Harkin Construction is a trusted local business that provides top-notch service to homeowners in the Des Moines area. With over 28 years of experience in the industry, owner Mike Harkin is committed to providing reliable and thorough inspections.

Owner Operator | Mike Harkin | Time of Transfer Inspector
Onsite Time of Transfer DNR Certification | Operator ID #9450
Certified Installer Onsite Wastewater Treatment Systems | Level B, ID# 501135
Iowa On-Site Waste Water Association ID# 243

Iowa Time of Transfer Law

Iowa’s Time of Transfer (ToT) septic system inspection law requires that every home or building served by a septic system have that septic system inspected prior to the sale or deed transfer of the home or building. All inspections must be conducted by an inspector that has been certified by the Iowa DNR. The purpose of the law is to eliminate sub-standard or polluting septic systems.
Learn more on the Iowa DNR website.

Time of Transfer Process


Here are the answers to some common questions about Time of Transfer septic inspections.

An inspection is valid for two years and must be completed prior to the deed transfer.

The typical cost for a Time of Transfer inspection ranges from $800-$1000.

Typically the property buyer pays for a septic inspection prior to the sale.

There are some exemptions in the law for foreclosure, father to son family transfers, divorce settlements, and administration of an estate. For specifics, contact your attorney.

A person with the appropriate experience and training can become a Certified Time of Transfer Inspector. To ensure uniformity of inspections, inspectors must be certified through a DNR training program.

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Septic System Services

Great job. Mike was timely and professional. Would definitely recommend to others.

Jacob T., Des Moines, IA