Find Your Place in Mercer County

Mercer County, Ohio Homes for Sale and Community Guide

Open skies, country roads, strong agricultural roots and welcoming small-town destinations: Mercer County has a character all its own. Explore real estate across Celina, Coldwater, Fort Recovery, St. Henry, Rockford and the surrounding countryside with Master Key Realty.

Small Towns and Wide-Open Spaces

On Ohio's western edge, Mercer County brings together downtown neighborhoods, rural homes, working farmland and communities near Grand Lake St. Marys. Celina is the county seat, while communities including Coldwater, St. Henry, Fort Recovery and Rockford each have their own local landmarks and traditions. The county's agricultural heritage remains an important part of its identity.

Open Mercer County Ohio farmland beneath an expansive blue sky
Wide-open farmland and skies in Mercer County.

Seasons and Local Traditions

From fields in summer to harvest-time scenery, the changing seasons are part of the county's landscape. Local fall activities, farm visits and seasonal events give residents and visitors reasons to explore beyond the main roads.

Visitors walking along a path through a tall corn maze in Mercer County Ohio
A fall day in a Mercer County corn maze.

Things to Do in Mercer County

Grand Lake St. Marys offers boating, fishing and lakeside recreation, while communities across the county host festivals, local markets and seasonal gatherings. The Mercer County Fair in Celina is a longstanding agricultural tradition, with exhibits, entertainment and community events. For current dates and schedules, visit the official Mercer County Fair website. You can also explore the Mercer County government website for community resources.

See photos from the fair and discover more family activities in our Local Attractions & Things to Do guide.

Finding a Home in Mercer County

Homes for sale here can range from in-town residences and newer construction to rural properties with more acreage. If you are comparing locations, consider commute routes, parcel size, utilities, property features and school district boundaries, which should be confirmed for each address.

Pink and orange sunset above rural Mercer County Ohio fields
Sunset over the Mercer County countryside.

Live Mercer County listings: The homes shown below use the MLS Mercer County filter for residential properties, condos and townhomes. Listings change as properties enter and leave the market.

Buy or Sell with Local Knowledge

Whether you're searching for a house in Celina, a property in Coldwater or a home with room to spread out, Master Key Realty can help you navigate Mercer County real estate. Browse the current listings below or contact our team to talk about buying or selling.

Explore More Local Communities

Celina homes and community guide | St. Marys homes and community guide | Grand Lake homes and community guide | Auglaize County homes and community guide | Local Attractions and Things to Do

Mercer County Homes for Sale

11164 Erastus Durbin Rd, Rockford
$1,230,000
5 Beds ⋅ 6 Baths ⋅ 1037039 MLS
STUNNING AND SECLUDED, this Tuscan/Mediterranean inspired villa is BREATHTAKING. Mature trees provide a lovely canopy as you drive on to the property, which consists of 17 acres of woods and a creek. Every detail of the floor plan is thoughtfully designed for family living and entertaining. The gourmet kitchen features a double oven, Five Star gourmet range, and pot filler with a beautiful cherry island. The cherry custom woodwork includes the beautiful wall of pocket doors to the family room, overlooking the in ground pool. The foyer is magnificent and opens in to the dining area and the family room. The separately constructed master suite features slate and granite in the master bath, and a shower beyond your imagination! The upstairs features another 4 bedrooms with 3 baths, one being a Jack and Jill plan. There is a 17' ceiling, surrounded by windows for natural light, in the upstairs family area. If you want to slip away, and read, just go to the tower, and relax as you overlook the property. The ICF construction begins at 16' at the foundation, with the reading tower being 12' to the top. The clay tile roof is reclaimed from Union Station in Chicago. Just as the sellers have enjoyed raising their family here, you can live your dream here! Don't miss this pristine property!

11164 Erastus Durbin Rd, Rockford
3449 Bunker Hill Rd, Celina
$899,900
4 Beds ⋅ 3 Baths ⋅ 1046593 MLS
Country home on 17 Acres | Completely Remodeled | Horse Facility | Endless Possibilities. Welcome to 3449 Bunker Hill Road, Celina, a rare opportunity to own a beautifully remodeled country estate offering luxury living, exceptional equestrian facilities, and endless possibilities on 17.069 acres. The inside was completely renovated from top to bottom and finished in 2026, roof and siding on house and arena 2019, this impressive home is truly move-in ready. Offering 3,310 square feet of beautifully updated living space plus an additional 500 square feet of finished basement, you'll enjoy the perfect combination of modern comfort and country charm. Outside, the property is a dream come true for horse enthusiasts, hobby farmers, and anyone seeking space to live, work, and play. The equestrian facilities include a riding arena, fenced pasture, and 18 horse stalls. A large multi-purpose building, 18,400 sq ft. provides ample space for riding, equipment storage, boat or RV storage, workshop use, or future customization to fit your needs. Additional features include: 17.069 scenic acres Completely remodeled home (finished in 2026) 3,310 sq. ft. above grade 500 sq. ft. finished basement 4 bedrooms 2.5 baths Cedar all season sunroom 2-car attached garage 18,400 ft building Riding arena Fenced pasture 18 horse stalls Large multi-use building for storage, workshop, recreational, or business use Whether you're looking for a premier horse property, a hobby farm, or simply a private country retreat with room to grow, this exceptional property offers a lifestyle that's hard to find and impossible to duplicate. Make your call today!

3449 Bunker Hill Rd, Celina
4978 Buschor Rd, Coldwater
$899,500
6 Beds ⋅ 5 Baths ⋅ 1047699 MLS
Welcome to 4978 Buschor Road, Coldwater--a rare opportunity to own a one-owner, custom-built home situated on a beautiful 3-acre corner lot in the Coldwater School District. Built in 1997, this spacious property features 6 bedrooms, 4.5 bathrooms, and an open-concept design highlighted by quality oak finishes and custom cabinetry throughout. Designed for comfort and versatility, the home offers two primary suites on the main level and handicap accessibility. The partially finished basement provides additional living and entertaining space with a wet bar, fireplace, and pool table area. Outside, enjoy the peaceful setting complete with a pond, outbuilding, and plenty of room to relax and explore. Located in a secluded country setting just minutes from town and near Grand Lake St. Marys, the property also borders a bike path that connects directly to Coldwater and the lake, offering the perfect blend of privacy, convenience, and recreation.

4978 Buschor Rd, Coldwater
718 E Wayne St, Celina
$800,000
7 Beds ⋅ 4 Baths ⋅ 1045378 MLS
Wait until you see this property with so much potential. You can live in the upstairs only or utilize the the entire space downstairs as living quarters. Upstairs are 4 bedrooms and 2 baths, and downstairs are 5 more rooms, entry, additional room and 1/2 bath. Tons of space, including the basement! The grounds include a 4 car garage with workshop and storage.

718 E Wayne St, Celina
5562 W Hidden Shores Dr, Celina
$749,000
6 Beds ⋅ 5 Baths ⋅ 1046470 MLS
6 Bedrooms & 4.5 Baths! Welcome to luxury lake living in one of Grand Lake's most exclusive gated communities. This spacious one-owner, custom-built home was thoughtfully designed with family, comfort, & quality craftsmanship in mind. Situated along a protected channel with its own boat slip & located just 550 feet from the open waters of the main lake. The maintenance-free exterior is complemented by a new roof installed in 2025 & an oversized three-bay heated garage, providing ample space for vehicles, boats, and recreational equipment. Enjoy your morning watching the sunrise over the channel from the stamped concrete patio. Then, end your day viewing the sunset from the covered front porch. Step through the elegant leaded glass front door with matching sidelights & you'll be welcomed by a spacious formal living room accented by 9-foot ceilings & an abundance of natural light. The thoughtfully designed floor plan opens into the well-appointed kitchen, featuring rich cherry cabinetry, & a comfortable family room that creates the perfect space for everyday living & entertaining. Just beyond, the beautiful vaulted sunroom offers panoramic views & serves as an inviting retreat for gatherings with family and friends throughout the year. Designed for flexibility and convenience, the home offers a first-floor primary suite as well as a second-floor owner's suite featuring a stunning double lighted tray ceiling. Other quality features include porcelain tile flooring with epoxy grout, dual water heaters, a reverse osmosis system, whole-house generator, & a new multi-zone HVAC system with central air installed in 2024. Residents of this private 18-home community enjoy access to a community boat ramp, while nearby walking & biking trails provide opportunities for outdoor recreation. If you've been searching for a meticulously maintained lake property with exceptional construction, modern amenities, and an unbeatable location, this remarkable home deserves your attention!

5562 W Hidden Shores Dr, Celina
5549 E Hidden Shores Dr, Celina
$710,000
4 Beds ⋅ 3 Baths ⋅ 1048871 MLS
Exceptional Custom-Built Channel-Front Home! Discover the perfect blend of luxury, privacy, and waterfront living in this beautiful home, situated at the end of a quiet cul-de-sac in the prestigious gated community of Hidden Shores on Grand Lake St. Marys. Nestled on the largest channel-front lot in Hidden Shores, this remarkable property offers a peaceful, private setting with picturesque wooded & water views and an impressive 181 feet of channel frontage. From the moment you enter, you'll appreciate the beautiful entryway with vaulted ceilings and a thoughtfully designed floor plan that offers both elegance, comfort & serene views. The home features 4 bedrooms & 3 full baths including a desirable first-floor primary master bedroom with private bath. A finished bonus room provides additional flexibility as a fifth bedroom, recreation room, or private retreat. The beautifully appointed kitchen showcases rich maple cabinetry, granite countertops, and a center island, making it ideal for everyday living and entertaining. A formal dining room, spacious living room, and inviting family room are complemented by a stunning see-through fireplace that creates warmth and ambiance between the living spaces. Outdoor living is equally impressive! The expansive concrete patio overlooking the channel is perfect for entertaining or simply relaxing by the water. A covered wrap-around porch offers space for a hot tub and peaceful place to unwind while enjoying the surrounding wooded landscape. Boating enthusiasts will appreciate the channel frontage, capped seawall, and private two-bay boat slip, providing convenient access to Grand Lake St. Marys. With its exceptional waterfront setting, generous living spaces, and rare combination of privacy and convenience, this one-of-a-kind Hidden Shores property offers an extraordinary opportunity to enjoy lake living at it living at it's finest! Showings start October 10th. Schedule your appointment!

5549 E Hidden Shores Dr, Celina
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