21 Rye Ct is a 1,408 square foot townhouse on a 2,250 square foot lot with 3 bathrooms. Based on Redfin's Gaithersburg data, we estimate the home's value is $459,725.
TownhomeProperty Type
1970Year Built
2,250 sq ftLot Size
$327Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$459,725
$18K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 9% lower than the average sale price ($505K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2026
$5,285 (+22.0%)
$150,000 + $232,600
$382,600
2025
$4,331 (+8.4%)
$150,000 + $232,600
$382,600
2024
$3,994 (+8.5%)
2023
$3,682 (+5.8%)
2022
$3,481 (+2.5%)
$150,000 + $167,800
$317,800
2021
$3,395 (+3.8%)
2020
$3,270 (+0.6%)
2019
$3,249
$150,000 + $143,600
$293,600
2018
$3,251 (−2.5%)
$150,000 + $143,600
$293,600
2017
$3,334 (+28.1%)
$150,000 + $146,600
$296,600
2015
$2,602 (−1.6%)
$120,000 + $126,000
$246,000
2014
$2,645 (+1.1%)
2013
$2,617 (−9.5%)
2012
$2,893 (+6.8%)
2011
$2,708
2010
$2,708 (+15.6%)
2009
$2,343
Tax history for 21 Rye Ct
Year
Property tax
Land + Additions
Assessment*
2026
$5,285 (+22.0%)
$150,000 + $232,600
$382,600
2025
$4,331 (+8.4%)
$150,000 + $232,600
$382,600
2024
$3,994 (+8.5%)
2023
$3,682 (+5.8%)
2022
$3,481 (+2.5%)
$150,000 + $167,800
$317,800
2021
$3,395 (+3.8%)
2020
$3,270 (+0.6%)
2019
$3,249
$150,000 + $143,600
$293,600
2018
$3,251 (−2.5%)
$150,000 + $143,600
$293,600
2017
$3,334 (+28.1%)
$150,000 + $146,600
$296,600
2015
$2,602 (−1.6%)
$120,000 + $126,000
$246,000
2014
$2,645 (+1.1%)
2013
$2,617 (−9.5%)
2012
$2,893 (+6.8%)
2011
$2,708
2010
$2,708 (+15.6%)
2009
$2,343
*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
RP-T
Medium Density Residential District
The RP-T Zone is intended to provide for medium-to-high density residential uses with a range of housing types.
Permitted uses
Include but are not limited to:
Religious facility
Housing-Single unit
Housing-Multiple units
Housing-Other
Lodging & hospitality
Public service
Aug 10, 2026 • Active
Residential electrical - no service change
Remodel the master bathroom and kitchen.
Bathroom
Electrical
Kitchen
Remodel
Aug 10, 2026 • Active
Residential building improvement - interior alteration
Update the kitchen, primary bathroom, and powder room.
Bathroom
Kitchen
Remodel
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
Interior
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 2
Heating & Cooling
Air Conditioning Type: Split System
Heating Type: Hot Air
Exterior
Exterior Information
Building Style Type: Townhouse
Building Construction Quality: Average
Exterior Wall: Brick
Building Type: Townhouse
Property Information
Living Sq. Ft: 1,408
Building Sq. Ft: 1,408
# of Stories: 2
Stories Type: 2 Story With Basement
Legal Description: DIAMOND FARM
Lot Information
# of Buildings: 1
Land Sq. Ft: 2,250
Legal Lot Number: 20
Legal Block Number: B
Municipality Name: GAITHERSBURG
Acres: 0.0517
Zoning Code: RPT
County Use Description: TOWNHSE/DUPLEX/QUAD
State Use Description: RESIDENTIAL
Utility Information
Sewer Type: Public
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 09
Public facts
Beds: —
Baths: 3.0
Sq. Ft.: 1,408
Stories: 2.0
Lot Size: 2,250 square feet
Style: Townhouse
Year Built: 1970
Year Renovated: —
County: Montgomery County
APN: 09 00829272
Home facts updated by county records on Oct 14, 2026
Around this home
Schools
Diamond Elementary School
Public PreK-5 • Assigned • 0.7mi
9/10
Lakelands Park Middle School
Public 6-8 • Assigned • 1.2mi
6/10
Northwest High School
Public 9-12 • Assigned • 3.0mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
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
10% 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
$437,000 – $529,000
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