




3909 Koop Rd, Saint Marys, OH, 45885
About This Home
Welcome to your our own personal sanctuary nestled on 8 meticulously cared-for acres in St. Marys. This exquisite 4-bedroom, 2 full and 2 half-bath residence boasts over 2,500 square feet of inviting living space, seamlessly blending modern functionality with the serenity of country living. As you arrive at this remarkable property, you'll be embraced by a warm and inviting atmosphere. Step inside to discover generously proportioned living areas bathed in natural light, highlighted by custom oak cabinetry and solid oak doors that add timeless warmth and craftsmanship throughout the home. The thoughtfully designed layout includes a convenient main-floor laundry, making everyday living both practical and efficient. The spacious full basement presents endless possibilities, a home gym, a media room, or additional storage ideal for all your needs. This home effortlessly accommodates both everyday living and entertaining guests, ensuring every gathering is memorable. Venture outside to experience the true essence of this property, a tranquil landscape featuring a serene pond that reflects the beauty of nature, expansive open green spaces perfect for leisure activities, and a mature orchard, offering both beauty and the opportunity to enjoy your own homegrown fruit. The barn offers more than just storage or workspace it features a dedicated man cave retreat, perfect for relaxing, entertaining, or enjoying your favorite hobbies. The barn is also equipped with generator-ready wiring capable of powering the home as an additional backup, and an overhead door on a garage door opener for added convenience. Picture yourself savoring quiet mornings by the water, with the gentle sounds of nature surrounding you, or hosting gatherings in this enchanting setting. Recent mechanical updates include a new HVAC system and whole-house generator (both less than 6 months old), a water heater replaced about 2 years ago, and professionally cleaned.
Getting Around
Schools
Construction
Condition
- Year built: 2003
Materials
- Construction materials: Brick
Type & Style
- Home type: SingleFamily
- Architectural style: Ranch
- Property subType: Single Family Residence
Interior
Appliances
- Appliances included: Dishwasher,Range,Refrigerator
Basement
- Has basement: Yes
- Basement: Full,Concrete
Bedrooms & Bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 2
- 1/2 bathrooms: 2
Features
- Walk-In Closet(s),Ceiling Fan(s)
- Flooring: Carpet,Laminate
- Fireplace features: Decorative,Gas,Inoperable
- Fireplace: Yes
Heating & Cooling
- Heating features: Forced Air,Propane
- Cooling features: Central Air
Interior Area
- Total structure area: 2,526
- Total interior livable area: 2,526 sqft
Property
Details
- Parcel number: K3101500303
- Zoning description: Residential
Features
- Levels: One
- Stories: 1
- Patio & porch: Porch
- On waterfront: Yes
- Waterfront features: Pond
Lot
- Lot size: 7.88 Acres
- Features: Residential Lot
- Lot size dimensions: 7.88 acres
Parking
- Total spaces: 2
- Parking features: Garage Door Opener
- Attached garage spaces: 2
- Covered spaces: 2
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Cold Wave
- Hail
- Inland Flooding
- Ice Storm
- Lightning
- Strong Wind
- Tornado
- Winter Weather
How This Home’s Risks Compare
FEMA Declared Disasters Across Ohio Counties
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $3,514 | $42,168 |
| Home Insurance * | $415 | $4,980 |
| Property Taxes | $544 | $6,528 |
| Electricity | $270 | $3,250 |
| Total | $4,743 | $56,916 |
Income You'd Need if You Spent...
Ohio FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
Price History
| Date | Event | Price |
|---|---|---|
| 2026-05-12 | Price change | $740,000 |
| 2026-03-23 | Listed for sale | $750,000 |
| 2002-10-07 | Sold | $44,000 |
