OFF MARKET

Off market feb 2011 for $460K

$703,741

Est. refi paymentEst. refi $3,668/mo

•

1,908

sq ft

5 Keystone Ct, Gaithersburg, MD 20878

About this home

Single-familyProperty Type

1975Year Built

9,040 sq ftLot Size

$369Est. Price/Sq.Ft.

1 spaceParking

Listed by Allan Prigal • RE/MAX Realty Group

•301-258-7757 (broker)

Bought with Paul Yanoshik • RE/MAX Realty Group

•301-258-7757 (broker)

Redfin checked: 2 minutes ago

•Source:BRIGHT MLS #1005078380

Redfin Estimate

$703,741

$244K since sold in February 2011$1,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 12.2% lower than the average sale price ($802K) of 5 comparable homes.

SOLD MAY 22, 2026
$757,500
A
4 beds3.5 baths2,796 sq ft
3 Pavilion Dr, Gaithersburg, MD 20878
SOLD MAY 20, 2026
$730,000
B
4 beds3.5 baths2,636 sq ft
777 Kimberly Ct, Gaithersburg, MD 20878
SOLD JUL 14, 2026
$773,580
C
4 beds3 baths2,156 sq ft
852 Diamond Dr, Gaithersburg, MD 20878
SOLD JUN 23, 2026
$918,530
D
4 beds3.5 baths2,284 sq ft
12213 Galesville Dr, Gaithersburg, MD 20878
BOUGHT WITH REDFIN SEP 14, 2026
$830,000
E
4 beds3.5 baths2,734 sq ft
106 Cherrywood Ter, Gaithersburg, MD 20878

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Earn from this home

Sell

$433,262

Est. take-home

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Refinance

Est. cash available

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Rent

$3,455/mo

Redfin rental estimate

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Market trends in 20878, MD

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.6%

0.3% MoM

Median sale price

$797K

$2K MoM

Avg. days on market

40d

6 days MoM

Recently sold homes

189

20 MoM

New listings for sale

OPEN SAT, 12PM TO 4PM
$880,000
5 beds2.5 baths2,372 sq ft
12512 Carry Back Pl, North Potomac, MD 20878
(301) 921-4500
OPEN SAT, 12PM TO 3PM
$515,000
3 beds3.5 baths1,660 sq ft
627 Coral Reef Dr, Gaithersburg, MD 20878
(888) 444-9964
COMING SOON
$1,050,000
5 beds3.5 baths4,036 sq ft
15103 Gravenstein Way, North Potomac, MD 20878
(301) 947-9695
$899,000
4 beds2.5 baths3,058 sq ft
12321 Triple Crown Rd, North Potomac, MD 20878
(703) 518-8300
$549,000
4 beds3.5 baths2,078 sq ft
4 Narrowleaf Ct, Gaithersburg, MD 20878
(301) 244-0117
COMING SOON
$1,399,900
4 beds5 baths3,790 sq ft
151 Little Quarry Rd, Gaithersburg, MD 20878
(301) 602-3904
$865,000
4 beds3.5 baths2,362 sq ft
243 Baldwin St, Gaithersburg, MD 20878
(703) 378-8810
3D WALKTHROUGH
$532,900
3 beds2 baths1,702 sq ft
104 Bucksfield Rd #104, Gaithersburg, MD 20878
(301) 602-3904
$399,900
4 beds3.5 baths1,912 sq ft
815 Bayridge Dr, Gaithersburg, MD 20878
(301) 602-3904
3D WALKTHROUGH
$519,900
3 beds2 baths1,730 sq ft
164 Chevy Chase St #164, Gaithersburg, MD 20878
(301) 602-3904
See all

Provided by Redfin

Sale history for 5 Keystone Ct

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Year

Property tax

Land + Additions

Assessment*

2025

$5,962 (+7.5%)

$214,300 + $294,900

$509,200

2024

$5,545 (+7.8%)

2023

$5,146 (+3.7%)

2022

$4,961 (+0.5%)

$214,300 + $211,500

$425,800

2021

$4,936 (+1.5%)

2020

$4,862 (+3.9%)

2019

$4,682 (+3.6%)

$214,300 + $200,400

$414,700

2018

$4,520 (+2.6%)

2017

$4,407 (+4.9%)

$214,300 + $161,400

$375,700

2015

$4,202 (−1.5%)

$190,600 + $175,300

$365,900

2014

$4,267 (+1.2%)

2013

$4,215 (−7.7%)

2012

$4,567 (+4.4%)

2011

$4,376

2010

$4,376 (+22.4%)

2009

$3,577

Tax history for 5 Keystone Ct

Year

Property tax

Land + Additions

Assessment*

2025

$5,962 (+7.5%)

$214,300 + $294,900

$509,200

2024

$5,545 (+7.8%)

2023

$5,146 (+3.7%)

2022

$4,961 (+0.5%)

$214,300 + $211,500

$425,800

2021

$4,936 (+1.5%)

2020

$4,862 (+3.9%)

2019

$4,682 (+3.6%)

$214,300 + $200,400

$414,700

2018

$4,520 (+2.6%)

2017

$4,407 (+4.9%)

$214,300 + $161,400

$375,700

2015

$4,202 (−1.5%)

$190,600 + $175,300

$365,900

2014

$4,267 (+1.2%)

2013

$4,215 (−7.7%)

2012

$4,567 (+4.4%)

2011

$4,376

2010

$4,376 (+22.4%)

2009

$3,577

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

Public record

Public record
Zoning
Permits

Beds

—

Baths

3.5

Stories

Lot width

—

Lot depth

—

Lot size

9,040 Sq. Ft.

Year renovated

—

Sq. Ft.

2,308

Year built

1975

Style

Single Family Residential

County

Montgomery County

APN

09 01521484

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 17, 2026.

Feb 27, 2017 • Final

Residential mechanical

Install a new gas furnace and air conditioning unit.

HVAC

Oct 17, 2006 • Final

Permits plus archive - building add/alt - residential

Addition

Electrical

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Parking

Parking Information
# of Attached Carport Spaces: 1
# of Total Garage and Parking Spaces: 1
Carport
# of Open Parking Spaces: 1
Off Street, Attached Carport

Interior

Virtual Tour

Bedroom Information
# of Bedrooms On 1st Upper Level: 4

Bathroom Information
# of Bathrooms (Full) On 1st Upper Level: 2
# of Bathrooms (Half) On Main Level: 1
# of Bathrooms (Full) On 1st Lower Level: 1
# of Bathrooms (Half): 1
# of Bathrooms (Full): 3

Interior Information
Appliances: Dishwasher, Disposal, Dryer, Icemaker, Instant Hot Water, Oven/Range - Electric, Refrigerator, Stove, Washer
Interior Features: Kitchen - Gourmet, Kitchen - Country, Dining Area, Kitchen - Eat-In, Master Bath(s), Built-Ins, Window Treatments, Upgraded Countertops, Wood Floors

Fireplace Information
Has Fireplace
# of Fireplaces: 1
Screen

Basement Information
Basement: Yes
Connecting Stairway, Full, Heated, Improved, Partially Finished

Exterior

Property Information
Front Foot Fee Payment Frequency: Annually
Improvement Assessed Value: $168,110
Ownership Interest: Fee Simple
Property Condition: Very Good
Year Built Source: Estimated

Building Information
Construction Not Completed
Construction Materials: Combination, Brick
Outdoor Living Structures: Patio(s), Screened
Structure Type: Detached

Lot Information
Tidal Water: No

Land Information
Land Assessed Value: $238,330

Financial

Tax Information
City/Town Tax: $1,064.87
County Tax: $3,296.23
Tax Assessed Value: $406,440
Tax Year: 2010
Tax Annual Amount: $5,068.46

Assessments Information
Special Assessment Payment: Annually
Year Assessed: 2010

Utilities

Utilities Information
Central Air
Cooling Type: Ceiling Fan(s), Central A/C
Cooling Fuel: Electric
Central, Forced Air
Heating Fuel: Natural Gas
Hot Water: Natural Gas
Sewer Septic: Public Sewer
Water Source: Public

Location

Location Information
In City Limits
Directions: Quince Orchard Rd to Quince Orchard Blvd to Diamond Dr. Take left on Marqquis Dr. Right on Cullinan. Right on Keystone Ct.
Municipality: GAITHERSBURG

Public facts

Beds: —
Baths: 3.5
Sq. Ft.: 2,308
Stories: 2.0
Lot Size: 9,040 square feet
Style: Single Family Residential
Year Built: 1975
Year Renovated: —
County: Montgomery County
APN: 09 01521484

Home facts updated by county records on Jul 17, 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 • 2.1mi

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...
2 months ago • Gaithersburg
Bryan Kerrigan
Redfin Premier agent
740 deals
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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

$669,000 – $810,000

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New listings for sale in 20878

OPEN SAT, 12PM TO 4PM

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15103 Gravenstein Way, North Potomac, MD 20878

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COMING SOON

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4 beds3.5 baths2,362 sq ft

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3D WALKTHROUGH

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(301) 602-3904

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4 beds3.5 baths1,912 sq ft

815 Bayridge Dr, Gaithersburg, MD 20878

(301) 602-3904

Home values near 5 Keystone Ct

Data from public records.

Address	Redfin Estimate
16 Keystone Dr, Gaithersburg, MD 4 Beds \| 3.5 Baths \| 2608 Sq. Ft.	$718,390
10 Keystone Dr, Gaithersburg, MD 5 Beds \| 3.5 Baths \| 3316 Sq. Ft.	$748,858

Address	Redfin Estimate
14 Keystone Dr, Gaithersburg, MD - Beds \| 3.5 Baths \| 2308 Sq. Ft.	$641,780
1 Keystone Dr, Gaithersburg, MD 5 Beds \| 3 Baths \| 2756 Sq. Ft.	$737,232

Address	Redfin Estimate
12 Keystone Dr, Gaithersburg, MD 4 Beds \| 3.5 Baths \| 3126 Sq. Ft.	$746,097
3 Keystone Ct, Gaithersburg, MD - Beds \| 3 Baths \| 2156 Sq. Ft.	$650,322

Property information provided by BRIGHT MLS when last listed in 2010. This data may not match . Learn more.

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