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21 Keystone Dr , Gaithersburg, MD 20878
$900,000
Est. Payment: $4,790.18/mo
5 Bed
5 Bath
2930 Sqft
0.22 Acres
Status: active under contract | Days on site: 11
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SHIL1 - 132698
By proceeding and clicking the sign up button, you consent to receive calls and texts (SMS/MMS) including marketing and promotional communications, from IDX Support, its affiliates, and agents or vendors acting on their behalf. These communications may be delivered using an automatic telephone dialing system or by using an artificial or prerecorded voice. Message and data rates may apply. To opt out of text messages, reply STOP. Your consent is not required as a condition of any purchase. By continuing, you also agree to our Terms of Use and Privacy Policy.
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House Description

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!
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Highlights

Listed by Piedad Suarez , 7038559915 Spring Hill Real Estate, LLC. , 7038914514. Bright MLS

Property Type

Residential
Lot/Acreage
0.22

Year Built

1974

County

Montgomery

 Neighborhood

West Riding

 School District

Montgomery County Public Schools

Listing ID

MDMC2258154

Questions about this listing?

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Interior Features

Bedrooms and Bathrooms
  • ▪ Bedrooms:5
  • ▪ Bathrooms:5
  • ▪ Full Bathrooms:4
  • ▪ 1/2 Bathrooms:1
Appliances:Built-In Microwave, Dishwasher, Disposal
Floor:Hardwood
Above Ground Sq Ft:2230
Below Ground Sq Ft:700
Basement:Connecting Stairway,Fully Finished,Improved,Interior Access,Sump Pump
Other:
  • ▪ Additional:Floor Plan - Traditional
Water:Public

Exterior Features

Lot:Not New Construction,Horse Property: No,In City Limits
Garage Capacity:5
Zoning:R90
Roof:Architectural Shingle
Others:
  • ▪ Additional:Play Area, Play Equipment, BBQ Grill
Sewer:Public Sewer
Parking Features:Asphalt Driveway,Garage Door Opener,Inside Access,Driveway,Attached Garage,4+ Spaces,3+ Spaces,2+ Spaces,1+ Spaces
Principal Interest
$4,790
Taxes
$743

Home Price

$900,000

Loan Details

30 yrs
7%

Down Payment

20%
$180,000
All calculations are estimates and provided by Blueroof360. Today’s Rates provided by Blueroof360. Information and interactive calculators are made available to you only as self-help tools for your independent use and are not intended to provide investment or tax advice. We cannot and do not guarantee their applicability or accuracy in regards to your individual circumstances. All examples are hypothetical and are for illustrative purposes. We encourage you to seek personalized advice from qualified professionals regarding all personal finance issues.
Monthly Price:
$4,790.18

Principal

Taxes

Principal Taxes HOA Total
Monthly $4,790.18 $743.00 $0.00 $5,533.18
Yearly $57,482.14 $8,916.00 $0.00 $66,398.14
Total $1,724,464.07 $267,480.00 $0.00 $1,991,944.07
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Chico Gordy
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Market insight data is pulled from the same city as the listing being viewed (Gaithersburg, MD).

The schools listed are within a 2-mile radius of the property; however, attendance is not guaranteed. Please contact the local school district to confirm zoning and enrollment options.

Information provided by Bright MLS, and is deemed reliable but not guaranteed accurate.

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Data last updated: 2026-11-13T19:09:10.000Z

© 2026 Bright MLS