Mercer County, Ohio Homes for Sale
County seat: Celina · West Central Ohio
*Median asking price of the 6 active homes (single-family, condo, townhouse, manufactured and new construction) in Mercer County. Figures based on information from the WCAR MLS and MLS Now as of October 11, 2026.
About Mercer County real estate
Mercer County sits on Grand Lake St. Marys, Ohio's largest inland lake. Celina, the county seat, is the lake's primary city, and the county also includes Coldwater, Rockford, Mendon and a string of small towns.
Lakefront and lake-view properties, a historic downtown in Celina and a strong manufacturing economy make Mercer County a favorite for year-round residents and weekenders alike. For lake-specific guidance see our Grand Lake St. Marys page.
At a glance
- Celina — county seat and Grand Lake's primary city
- Grand Lake St. Marys, Ohio's largest inland lake
- Strong manufacturing economy
Communities
Communities in Mercer County
Active listings in each community right now. Select one for its full market page.
Newest listings in Mercer County
Active$129,0000 OH 219 St Rt 219
Celina, OH 45822
Listing courtesy of Lakeshore Realtors
Single Family Home · MLS #311142
Active$39,9005359 Karafit
Celina, OH 45822
Listing courtesy of Master Key Realty
Manufactured · MLS #310947
Active$899,5004978 Buschor
Coldwater, OH 45828
Listing courtesy of Superior Plus Realtors
Single Family Home · MLS #310509
Active$800,000Address withheld by seller
Celina, OH 45822
Listing courtesy of Master Key Realty
Single Family Home · MLS #310128
Active$800,000Address withheld by seller
Celina, OH 45822
Listing courtesy of Master Key Realty
Commercial · MLS #310127
Active$1,950,000202 Main
Celina, OH 45822
Listing courtesy of Master Key Realty
Commercial · MLS #308867
Active$1,230,00011164 Erastus Durbin
Rockford, OH 45882
Listing courtesy of Master Key Realty
Single Family Home · MLS #306327
Active$105,0000 Main
Rockford, OH 45882
Listing courtesy of Master Key Realty
Commercial · MLS #305895
Active$249,000311 Main
Celina, OH 45822
Listing courtesy of Master Key Realty
Single Family Home · MLS #305488
Market snapshot
Mercer County housing market at a glance
What is for sale today by property type and price.
By property type
- Single Family Homes5
- Commercial Properties3
- Manufactured Homes1
By price
- Homes Under $150K3
- Homes $150K – $250K1
- Homes $400K+5
Counts and prices are asking prices for active for-sale listings, based on information from the WCAR MLS and MLS Now as of October 11, 2026.
Recently sold
Recently sold homes in Mercer County
Homes that recently closed in the busiest communities here.
Closed$344,000156 Main
Rockford, OH 45882
Listing courtesy of Master Key Realty
Single Family Home · MLS #308670
Closed$215,000Address withheld by seller
Rockford, OH 45882
Listing courtesy of Bee Gee Realty & Auction Company
Single Family Home · MLS #311274
Closed$249,000620 Mill
Celina, OH 45822
Listing courtesy of Non-member Office
Single Family Home · MLS #311693
Closed$179,900322 Ash
Celina, OH 45822
Listing courtesy of Master Key Realty
Single Family Home · MLS #311350
Closed$230,000245 Fairlawn
Celina, OH 45822
Listing courtesy of Cowan, Realtors
Single Family Home · MLS #311080
Closed$420,0002905 York
Celina, OH 45822
Listing courtesy of Bee Gee Realty & Auction Company
Single Family Home · MLS #311272
Mercer County real estate FAQ
How many homes are for sale in Mercer County, Ohio?
As of October 11, 2026, there are 9 active listings across 3 communities in Mercer County. The most are in Celina (6), Rockford (2), and Coldwater (1). The list is refreshed daily from the MLS.
What is the median asking price in Mercer County?
The median asking price of the 6 active homes in Mercer County is $524,500, and the middle half are priced between $159,000 and $874,625. Those are asking prices, not sale prices.
What is the county seat of Mercer County, Ohio?
Celina is the county seat of Mercer County, Ohio.
How do I tour a home in Mercer County?
Call or text (419) 302-3940 or send a message through our contact page. The LV5 Real Estate Team at Hartsock Realty can set up showings anywhere in Mercer County and send you new listings as they come on the market.
More ways to explore
Other areas
Buying or selling in Mercer County?
Talk to a local agent who knows Mercer County well. We respond to every inquiry — usually within the hour.