621 Old County Rd is a 1,688 square foot house on a 0.31 acre lot with 1.5 bathrooms. - it last sold on February 19, 1997 for $178,900. Based on Redfin's Severna Park data, we estimate the home's value is $706,445.
Single-familyProperty Type
1961Year Built
0.31 acresLot Size
$419Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$706,445
$528K since sold in February 1997$1,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 11.9% higher than the average sale price ($632K) 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
Apr 3, 2025 • Final
Electrical
Electrical
Generator
Apr 3, 2025 • Final
Gas
Gas
Generator
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: 400
Basement Finish: Finished
Basement Type: Finished
Bathroom Information
# of Full Baths: 1
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Baseboard Hot Water
Fireplace Information
# of Fireplaces: 1
Fireplace Type: 2 Story Brick
Has Fireplace
Exterior
Exterior Information
Building Style Type: Split Foyer
Building Construction Quality: Fair
Exterior Wall: Aluminum/Vinyl
Building Type: Single Family
Property Information
Subdivision Name: ROUND BAY
Living Sq. Ft: 1,688
Building Sq. Ft: 1,688
# of Stories: 1
Stories Type: Split Foyer
Legal Description: LT 6 621 OLD COUNTY RD ROUND BAY
Lot Information
# of Buildings: 1
Land Sq. Ft: 13,400
Legal Lot Number: 6
Acres: 0.3076
Zoning Code: R2
State Use Description: RESIDENTIAL
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Tax District County: 3
Public facts
Beds: —
Baths: 1.5
Sq. Ft.: 1,688
Stories: 1.0
Lot Size: 0.31 acres
Style: Single Family Residential
Year Built: 1961
Year Renovated: —
County: Anne Arundel County
APN: 03 69702234200
Home facts updated by county records on Jul 17, 2026
Around this home
Schools
Jones Elementary School
Public K-5 • Assigned • 0.2mi
9/10
Severna Park Middle School
Public 6-8 • Assigned • 3.2mi
10/10
Severna Park High School
Public 9-12 • Assigned • 1.6mi
10/10
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 105° expected this year, 15 days in 30 years
6/10 Wind Factor
60% 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
Severna Park, MD • 21146
Average low and high temperatures (°F)
38
23
43
28
60
39
69
49
74
56
84
66
88
72
81
64
78
62
69
48
58
40
44
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 4.6 hours in December, which is comparable to the
U.S. average for solar exposure.
9.3 hrs
4.6 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$672,000 – $813,000
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