21028 Zion Rd is a 960 square foot house on a 0.86 acre lot with 1 bathroom. Based on Redfin's Gaithersburg data, we estimate the home's value is $395,819.
Single-familyProperty Type
1961Year Built
0.86 acresLot Size
$412Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$395,819
$2,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 37.9% lower than the average sale price ($637K) 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*
2025
$3,184 (+7.3%)
$196,300 + $105,300
$301,600
2024
$2,967 (+245.0%)
2023
$860 (+110.9%)
2022
$408 (+13.8%)
$196,300 + $71,300
$267,600
2021
$358 (+8.4%)
2020
$330 (−27.5%)
2019
$456 (+2.4%)
$196,300 + $55,600
$251,900
2018
$445 (+0.6%)
$196,300 + $55,600
$251,900
2017
$442 (+2.6%)
$196,300 + $56,900
$253,200
2015
$431 (+0.6%)
$196,300 + $45,700
$242,000
2014
$429 (−0.5%)
2013
$431 (+4.1%)
2012
$414 (+5.1%)
2011
$394
2010
$394 (−72.7%)
2009
$1,445
Tax history for 21028 Zion Rd
Year
Property tax
Land + Additions
Assessment*
2025
$3,184 (+7.3%)
$196,300 + $105,300
$301,600
2024
$2,967 (+245.0%)
2023
$860 (+110.9%)
2022
$408 (+13.8%)
$196,300 + $71,300
$267,600
2021
$358 (+8.4%)
2020
$330 (−27.5%)
2019
$456 (+2.4%)
$196,300 + $55,600
$251,900
2018
$445 (+0.6%)
$196,300 + $55,600
$251,900
2017
$442 (+2.6%)
$196,300 + $56,900
$253,200
2015
$431 (+0.6%)
$196,300 + $45,700
$242,000
2014
$429 (−0.5%)
2013
$431 (+4.1%)
2012
$414 (+5.1%)
2011
$394
2010
$394 (−72.7%)
2009
$1,445
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
RE-2
Residential Estate - 2 Zone
The intent of the RE-2 zone is to provide designated areas of the County for large-lot residential uses. The predominant use is residential in a detached house.
Permitted uses
Include but are not limited to:
Agriculture-Other
Religious facility
Housing-Single unit
Housing-Senior
Infrastructure-Other
Public service
Kennel
Transportation-Other
Park & open space
Property details
Interior
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Type: Hot Air
Exterior
Exterior Information
Building Construction Quality: Fair
Exterior Wall: Frame
Building Type: Single Family
Property Information
Subdivision Name: ADD TO BROOKE GROVE NR
Living Sq. Ft: 960
Building Sq. Ft: 960
# of Stories: 1
Stories Type: 1 Story With Basement
Legal Description: ADD TO BROOKE GROVE NR MT ZION
Lot Information
# of Buildings: 1
Land Sq. Ft: 37,461
Acres: 0.86
Zoning Code: RE2
County Use Description: SINGLE FAMILY DETACH
State Use Description: RESIDENTIAL
Utility Information
Sewer Type: Private
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 01
Public facts
Beds: —
Baths: 1.0
Sq. Ft.: 960
Stories: 1.0
Lot Size: 0.86 acres
Style: Single Family Residential
Year Built: 1961
Year Renovated: —
County: Montgomery County
APN: 01 00008118
Home facts updated by county records on Jul 17, 2026
Around this home
Schools
Belmont Elementary School
Public K-5 • Assigned • 2.3mi
8/10
Rosa M. Parks Middle School
Public 6-8 • Assigned • 2.3mi
9/10
Sherwood High School
Public 9-12 • Assigned • 5.7mi
7/10
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
3/10 Fire Factor
0.31% chance of being in a wildfire in next 30 years
6/10 Heat Factor
7 days above 102° expected this year, 15 days in 30 years
4/10 Wind Factor
14% chance of strong winds in next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 3 days in 30 years
Provided by First Street
Historical weather
Gaithersburg, MD • 20882
Average low and high temperatures (°F)
36
22
41
26
60
38
68
47
72
53
82
62
87
70
79
61
76
59
67
46
56
39
42
28
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.2 hours in
June and 4.2 hours in December, placing it below the
U.S. average for solar exposure.
9.2 hrs
4.2 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$377,000 – $456,000
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