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21 Keystone Drive
Gaithersburg, MD 20878

$900,000 - Status: ACTIVE

Beds: 5

Baths: 4 full 1 partial

SQFT: 2,930

MLS# MDMC2258154

Welcome to this beautifully updated Gaithersburg home, ideally located near Seneca Creek State Park and Clopper Lake, Rio, and Downtown Crown, with convenient access to shopping, dining, recreation, and major commuter routes. Extensive improvements completed in 2019 include replacement of the plumbing, electrical updates, a new HVAC system, driveway, roof with new plywood and shingles, and exterior walls upgraded with new plywood, siding, and trim. All bathrooms were fully renovated in 2019. Gas line was installed in 2019 that connects water heater, stove and back yard grill. The outdoor spaces are designed for everyday enjoyment, featuring backyard stonework and a porch completed in 2019. A storage structure was added in 2022, along with artificial turf and fencing. The basement offers additional possibilities, with rough ins behind the wall for a future wet bar and laundry area. The water heater will be replaced. A move-in-ready home with significant updates in a prime Gaithersburg location!

Property Features

MLS#: MDMC2258154

Zip: 20878

Subdivision: West Riding

Development: Gaithersburg

Property Type: Residential - Single Family

Basement: Yes

Basement: Connecting Stairway, Fully Finished, Improved, Interior Access, Sump Pump

Days on Site: 1

Fireplaces: 1

Fuel Type: Natural Gas

Garage: 1

Heating: Central

Home Style: Colonial

Lot Size: 0.22 acres

Roof Type: Architectural Shingle

Stories: 3.0

Taxes: $8,916

Year Built: 1974

Feature Descriptions

Additional Structures: Above Grade, Below Grade

Appliances: Built-In Microwave, Dishwasher, Disposal

Exterior: Frame

Exterior: Play Area, Play Equipment, BBQ Grill

Flooring: Hardwood

Interior: Floor Plan - Traditional

Lot Dimensions: 0.22 Acre(S)

Parking Features: Asphalt Driveway

Parking Notes: 5 Total Parking Spaces

Sewer: Public Sewer

SQFT Above Finished: 2230

SQFT Below Finished: 700

SQFT Total Finished: 2930

Structure Type: Detached

Total Garage/Parking Spaces: 5

Water: Public

Local Schools

School District: MONTGOMERY COUNTY PUBLIC SCHOOLS

21 Keystone Drive | MLS# MDMC2258154

This single family home located at 21 Keystone Drive, Gaithersburg, MD 20878 is currently listed for sale with an asking price of $900,000. This property was built in 1974 and has 5 bedrooms and 4 full and 1 partial baths with 2930 sq. ft. Keystone Drive is located in the WEST RIDING subdivision within the MONTGOMERY COUNTY PUBLIC SCHOOLS school district. Search WEST RIDING real estate on soland.bachrealestate.com today.

Disclosure: Exterior landscaping may be different than shown in photos as a result of Hurricane Ian.

Listed By / Shown By

Listed By

Agency Name: Spring Hill Real Estate, LLC.
Agency Phone: 7038914514

Shown By

Agent Name: Sharon Oland
Agent Phone: (301) 695-9600 ext. x108
Agency Title: Bach Real Estate

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AGENT INFORMATION

Bach Real Estate Sharon Oland (301) 695-9600 x108

Sharon Oland Office: (301) 695-9600 ext. x108 Cell: (240) 447-1136 Email Me

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 10/02/2026. The listing information on this page last changed on 10/02/2026. 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 Fri 10/02/2026 1:17:49 PM EST) or Bright MLS (last updated Fri 10/02/2026 1:05:42 PM EST). Real estate listings held by brokerage firms other than Bach Real Estate 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.
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21 Keystone DriveGaithersburg, MD 20878