21100 Slidell Rd is a 9,111 square foot house on a 18.94 acre lot with 7 bathrooms. Based on Redfin's Boyds data, we estimate the home's value is $2,855,625.
Single-familyProperty Type
2008Year Built
18.94 acresLot Size
$313Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,855,625
$23K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 162.1% higher than the average sale price ($1.09M) of 5 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
$24,739 (+6.9%)
2024
$23,148 (+5.1%)
2023
$22,021 (+10.0%)
$406,600 + $1,596,500
$2,003,100
2022
$20,016 (+6.0%)
2021
$18,887 (+0.3%)
2020
$18,822 (+0.3%)
$406,600 + $1,310,700
$1,717,300
2019
$18,756
2018
$18,745 (−1.2%)
$406,600 + $1,300,600
$1,707,200
2017
$18,963 (+3.3%)
2015
$18,360
2014
$18,344 (+3.9%)
2013
$17,650 (+4.5%)
2012
$16,889 (+4.5%)
2011
$16,154
2010
$16,154 (+12.2%)
2009
$14,400
Tax history for 21100 Slidell Rd
Year
Property tax
Land + Additions
Assessment*
2025
$24,739 (+6.9%)
2024
$23,148 (+5.1%)
2023
$22,021 (+10.0%)
$406,600 + $1,596,500
$2,003,100
2022
$20,016 (+6.0%)
2021
$18,887 (+0.3%)
2020
$18,822 (+0.3%)
$406,600 + $1,310,700
$1,717,300
2019
$18,756
2018
$18,745 (−1.2%)
$406,600 + $1,300,600
$1,707,200
2017
$18,963 (+3.3%)
2015
$18,360
2014
$18,344 (+3.9%)
2013
$17,650 (+4.5%)
2012
$16,889 (+4.5%)
2011
$16,154
2010
$16,154 (+12.2%)
2009
$14,400
*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
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
Dec 14, 2010 • Final
Mechanical
HVAC
Aug 20, 2008 • Final
County well
Grading
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
Basement Information
Basement Sq. Ft: 2,300
Basement Finish: Finished
Basement Type: Finished
Bathroom Information
# of Full Baths: 6
# of 1/2 Baths: 2
Heating & Cooling
Air Conditioning Type: Split System
Heating Type: Hot Air
Fireplace Information
# of Fireplaces: 3
Fireplace Type: 2 Story Stone
Has Fireplace
Exterior
Exterior Information
Building Construction Quality: Excellent
Exterior Wall: Frame
Building Type: Single Family
Property Information
Subdivision Name: POLLEKOFF PROP
Living Sq. Ft: 9,111
Building Sq. Ft: 10,031
# of Stories: 2
Stories Type: 2 Story With Basement
Legal Description: POLLEKOFF PROPERTY
Parking & Garage Information
Parking Type: Built-In Garage
Garage/Parking Sq. Ft: 1,820
Garage / Carport Type: Built In
Lot Information
# of Buildings: 1
Land Sq. Ft: 825,026
Legal Lot Number: 2
Acres: 18.94
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: 11
Public facts
Beds: —
Baths: 7.0
Sq. Ft.: 9,111
Stories: 2.0
Lot Size: 18.94 acres
Style: Single Family Residential
Year Built: 2008
Year Renovated: —
County: Montgomery County
APN: 11 03424253
Home facts updated by county records on Jul 18, 2026
Around this home
Schools
William B. Gibbs Jr. Elementary School
Public PreK-5 • Assigned • 3.7mi
7/10
Neelsville Middle School
Public 6-8 • Assigned • 4.8mi
4/10
Seneca Valley High School
Public 9-12 • Assigned • 3.9mi
4/10
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
4/10 Fire Factor
2% chance of being in a wildfire in next 30 years
5/10 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
2/10 Air Factor
1 unhealthy days expected this year, 2 days in 30 years
Provided by First Street
Historical weather
Boyds, MD • 20841
Average low and high temperatures (°F)
38
22
43
27
62
39
69
48
73
55
84
64
89
71
83
64
78
59
69
46
58
38
44
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 4.1 hours in December, placing it below the
U.S. average for solar exposure.
9.2 hrs
4.1 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$2.71M – $3.28M
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