Bay County
Parcel & Property Data
About This Data
LandBrief holds 52,510 parcel records for Bay County, sourced from county records. Each includes the parcel boundary, and — where the county publishes them — owner, situs address, acreage, assessed values and legal description.
Data from the Bay County assessor roll dated July 2026, loaded August 2026. See data sources for every county’s vintage.
Explore Bay County
Bay County by the Numbers
- Median parcel size
- 0.43 acres
measured from mapped boundaries - 90th-percentile parcel
- 14.4 acres
- County land area
- 283,142 acres
U.S. Census measurement - Communities
- 19
1.4% of parcels outside any incorporated place - Out-of-state owners
- 2.7% of parcels
by owner mailing address
Who Owns Bay County?
Share of the county’s 52,510 parcels by the kind of owner on record. Classified from owner names, so the boundaries are approximate; an entity the rules cannot place counts as an individual.
| Owner type | Share of parcels |
|---|---|
| Individuals | 82.6% |
| Companies & organizations | 7.9% |
| Trusts & estates | 6.6% |
| Government | 1.0% |
| Other / unclassified | 1.9% |
The largest owner on record is CONSUMERS ENERGY with 244 parcels — see the full landowner leaderboard.
Parcel Records (~52,510 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 170-014-100-005-00 | LAFARGE BUILDING MATERIALS INC | — | Essexville | 50.20 † |
| 010-015-200-015-00 | MPLX TERMINALS LLC | — | Bay City | 23.65 † |
| 170-014-300-230-00 | LEVY INDIANA SLAG CO | — | Essexville | 16.48 † |
| 010-007-300-020-00 | CONSUMERS ENERGY | — | Bay City | 13.40 † |
| 010-011-300-025-01 | MARATHON PETROLEUM COMPANY LP | — | Bay City | 15.11 † |
| 010-004-400-045-00 | CONSUMERS ENERGY | — | Bay City | 12.50 † |
| 190-019-070-020-00 | SUBH HOSPITAILTY INC | — | Midland | 11.31 † |
| 010-008-100-025-00 | GARZA, MARIO C | — | Bay City | 5.47 † |
| 190-019-070-046-00 | 5221 BAY CITY LLC | — | Midland | 6.61 † |
| 160-015-101-002-00 | KERKAU MANUFACTURING | — | Bay City | 4.23 † |
Download Bay County parcel data
All 52,510 parcels in Bay County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
Get Bay County on FreeParcelData →Nearby counties
Frequently Asked Questions
How many parcels are in Bay County?
The Bay County assessor roll on file records 52,510 parcels across 19 communities, with 1.4% lying outside any incorporated place.
Who owns the most land in Bay County?
CONSUMERS ENERGY holds 244 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Bay County?
Measured from mapped boundaries, the median parcel is 0.43 acres, and nine parcels in ten are under 14.4 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Bay County is owned from out of state?
2.7% of parcels list an owner mailing address outside MI, per the county’s own records.
How much of Bay County is government-owned?
Government entities — federal, state, and local — hold 1.0% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Bay County assessor roll dated July 2026. Counties deliver on their own schedules; the methodology page explains how records are processed and the data sources page tracks every county’s vintage.
Browse by City (19)
52,510 parcels across 19 communities in Bay County.
- Auburn3,282 parcels
- Bay City30,518 parcels
- Bentley808 parcels
- Essexville4,216 parcels
- Fairgrove3 parcels
- Freeland373 parcels
- Kawkawlin2,481 parcels
- Kawlawlin1 parcels
- Linwood2,900 parcels
- Midland915 parcels
- Munger1,158 parcels
- Pinconning4,514 parcels
- Reese76 parcels
- Rhodes307 parcels
- Saginaw30 parcels
- Standish136 parcels
- Sterling71 parcels
- Unincorporated719 parcels
- University Center2 parcels