance documentation.
Contact
- Phone
- 217-482-3669
- Department Site
- City Hall / Permits (opens in a new tab)
Permit Search
No online permit database on file — contact the department directly by phone or email.
Certificate Holder Mailing Address
City of Mason City145 South Main Street
Mason City, IL 62664
Use this address when the jurisdiction needs to be listed as a certificate holder on a contractor's insurance documentation.
Additional Notes
Confirmed via the city's official site (masoncityil.com). No separate 'Building Department' exists; permits (the page lists Peddler's, Zoning Administrator, and Golf Cart permits as downloadable examples) are handled directly through City Hall. No email or online portal found on the official site. Note: Mason County also runs its own county Building Department (masoncounty.net) for unincorporated areas, which is a separate office and not applicable within incorporated Mason City.
What You Need Before Applying for a Permit
Most building departments ask for the same core package before they'll issue a permit: a completed application naming the property owner and contractor, the contractor's state license number and proof of insurance (general liability, and workers' comp if employees are on the job), a notice of commencement or equivalent recorded filing for larger jobs where the state requires one, and scaled plans or a site plan for anything beyond minor repairs. Roofing, fence, pool, and solar permits typically have their own simplified checklists — City of Mason City's department (above) can confirm exactly what applies to your project.
Why this matters for insurance: permit history is one of the first things an underwriter or adjuster checks. Unpermitted work — a finished basement, an added bedroom, a rebuilt roof — can complicate a claim or even void coverage for that portion of the loss, and it routinely surfaces during a home inspection. Pulling the right permit up front, and keeping the closed-permit record on file, protects both the property's value and its insurability at resale.
More in Mason County
See Mason County property and court records →
Other building permit jurisdictions in Mason County: