To The
Genesee County Drain Commissioner
Surface Water Management
Genesee County Drain Commissioner
Surface Water Management


Dear Genesee County Property Owner,

Below is a basic explanation of the Drain Special Assessment process that pays for maintaining the storm drain systems in Genesee County under my jurisdiction.

A properly maintained drainage system is important to county residents and businesses for everything from crop production to keeping streets passable and minimizing flood damage. A routinely maintained system is more cost effective, avoiding the need for large, expensive drain projects often required to rebuild a system that has been neglected for years.

The Drain Special Assessment process begins with the Day of Review of Apportionments in which you as a property owner are invited to review the records of construction efforts and costs for providing your land with storm drainage, and to discuss your proposed share of those costs. This Day of Review also provides the opportunity for you to inform my staff and I of additional maintenance issues, helping us do a better job for you in the future.

If work was done that benefits your property, those costs are assessed on the winter property tax bill as a special assessment and are paid with your property taxes.Drain assessments may be assessed over multiple years to help spread out the cost.


Jeffrey Wright,
Genesee County Drain Commissioner

Assessment Information

2023 Assessment ListOpens a new window (winter taxes due 2024)

Frequently asked questions about the State of MI Treasury-Special Assessment DefermentOpens a new window

Reassessment Review

Drainage District Boundaries and Apportionments

Frequently asked questions about the Day of Review of Drainage District Boundaries and Apportionments - FAQOpens a new window

Frequently Asked Assessment Questions

1. What is A Drain Special Assessment?
A drainage district is the land area that benefits from the drain. The drainage district makes up the watershed that contributes water to the drain. Each property and municipality within the drainage district pays for maintenance and improvement of the drain.

2. What is a Drainage District?
A drainage district is a legally established area of land that drains to a common outlet. Drainage district boundaries are determined by natural topography of the land and rarely correspond to political boundaries such as townships or counties. Common words for drainage district include watershed and drainage basin.

3. Where Is The Storm Drain For Which I Am Being Assessed?
The Genesee County Drain Office has maps that can show the location of your property and the county drains within the drainage district. These documents will be available on the day of Review often on this website. Even if your property does not touch the county drain, storm water flows toward this county drain as an outlet regardless of the land s elevation.

4. How Are Assessments Determined?
The law requires that assessments be based on benefit derived as determined by the Drain Commissioner. All properties within the drainage district are assessed based on size of the parcel and the land use that is assigned by the municipality. Distances from the drain or the location of the property within the drainage district are not factors. Drainage is considered as an interdependent system with the entire system benefiting from maintenance of the common outlet.

5. Why Did I Receive More Than One Special Assessment Notice?
Each notice informs you of a Drain Special Assessment for a different drainage district. Your property can be in multiple drainage districts because stormwater moves from smaller watersheds through larger watersheds, ultimately discharging to the Great Lakes. For example, if your property were located in a small watershed that is nested inside a larger watershed, you would receive an assessment for each district, should they both be assessed in the same year.

6. Is This The Only Way I Would Receive Multiple Drain Assessments In One Year?
No. Water may flow off your property in more than one direction of different drains and drainage districts and all of those drains may be assessed in one year.

7. Do All Property Owners Pay Drain Assessments?
All property owners within a drainage district receive an assessment, unless specifically exempted by law. In addition, the Municipality, Genesee County, and the Michigan Department of Transportation (as appropriate) also receive an assessment for general health and welfare or benefit to the road. The Drain Code does not exempt most non-profit or religious properties from assessment.

8. I Recently Purchased My Property, Why Am I Being Billed For Work Done Prior To My Ownership?
Although the work for which you are being assessed may have been completed prior to your purchase of the land, the Drain Code requires that assessments be levied to the property, and assessed to the current owner of record. In most cases, the work performed will benefit the property for years to come.

9. What If I Cannot Attend The Day Of Review?
If you are unable to attend the Day of Review, and have questions regarding your assessment or the assessment process, please call the Genesee County Drain Office; 810-732-1590. It is possible to make an appointment at times other than the Day of Review, but disputes must be received before or at the day of review to be considered.

10. What Happens If I Disagree With the Proposed Assessment For My Property?
Appeal of Drain Special Assessments may be made to the Genesee County Probate Court within 10 days after the Day of Review.

11. I just received and Assessment Letter for my County Drain what does it mean?
Notice are sent when spending limits have been exceeded or if a change has occured in the percentages for the district.

12. I do not live where you did work.
All parcels within a district are assessed for work done. The district is made up of the properties that receive benefit by drain directly or indirectly to the drain.

13. How does this get paid?
Assessments are put on the winter tax bill. do not send payment.