3909 Koop Road

St. Marys, OH 45885

$720,000
Price
4
Beds
2,526 Sq. Ft.
$285 / Sq. Ft.
2,526
Sq. Ft.
$285
per Sq. Ft.
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Description

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...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).

Property Details for 3909 Koop Road

Architectural Style
Ranch
Waterfront Features
Pond
Has Waterfront
Yes
Zoning Description
Residential
LISTING UPDATED: 06/08/2026 10:17 AM

Property Details for 3909 Koop Road

StatusActive
MLS #1044460
Days on Market107
Taxes$6,102 / year
HOA Fees-
Condo/Co-op Fees-
Property TypeSingle Family
MLS TypeResidential / Single Family Residence
Year Built2003
Lot Size7.88 AC / 343,252 SF
CountyAuglaize County
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Location

Listing Courtesy of Scott Ross Realty
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Building Information for 3909 Koop Road

Stories-Year Built2003Building Size-Lot Size7.88 AC / 343,252 SF

Payment Calculator

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$4,096 per month

30 year fixed, 6.36% Interest

Principal and Interest

$3,588

Property Taxes

$509

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

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Property Information for 3909 Koop Road

Summary
Location and General Information
  • Directions: 66 to Koop Rd.
  • High School District: 0604 St. Marys CSD
  • MLS Area Major: 804 St. Marys
  • MLS Area Minor: 804 St. Marys
  • Township: St. Marys
Taxes and HOA
  • Has Association: No
  • Parcel Number: K3101500303
  • Parcel ID: K31-015-003-03
  • Semi Annual Tax: $3,051.00
  • Tax Year: 2025
Parking
  • Has Attached Garage: Yes
  • Garage Spaces: 2.0
  • Has Garage: Yes
  • Parking Features: Attached, Garage Door Opener
Virtual Tour
Property
Lot Information
  • Building Area Total: 2526.0
  • Lot Features: Residential Lot
  • Lot Size Acres: 7.88
  • Lot Size Area: 7.88
  • Lot Size Dimensions: 7.88 acres
  • Lot Size Square Feet: 343252.8
  • Lot Size Units: Acres
Property and Assessments
  • Construction Materials: Brick
  • Auction: No
  • Manufactured Home: No
  • SpecialSpecial Features: Bath 1st Floor, Bed 1st Floor
  • Water Source: Well
  • Year Built: 2003
Building Features
  • Levels: One
  • Other Structures: Barn(s)
  • Structure Type: House
Taxes and HOA
  • Condo Lot: No
Utilities
  • Sewer: Septic Tank
  • Utilities: Propane
Interior and Exterior Features
Interior Features
  • Appliances: Dishwasher, Range, Refrigerator
  • Basement: Full, Poured
  • Bathrooms Full: 2
  • Bathrooms Half: 2
  • Bathrooms Total Decimal: 3.0
  • Bathrooms Total Integer: 4
  • Bedrooms Total: 4
  • Cooling: Central Air
  • Has Cooling: Yes
  • Fireplace Features: Decorative, Gas, Inoperable
  • Has Fireplace: Yes
  • Flooring: Carpet, Laminate
  • Heating: Forced Air, Propane
  • Has Heating: Yes
  • Interior Features: Ceiling Fan(s), Walk-In Closet(s)
  • Security Features: Security System
Exterior Features
  • Patio And Porch Features: Porch
Rental
Rent Information
  • Occupant Type: Owner

Property History for 3909 Koop Road

DateEvent & SourcePriceAppreciation
Jun 8, 2026

Price Change

Western Regional Information Systems & Technology #1044460

$720,000—
Mar 23, 2026

Listed (Active)

Western Regional Information Systems & Technology #1044460

$750,000—
DateEvent & SourcePrice
06/08/2026

Price Change

Western Regional Information Systems & Technology #1044460

$720,000
03/23/2026

Listed (Active)

Western Regional Information Systems & Technology #1044460

$750,000

For completeness, we often displays two records for one sale: the MLS record and the public record.

Public Records for 3909 Koop Road

Taxable ValueLand$23,670Additions$138,510Total$162,180
Tax Record2023$6,074 ($506 / month)
Home Facts
Beds4Baths2.5Total Finished SqFt2,526 SqFtAbove Grade Finished SqFt2,526 SqFtStories1Lot Size343,122 SqFtStyleSingle Family ResidenceYear Built2003CountyAUGLAIZEAPNK31-015-003-03Fireplace TypeHas Fireplace

Schools near 3909 Koop Road

This home is within St Marys City School District.
Rating
School
Type
Grades
Distance
St. Marys Primary School
Public - K to 2
St Marys Intermediate School
Public - 3 to 5
St. Marys Middle School
Public - 6 to 8
St Marys Memorial High School
Public - 9 to 12
Rating
School
Distance
St. Marys Primary School
PublicK to 2

St Marys Intermediate School
Public3 to 5

St. Marys Middle School
Public6 to 8

St Marys Memorial High School
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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More information about 3909 Koop Road, St. Marys, OH 45885

3909 Koop Road is a single family home for sale in St. Marys, OH 45885. This property was listed for sale on March 23, 2026 by Scott Ross Realty, it's currently listed at $720,000. This listing's school district is St Marys City School District. Nearby schools include St. Marys Primary School, St Marys Intermediate School and St. Marys Middle School. 3909 Koop Road is a 4-bed, 4-bath, 2,526 sqft single family home built in 2003.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the seller's discretion. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties make no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Listing Courtesy of Scott Ross Realty

IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.