OFF MARKET
Off market may 2010 for $436K
$681,288
Est. refi paymentEst. refi $2,179/mo
4
bd
•
3 ba
•
2,156
sq ft

4 Keystone Ct, Gaithersburg, MD 20878

map-entry

About this home

Single-familyProperty Type
1974Year Built
9,507 sq ftLot Size
$316Est. Price/Sq.Ft.
Listed by Steven Katz • Weichert, REALTORS
•301-610-6444 (broker)
Listed by Terry Hudson • Weichert, REALTORS
•301-417-7770 (broker)
Bought with Terry Hudson • Weichert, REALTORS
•301-417-7770 (broker)
Redfin checked: 2 minutes ago
•Source:BRIGHT MLS #1004788474

Redfin Estimate

$681,288
$245K since sold in May 2010$4,000 since September

This home's estimate is 8.2% lower than the average sale price ($742K) of 5 comparable homes.

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Earn from this home

Sell
$431,097
Est. take-home

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Refinance
$0
Est. cash available

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Rent
$3,439/mo
Redfin rental estimate

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Market trends in 20878, MD

Sale history for 4 Keystone Ct

Tax history for 4 Keystone Ct

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

Public record

Beds
—
Baths
3
Stories
2
Lot width
—
Lot depth
—
Lot size
9,507 Sq. Ft.
Year renovated
—
Sq. Ft.
2,156
Year built
1974
Style
Single Family Residential
County
Montgomery County
APN
09 01521531
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 17, 2026.

Property details

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

Climate risks

1/10 Flood Factor

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

2/10 Fire Factor

0.00% chance of being 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)
38
23
43
29
62
40
70
49
73
56
85
65
88
71
81
63
79
60
69
48
58
41
45
30
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
$648,000 – $784,000

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Property information provided by BRIGHT MLS when last listed in 2010. This data may not match public records. Learn more.
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GreatSchools Ratings provided by GreatSchools.org.