21 Mountain Rd is a 1,632 square foot house on a 7,025 square foot lot with 1 bathroom. - it last sold on April 27, 1978 for $53,000. Based on Redfin's Linthicum data, we estimate the home's value is $365,448.
Single-familyProperty Type
1959Year Built
7,025 sq ftLot Size
$224Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$365,448
$312K since sold in April 1978$4,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 9.7% lower than the average sale price ($405K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jul 3, 2025 • Final
Mechanical
HVAC
Jul 3, 2025 • 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: 1
Heating & Cooling
Air Conditioning Type: Split System
Heating Type: Hot Air
Exterior
Exterior Information
Building Construction Quality: Fair
Exterior Wall: Aluminum/Vinyl
Building Type: Single Family
Property Information
Subdivision Name: NORTH LINTHICUM
Living Sq. Ft: 1,632
Building Sq. Ft: 1,632
# of Stories: 2
Stories Type: 2
Legal Description: PT LT 1 21 MOUNTAIN RD NORTH LINTHICUM
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,025
Legal Lot Number: 1
Acres: 0.1613
Zoning Code: R5
State Use Description: RESIDENTIAL
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 5
Public facts
Beds: —
Baths: 1.0
Sq. Ft.: 1,632
Stories: 2.0
Lot Size: 7,025 square feet
Style: Single Family Residential
Year Built: 1959
Year Renovated: —
County: Anne Arundel County
APN: 05 57912379100
Home facts updated by county records on Jul 17, 2026
Around this home
Schools
Overlook Elementary School
Public PreK-5 • Assigned • 0.3mi
4/10
Lindale Middle School
Public 6-8 • Assigned • 1.6mi
5/10
North County High School
Public 9-12 • Assigned • 1.7mi
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
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
8/10 Heat Factor
7 days above 103° expected this year, 15 days in 30 years
6/10 Wind Factor
27% chance of strong winds in next 30 years
4/10 Air Factor
5 unhealthy days expected this year, 7 days in 30 years
Provided by First Street
Historical weather
Linthicum, MD • 21090
Average low and high temperatures (°F)
39
24
44
29
62
40
70
50
75
57
86
67
89
73
84
66
79
62
70
48
59
41
45
29
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
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Dec
Sun exposure
In this area, properties receive around 9.2 hours in
June and 4.5 hours in December, placing it below the
U.S. average for solar exposure.
9.2 hrs
4.5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$348,000 – $421,000
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