What documents must applicants include?

Master applicants must submit current State OCILB certification. Sewer-tapper applicants must submit current insurance with at least $500,000 contractor liability coverage and a letter confirming at least two years of sewer-related experience.

How do I submit the Contractor Registration Application?

Email the application and all required documents to building@hamilton-oh.gov. The form lists a $200 fee for each registration and says fees are non-refundable.

Do I need a notary for the Contractor Registration Application?

No. The applicant signs and dates the form; it does not require notarization. Attach the supporting documents required for your registration type.

Hamilton, OH · Butler County

No notary required

Contractor Registration Application (2026)

Contractors use this application to register with the City of Hamilton Building Department as a master or sewer-tapper contractor.

What this form is

The City of Hamilton Building Department uses this application to register master and sewer-tapper contractors. Applicants select a registration type and trade, provide contact and company information, and sign and date the form. Master applicants must submit current State OCILB certification; sewer-tapper applicants must submit a current certificate of insurance and a letter confirming at least two years of sewer-related experience. Each registration has a $200 non-refundable fee.

Who needs it

Contractors applying for master or sewer-tapper registration with the City of Hamilton Building Department need to complete this application.

How to submit it

Email the application and all required documents to [email protected]. The form lists a $200 fee for each registration and states that all registration fees are non-refundable.

About notarization

This application is signed and dated without a notary; master applicants attach current State OCILB certification, while sewer-tapper applicants attach insurance and an experience letter.

How to submit this form

1
Download The Application
Download the 2026 Contractor Registration Application.
2
Complete The Form
Select a registration type and trade, provide applicant and company details, and sign and date the application.
3
Gather Required Documents
Master applicants need current State OCILB certification. Sewer-tapper applicants need current insurance and a letter confirming at least two years of sewer-related experience.
4
Email The Application
Email the application and all required documents to [email protected].

Frequently asked questions

Who uses the Contractor Registration Application?: Contractors applying for master or sewer-tapper registration with the City of Hamilton Building Department use this application.
What documents must applicants include?: Master applicants must submit current State OCILB certification. Sewer-tapper applicants must submit current insurance with at least $500,000 contractor liability coverage and a letter confirming at least two years of sewer-related experience.
How do I submit the Contractor Registration Application?: Email the application and all required documents to [email protected]. The form lists a $200 fee for each registration and says fees are non-refundable.
Do I need a notary for the Contractor Registration Application?: No. The applicant signs and dates the form; it does not require notarization. Attach the supporting documents required for your registration type.

Need something notarized?

This Contractor Registration Application (2026) doesn’t need a notary — but if you have another Hamilton form that does, a commissioned online notary can help.