20128 Gunpowder Road • Millers, MD 21102

$679,000 Beds: 4 • Baths: 3 full 1 partial • Sq. Feet: 2916 • MLS ID: MDBC2159896 • Subdivision: MILLERS • School Dist: BALTIMORE COUNTY PUBLIC SCHOOLS
Set on 3 scenic acres in the highly sought-after Hereford Zone, this exceptional property offers the perfect blend of comfort, space, and outdoor living. With over 3,000 square feet, the main level features beautiful hardwood floors and a warm, inviting family room with a wood-burning fireplace, seamlessly connected to the updated open kitchen. The kitchen boasts granite countertops, stainless steel appliances, a spacious pantry, and a sunny table area. The main level also includes a private dining room, a flexible living room ideal for a home office or study, a powder room, and a convenient laundry room. Upstairs, the primary suite offers a peaceful retreat with a full bath and walk-in closets, while three additional bedrooms share a well-appointed hall bath with a tub. The finished lower level expands your living space with a wet bar and wine fridge—perfect for entertaining—along with a gathering area, full bath with walk-in shower, workshop, and abundant storage, including a 12x15 climate-controlled room. A walk-out provides easy access to the side yard. Step outside and enjoy the impressive 22x40 patio with Techo-Bloc pavers, ideal for relaxing or hosting. The fully fenced backyard features oak board fencing with coated wire—perfect for pets—plus a separate fenced garden area complete with a greenhouse offering electricity and water access. Artists, hobbyists, or entrepreneurs will appreciate the detached 24x24 workshop with concrete floors, insulation, electric, and water. The expansive driveway offers ample parking and doubles as a space for basketball or pickleball. For outdoor lovers, the location is unmatched—walk directly across the street to access scenic trails leading to Prettyboy Reservoir. Enjoy hiking, trail running, dog walking, bird watching, fishing, boating, and more, right at your doorstep. This is more than a home, it’s a lifestyle you won’t want to leave. View this listing at: http://dougkarn.com/mls=MDBC2159896

Property Features

  • Garage: 2
  • Taxes: $5,631
  • Basement: Yes
  • Roof Type: Architectural Shingle,Asphalt,Shingle
  • Exterior: Brick,Vinyl Siding
  • Parking Notes: 5 Total Parking Spaces
  • Special View Info: Trees/Woods
  • Lot Size: 3.00 Acres
  • Lot Dimensions: 3.00 Acre(S)
  • Heating: Heat Pump(s)
  • Fuel Type: Electric
  • Cooling: Central A/C
  • Year Built: 1992
  • Fireplaces: 1
  • Water: Well
  • Sewer: Private Septic Tank
  • Stories: 2.0
  • Additional Structures: Above Grade,Below Grade
  • Fencing Description: Rear, Wood
  • Lot Description: Secluded, Rural, Landscaping, Cleared, Backs to Trees
  • Structure Type: Detached
  • Total Garage/Parking Spaces: 5
  • Parking Features: Asphalt Driveway
  • Appliances: Built-In Range,Dishwasher,Dryer,Freezer,Extra Refrigerator/Freezer,Oven/Range - Electric,Oven - Double,Refrigerator,Range Hood,Stainless Steel Appliances,Washer
  • Rooms: Living Room,Dining Room,Bedroom 2,Bedroom 3,Bedroom 4,Kitchen,Family Room,Breakfast Room,Bedroom 1,Laundry,Storage Room,Bathroom 1,Bathroom 2,Bonus Room,Full Bath,Half Bath
  • Basement: Daylight, Full,Fully Finished,Heated,Outside Entrance,Side Entrance,Sump Pump,Walkout Level,Windows
  • SQFT Total Finished: 2916
  • SQFT Above Finished: 2136
  • SQFT Below Finished: 780
  • Exterior: Extensive Hardscape,Exterior Lighting,Outbuilding(s)
  • Interior: Breakfast Area,Bar,Carpet,Ceiling Fan(s),Combination Kitchen/Dining,Combination Dining/Living,Crown Moldings,Dining Area,Floor Plan - Traditional,Pantry,Bathroom - Stall Shower,Bathroom - Tub Shower,Upgraded Countertops,Walk-in Closet(s),Wet/Dry Bar,Window Treatments,Wine Storage,Other
  • Fireplace: Wood
  • Flooring: Hardwood,Carpet,Ceramic Tile
  • Electric Description: 200+ Amp Service

School Information

  • High School: HEREFORD
  • Middle School: HEREFORD
  • Elementary School: PRETTYBOY
  • School District: BALTIMORE COUNTY PUBLIC SCHOOLS
Printed April 29, 2026


Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 04/29/2026. The listing information on this page last changed on 04/29/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Wed 04/29/2026 12:03:50 AM EST) or Bright MLS (last updated Tue 04/28/2026 11:48:14 PM EST). Real estate listings held by brokerage firms other than Berkshire Hathaway HomeServices Homesale Realty may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.
Privacy Policy / DMCA Notice / ADA Accessibility
Federal Housing Equal Opportunity Realtor
Corporate Office - 215 S Centerville Rd. Lancaster, PA 17603
James J Hafer - West Virginia Broker of Record

©2026 BHH Affiliates, LLC. An independently owned and operated franchisee of BHH Affiliates, LLC. Berkshire Hathaway HomeServices and the Berkshire Hathaway HomeServices symbol are registered service marks of Columbia Insurance Company, a Berkshire Hathaway affiliate. Equal Housing Opportunity.


Agent License Information: 
Licensed in Maryland, Pennsylvania, & West Virginia
Douglas Karn 

11949 Robinwood Drive #100, Hagerstown, MD 21742
301-745-1620