21728 Rolling Ridge Ln is a 2,584 square foot house on a 5.18 acre lot with 2.5 bathrooms. - it last sold on January 22, 2008 for $378,600. Based on Redfin's Laytonsville data, we estimate the home's value is $750,072.
Single-familyProperty Type
1783Year Built
5.18 acresLot Size
$290Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$750,072
$371K since sold in January 2008$24K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.8% lower than the average sale price ($841K) of 5 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Feb 22, 2007 • Final
Electrical
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
Interior
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Radiant Hot Water
Exterior
Exterior Information
Building Construction Quality: Fair
Exterior Wall: Brick
Roof Shape Type: Metal
Building Type: Single Family
Property Information
Living Sq. Ft: 2,584
Building Sq. Ft: 2,584
# of Stories: 1.5
Stories Type: 1 1/2 Story With Basement
Legal Description: ROLLING RIDGE
Lot Information
# of Buildings: 1
Land Sq. Ft: 225,641
Legal Lot Number: 14
Legal Block Number: A
Municipality Name: LAYTONSVILLE
Acres: 5.18
Zoning Code: R3
County Use Description: SINGLE FAMILY DETACH
State Use Description: RESIDENTIAL
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 01
Public facts
Beds: —
Baths: 2.5
Sq. Ft.: 2,584
Stories: 1.5
Lot Size: 5.18 acres
Style: Single Family Residential
Year Built: 1783
Year Renovated: —
County: Montgomery County
APN: 01 03570292
Home facts updated by county records on Jul 17, 2026
Around this home
Schools
Laytonsville Elementary School
Public K-5 • Assigned • 0.7mi
7/10
Gaithersburg Middle School
Public 6-8 • Assigned • 5.3mi
4/10
Gaithersburg High School
Public 9-12 • Assigned • 6.1mi
3/10
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
21% 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
Laytonsville, 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
$713,000 – $863,000
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