What year was the house at 21 Keystone Dr, Gaithersburg, MD built?

The house at 21 Keystone Dr, Gaithersburg, MD was built in 1974.

What type of house is at 21 Keystone Dr, Gaithersburg, MD?

At the house at 21 Keystone Dr, Gaithersburg, MD type Residence for Single Family.

Search address For sale For rent

Gaithersburg, MD
Keystone Drive
21 Keystone Drive

21 Keystone Dr Gaithersburg, MD 20878 / 1877

Map

Residence for Single Family

(UPDATED: 09/13/2025)

3 Baths
9.529 square feet

Sold Feb 2019

$470,000

Property Report

Information about property on 21 Keystone Dr, Gaithersburg MD, 20878-1877. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Property Details

A single-family possession at 21 Keystone Drive, Gaithersburg, MD.

Facts

Built in 1974
Lot size 9,529 sqft
Construction Frame
Bathrooms 3
Stories 2 story with basement
Basement Improved Basement (Finished)
Heating & Cooling
Heat type Forced air unit
Exterior Home Features
Roof type Composition Shingle
Parking & Garage
Parking Carport

Misc

Units 1

Features

Fireplace
A/C

Householders and Tenants for 21 Keystone Dr, Gaithersburg MD

Purchase History

Date	Event	Price	Source	Agents
08/01/2007	Sold	$484,900	Public records

Cost estimate history

Year	Tax	Assessment	Market
2014	N/A	$365,700	N/A
2011	$4,554	N/A	N/A
2008	N/A	N/A	$365,700

Where is 21 Keystone Dr, Gaithersburg MD located on map?

Market Activities

To date, we have no information about market activities in 2025

Feb 2019 Sold

21 Keystone Dr

Price history :

$470K

Jan 2019 Sold

21 Keystone Dr

Price history :

$475K

Properties Nearby

Street Address
2 Keystone Dr, Gaithersburg, MD 20878-1879
3 Keystone Dr, Gaithersburg, MD 20878-1878

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FAQ about the house at 21 Keystone Dr, Gaithersburg, MD

What year was the house at 21 Keystone Dr, Gaithersburg, MD built? The house at 21 Keystone Dr, Gaithersburg, MD was built in 1974.
What type of house is at 21 Keystone Dr, Gaithersburg, MD? At the house at 21 Keystone Dr, Gaithersburg, MD type Residence for Single Family.

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