Google street view image for 2 Keystone Ct, Gaithersburg, MD 20878

Off market

$674,937

—

•

3.5 ba

•

2,308

sq ft

2 Keystone Ct, Gaithersburg, MD 20878

About this home

2 Keystone Ct is a 2,308 square foot house on a 0.27 acre lot with 3.5 bathrooms. Based on Redfin's Gaithersburg data, we estimate the home's value is $674,937.

Single-familyProperty Type

1975Year Built

0.27 acresLot Size

$292Est. Price/Sq.Ft.

1 spaceParking

Source:Public Records

Redfin Estimate

$674,937

$10K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 10% lower than the average sale price ($750K) of 6 comparable homes.

SOLD MAY 22, 2026
$757,500
A
4 beds3.5 baths2,796 sq ft
3 Pavilion Dr, Gaithersburg, MD 20878
SOLD JUN 23, 2026
$918,530
B
4 beds3.5 baths2,284 sq ft
12213 Galesville Dr, Gaithersburg, MD 20878
SOLD JUL 14, 2026
$773,580
C
4 beds3 baths2,156 sq ft
852 Diamond Dr, Gaithersburg, MD 20878
SOLD MAY 20, 2026
$730,000
D
4 beds3.5 baths2,636 sq ft
777 Kimberly Ct, Gaithersburg, MD 20878
SOLD SEP 1, 2026
$695,250
E
4 beds2.5 baths2,252 sq ft
16716 Sioux Ln, Gaithersburg, MD 20878
SOLD AUG 26, 2026
$625,000
F
3 beds3 baths1,902 sq ft
11937 Bayswater Rd, Gaithersburg, MD 20878

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Earn from this home

Sell

$634,111

Est. take-home

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Rent

$3,345/mo

Redfin rental estimate

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Market trends in 20878, MD

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

99.5%

0.1% MoM

Median sale price

$820K

$23K MoM

Avg. days on market

43d

3 days MoM

Recently sold homes

154

35 MoM

New listings for sale

COMING SOON
$549,099
2 beds2 baths1,000 sq ft
510 Diamondback Dr #370, Gaithersburg, MD 20878
(240) 497-1700
OPEN TODAY, 2PM TO 4PM
$358,000
1 bed1 bath964 sq ft
16 Granite Pl #482, Gaithersburg, MD 20878
(301) 718-0010
COMING SOON
3 Arch Pl #428, Gaithersburg, MD 20878
$349,000
1 bed1 bath1,003 sq ft
3 Arch Pl #428, Gaithersburg, MD 20878
(703) 214-5100
NEW 33 HRS AGO
$775,000
5 beds3.5 baths3,150 sq ft
132 Liriope Pl, Gaithersburg, MD 20878
(301) 774-5900
OPEN TODAY, 1PM TO 3PM
$900,000
4 beds3.5 baths2,784 sq ft
15209 Jones Ln, Gaithersburg, MD 20878
(301) 299-6000
$539,900
3 beds2.5 baths1,960 sq ft
805 Suffield Dr, Gaithersburg, MD 20878
(301) 788-2549
OPEN TODAY, 1PM TO 3PM
$529,900
2 beds2.5 baths1,795 sq ft
652-A Main St, Gaithersburg, MD 20878
(240) 497-1700
COMING SOON
$819,000
3 beds2.5 baths2,160 sq ft
1334 Main Mews, Gaithersburg, MD 20878
(301) 615-3000
OPEN TODAY, 2PM TO 4PM
$1,250,000
4 beds5.5 baths4,740 sq ft
12910 Esworthy Rd, North Potomac, MD 20878
(301) 652-0643
OPEN TODAY, 12PM TO 4PM
$639,000
4 beds3.5 baths2,368 sq ft
12353 Sweetbough Ct, North Potomac, MD 20878
(240) 219-2422
See all

Provided by Redfin

Sale history for 2 Keystone Ct

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2026

$7,660 (+16.2%)

$223,900 + $332,100

$556,000

2025

$6,590 (+7.5%)

$223,900 + $332,100

$556,000

2024

$6,128 (+23.3%)

2023

$4,968 (+3.4%)

2022

$4,804 (+0.5%)

$223,900 + $238,200

$462,100

2021

$4,778 (+5.5%)

2019

$4,530 (+3.8%)

$223,900 + $225,700

$449,600

2018

$4,364 (−10.0%)

2017

$4,847 (+5.2%)

$223,900 + $181,800

$405,700

2015

$4,609 (−1.5%)

$200,200 + $197,400

$397,600

2014

$4,679 (+1.3%)

2013

$4,621 (−6.9%)

2012

$4,965 (+4.3%)

2011

$4,761

2010

$4,761 (+25.6%)

2009

$3,790

Tax history for 2 Keystone Ct

Year

Property tax

Land + Additions

Assessment*

2026

$7,660 (+16.2%)

$223,900 + $332,100

$556,000

2025

$6,590 (+7.5%)

$223,900 + $332,100

$556,000

2024

$6,128 (+23.3%)

2023

$4,968 (+3.4%)

2022

$4,804 (+0.5%)

$223,900 + $238,200

$462,100

2021

$4,778 (+5.5%)

2019

$4,530 (+3.8%)

$223,900 + $225,700

$449,600

2018

$4,364 (−10.0%)

2017

$4,847 (+5.2%)

$223,900 + $181,800

$405,700

2015

$4,609 (−1.5%)

$200,200 + $197,400

$397,600

2014

$4,679 (+1.3%)

2013

$4,621 (−6.9%)

2012

$4,965 (+4.3%)

2011

$4,761

2010

$4,761 (+25.6%)

2009

$3,790

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning and permits

Zoning
Permits

R-90

Medium Density Residential District

The R-90 Zone is intended to provide for medium-density residential areas primarily with single-family detached homes.

Permitted uses

Include but are not limited to:

Religious facility
Day care facility
Housing-Single unit
Housing-Other
Public service

Property details

Interior

Basement Information
Basement Sq. Ft: 400
Basement Finish: Finished
Basement Type: Finished

Bathroom Information
# of Full Baths: 3
# of 1/2 Baths: 1

Heating & Cooling
Air Conditioning Type: Split System
Heating Type: Hot Air

Fireplace Information
# of Fireplaces: 1
Fireplace Type: 2 Story Brick
Has Fireplace

Exterior

Exterior Information
Building Construction Quality: Average
Exterior Wall: Frame
Building Type: Single Family

Property Information
Living Sq. Ft: 2,308
Building Sq. Ft: 3,208
# of Stories: 2
Stories Type: 2 Story With Basement
Legal Description: WEST RIDING

Parking & Garage Information
Parking Type: Attached Frame Garage
Garage/Parking Sq. Ft: 900
Garage / Carport Type: Attached Frame

Lot Information
# of Buildings: 1
Land Sq. Ft: 11,844
Legal Lot Number: 59
Legal Block Number: C
Municipality Name: GAITHERSBURG
Acres: 0.2719
Zoning Code: R90
County Use Description: SINGLE FAMILY DETACH
State Use Description: RESIDENTIAL

Utility Information
Sewer Type: Public

Financial

Assessor Information
Assessment Year: 2026
Tax District County: 09

Public facts

Beds: —
Baths: 3.5
Sq. Ft.: 2,308
Stories: 2.0
Lot Size: 0.27 acres
Style: Single Family Residential
Year Built: 1975
Year Renovated: —
County: Montgomery County
APN: 09 01521542

Home facts updated by county records on Oct 14, 2026

Around this home

Schools

Diamond Elementary School

Public PreK-5 • Assigned • 0.3mi

9/10

Lakelands Park Middle School

Public 6-8 • Assigned • 1.4mi

6/10

Northwest High School

Public 9-12 • Assigned • 2.2mi

8/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Gaithersburg, MD, is known for its diverse community, historic landmarks like the Gaithersburg Community Museum, and modern developments like the Kentlands. It combines a rich heritage with thriving shopping, dining, and recreational options, making...
1 week ago • Gaithersburg
Bryan Kerrigan
Redfin Premier agent
742 deals
Was this helpful?
With so many different neighborhoods, Gaithersburg is consistently ranked as the #1 most diverse in the entire US!!! From the Kentlands story book design to the new urbanism of Crown Farm, there are several neighborhoods where you can live, play, and...
2 weeks ago • Gaithersburg
Kris Paolini
Redfin Premier agent
797 deals
Was this helpful?

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

6/10 Heat Factor

7 days above 102° expected this year, 16 days in 30 years

4/10 Wind Factor

11% chance of strong winds in next 30 years

3/10 Air Factor

2 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Gaithersburg, MD • 20878

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9.3 hours in June and 4.1 hours in December, placing it below the U.S. average for solar exposure.

9.3 hrs

4.1 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$642,000 – $777,000

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New listings for sale in 20878

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COMING SOON

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3 beds2.5 baths1,960 sq ft

805 Suffield Dr, Gaithersburg, MD 20878

Updated kitchen • Granite countertops • Marble flooring

(301) 788-2549

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652-A Main St, Gaithersburg, MD 20878

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Home values near 2 Keystone Ct

Data from public records.

Address	Redfin Estimate
21 Keystone Dr, Gaithersburg, MD 5 Beds \| 4.5 Baths \| 2930 Sq. Ft.	$895,616
16 Keystone Dr, Gaithersburg, MD 4 Beds \| 3.5 Baths \| 2608 Sq. Ft.	$707,502

Address	Redfin Estimate
20 Keystone Dr, Gaithersburg, MD - Beds \| 3 Baths \| 2156 Sq. Ft.	$668,204
14 Keystone Dr, Gaithersburg, MD - Beds \| 3.5 Baths \| 2308 Sq. Ft.	$633,061

Address	Redfin Estimate
18 Keystone Dr, Gaithersburg, MD 4 Beds \| 3 Baths \| 2492 Sq. Ft.	$673,432
12 Keystone Dr, Gaithersburg, MD 4 Beds \| 3.5 Baths \| 3126 Sq. Ft.	$740,946

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