2401 Riddle Ave is a 2,925 square foot house on a 0.36 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Wilmington data, we estimate the home's value is $787,026.
Single-familyProperty Type
1975Year Built
0.36 acresLot Size
$269Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$787,026
$18K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 1.5% higher than the average sale price ($775K) 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
$6,354 (+45.4%)
$167,500 + $670,500
$838,000
2024
$4,368 (+15.1%)
$167,500 + $670,500
$838,000
2023
$3,796 (−0.5%)
$48,800 + $91,200
$140,000
2022
$3,814 (+0.2%)
$48,800 + $91,200
$140,000
2021
$3,808 (−1.1%)
$48,800 + $91,200
$140,000
2019
$3,850 (+1.0%)
$48,800 + $91,200
$140,000
2018
$3,812 (+0.2%)
$48,800 + $91,200
$140,000
2017
$3,805 (+5.5%)
$48,800 + $91,200
$140,000
2016
$3,606 (+8.1%)
$48,800 + $91,200
$140,000
2015
$3,335 (+9.9%)
$48,800 + $91,200
$140,000
2014
$3,035 (+1.6%)
$48,800 + $91,200
$140,000
2013
$2,988 (+5.4%)
$48,800 + $91,200
$140,000
2012
$2,836
$48,800 + $91,200
$140,000
Tax history for 2401 Riddle Ave
Year
Property tax
Land + Additions
Assessment*
2025
$6,354 (+45.4%)
$167,500 + $670,500
$838,000
2024
$4,368 (+15.1%)
$167,500 + $670,500
$838,000
2023
$3,796 (−0.5%)
$48,800 + $91,200
$140,000
2022
$3,814 (+0.2%)
$48,800 + $91,200
$140,000
2021
$3,808 (−1.1%)
$48,800 + $91,200
$140,000
2019
$3,850 (+1.0%)
$48,800 + $91,200
$140,000
2018
$3,812 (+0.2%)
$48,800 + $91,200
$140,000
2017
$3,805 (+5.5%)
$48,800 + $91,200
$140,000
2016
$3,606 (+8.1%)
$48,800 + $91,200
$140,000
2015
$3,335 (+9.9%)
$48,800 + $91,200
$140,000
2014
$3,035 (+1.6%)
$48,800 + $91,200
$140,000
2013
$2,988 (+5.4%)
$48,800 + $91,200
$140,000
2012
$2,836
$48,800 + $91,200
$140,000
*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
R1
One-Family Detached Dwellings District
The R-1 district, one-family detached dwellings, is designed to protect and maintain those residential areas now developed primarily with one-family detached dwellings on relatively large lots and adjoining vacant areas likely to be developed for such purposes. It will enable the city to continue to provide a restricted type of environment which would otherwise be found only in suburban areas.
Permitted uses
Include but are not limited to:
Religious facility
Housing-Group
Housing-Single unit
Educational/school
Library
Museum / gallery
Cemetery
Park & open space
Feb 28, 2022 • Active
Bldgpermit
Roofing
Aug 17, 2021 • Active
Bldgpermit
Roofing
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 Bathroom Fixtures: 8
Heating & Cooling
Heating Type: Hot Water
Room Information
# of Rooms: 9
Exterior
Exterior Information
Physical Condition: Average
Foundation Type: Slab
Building Style Type: Contemporary
Exterior Wall: Aluminum/Vinyl
Roof Covering Type: Asphalt
Roof Shape Type: Asphalt
Property Information
Subdivision Name: WILMINGTON
Living Sq. Ft: 2,925
Ground Floor Sq. Ft: 2,007
Building Sq. Ft: 2,927
# of Stories: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 15,682
School Tax District: RED CLAY
Municipality Name: WILMINGTON CITY
Acres: 0.36
Depth Footage: 124.6
Front Footage: 125.4
Zoning Code: 26R-1
County Use Description: 1 FAM RES - PLATTED
Financial
Assessor Information
Assessment Year: 2026
Tax District County: WILMINGTON CITY
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 2,925
Stories: 2.0
Lot Size: 0.36 acres
Style: Single Family Residential
Year Built: 1975
Year Renovated: —
County: New Castle County
APN: 2600640051
Home facts updated by county records on Sep 18, 2026
Around this home
Schools
Highlands Elementary School
Public K-5 • Assigned • 0.4mi
2/10
duPont (Alexis I.) Middle School
Public 6-8 • Assigned • 1.3mi
1/10
duPont (Alexis I.) High School
Public 9-12 • Assigned • 2.4mi
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
7/10 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
3/10 Air Factor
2 unhealthy days expected this year, 4 days in 30 years
Provided by First Street
Historical weather
Wilmington, DE • 19806
Average low and high temperatures (°F)
37
23
41
28
59
39
67
48
73
56
84
66
88
71
81
64
79
63
69
50
57
41
43
29
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.1 hours in
June and 4.4 hours in December, placing it below the
U.S. average for solar exposure.
9.1 hrs
4.4 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$748,000 – $906,000
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