Google street view image for 21 Mill Rd, Wilmington, DE 19804

OFF MARKET

$237,987

•

1 ba

•

334

sq ft

21 Mill Rd, Wilmington, DE 19804

About this home

21 Mill Rd is a 334 square foot house on a 0.3 acre lot with 1 bedroom and 1 bathroom. Based on Redfin's Wilmington data, we estimate the home's value is $237,987.

Single-familyProperty Type

1968Year Built

0.3 acresLot Size

$713Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$237,987

$11K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 19.9% lower than the average sale price ($297K) of 6 comparable homes.

SOLD AUG 31, 2026
$310,000
A
3 beds1 bath1,025 sq ft
1909 Windermere Ave, Wilmington, DE 19804
SOLD AUG 20, 2026
$299,900
B
3 beds1 bath1,125 sq ft
301 Decalb Ave, Wilmington, DE 19804
SOLD JUN 26, 2026
$350,000
C
3 beds1 bath1,625 sq ft
2311 Sherman Ave, Wilmington, DE 19804
SOLD JUN 1, 2026
$305,000
D
2 beds1 bath1,100 sq ft
3705 Kiamensi Ave, Wilmington, DE 19808
SOLD NOV 17, 2025
$267,500
E
2 beds1 bath900 sq ft
806 Woodland Ave, Wilmington, DE 19808
SOLD JUL 30, 2026
$250,000
F
3 beds1.5 baths1,500 sq ft
1727 Limestone Rd, Wilmington, DE 19804

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Earn from this home

Sell

$222,242

Est. take-home

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Rent

$1,510/mo

Redfin rental estimate

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Market trends in 19804, DE

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.7%

+0.5% MoM

Median sale price

$323K

$5K MoM

Avg. days on market

18d

8 days MoM

Recently sold homes

2 MoM

New listings for sale

OPEN SAT, 11AM TO 1PM
$399,999
4 beds2.5 baths1,700 sq ft
112 Hayden Ave, Wilmington, DE 19804
(302) 738-2300
$254,900
3 beds1 bath900 sq ft
100 Silview Ave, Wilmington, DE 19804
(302) 442-4200
$315,000
2 beds2 baths— sq ft
24 Fleetwood Ct #31, Wilmington, DE 19804
(484) 800-1777
$349,900
3 beds1.5 baths1,450 sq ft
1611 Willow Ave, Wilmington, DE 19804
(888) 543-4829
$389,900
3 beds1.5 baths1,350 sq ft
11 W Redmont Rd, Wilmington, DE 19804
(302) 738-2300
See all

Provided by Redfin

Sale history for 21 Mill Rd

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2025

$1,833 (+55.2%)

$64,900 + $227,300

$292,200

2024

$1,181 (+21.7%)

$64,900 + $227,300

$292,200

2023

$971 (+0.1%)

$18,200 + $33,100

$51,300

2022

$969 (−9.2%)

$18,200 + $33,100

$51,300

2021

$1,067 (−0.4%)

$18,200 + $33,100

$51,300

2020

$1,072 (+0.3%)

$18,200 + $33,100

$51,300

2019

$1,069 (+1.5%)

$18,200 + $33,100

$51,300

2018

$1,053 (+0.3%)

$18,200 + $33,100

$51,300

2017

$1,050 (+20.2%)

$18,200 + $33,100

$51,300

2016

$873 (+12.9%)

$18,200 + $33,100

$51,300

2015

$773 (+8.9%)

$18,200 + $33,100

$51,300

2014

$710 (+1.9%)

$18,200 + $33,100

$51,300

2013

$697 (+4.0%)

$18,200 + $33,100

$51,300

2012

$670

$18,200 + $33,100

$51,300

Tax history for 21 Mill Rd

Year

Property tax

Land + Additions

Assessment*

2025

$1,833 (+55.2%)

$64,900 + $227,300

$292,200

2024

$1,181 (+21.7%)

$64,900 + $227,300

$292,200

2023

$971 (+0.1%)

$18,200 + $33,100

$51,300

2022

$969 (−9.2%)

$18,200 + $33,100

$51,300

2021

$1,067 (−0.4%)

$18,200 + $33,100

$51,300

2020

$1,072 (+0.3%)

$18,200 + $33,100

$51,300

2019

$1,069 (+1.5%)

$18,200 + $33,100

$51,300

2018

$1,053 (+0.3%)

$18,200 + $33,100

$51,300

2017

$1,050 (+20.2%)

$18,200 + $33,100

$51,300

2016

$873 (+12.9%)

$18,200 + $33,100

$51,300

2015

$773 (+8.9%)

$18,200 + $33,100

$51,300

2014

$710 (+1.9%)

$18,200 + $33,100

$51,300

2013

$697 (+4.0%)

$18,200 + $33,100

$51,300

2012

$670

$18,200 + $33,100

$51,300

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Property details

Interior

Basement Information
Basement Type: Unfinished

Bathroom Information
# of Full Baths: 1
# of Bathroom Fixtures: 5

Heating & Cooling
Heating Type: Hot Water

Room Information
# of Rooms: 2

Exterior

Exterior Information
Physical Condition: Average
Foundation Type: Slab
Building Style Type: Old
Exterior Wall: Wood Siding
Roof Covering Type: Asphalt
Roof Shape Type: Gable

Property Information
Living Sq. Ft: 334
Ground Floor Sq. Ft: 334
Building Sq. Ft: 334
# of Stories: 1

Lot Information
# of Buildings: 2
Land Sq. Ft: 13,068
Legal Lot Number: 16-19
Legal Block Number: 69
School Tax District: RED CLAY
Municipality Name: MILL CREEK HUNDRED
Acres: 0.3
Depth Footage: 126
Front Footage: 100
Zoning Code: NC6.5
County Use Description: 1 FAM RES - PLATTED

Financial

Assessor Information
Assessment Year: 2026
Tax District County: MILL CREEK HUNDRED

Public facts

Beds: 1
Baths: 1.0
Sq. Ft.: 334
Stories: 1.0
Lot Size: 0.3 acres
Style: Single Family Residential
Year Built: 1968
Year Renovated: —
County: New Castle County
APN: 0805040039

Home facts updated by county records on Jul 1, 2026

Around this home

Schools

Forest Oak Elementary School

Public K-5 • Assigned • 1.9mi

5/10

Stanton Middle School

Public 6-8 • Assigned • 0.3mi

3/10

Dickinson (John) High School

Public 6-12 • Assigned • 1.9mi

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

2/10 Fire Factor

0.00% chance of being in a wildfire in next 30 years

7/10 Heat Factor

7 days above 102° 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

3 unhealthy days expected this year, 4 days in 30 years

Provided by First Street

Historical weather

Wilmington, DE • 19804

Average low and high temperatures (°F)

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

$227,000 – $274,000

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Nearby similar homes

FOR SALE BY OWNER

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3 beds2 baths— sq ft

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3 beds1 bath950 sq ft

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(888) 543-4829

New listings for sale in 19804

OPEN SAT, 11AM TO 1PM

$399,999

4 beds2.5 baths1,700 sq ft

112 Hayden Ave, Wilmington, DE 19804

(302) 738-2300

$254,900

3 beds1 bath900 sq ft

100 Silview Ave, Wilmington, DE 19804

(302) 442-4200

$315,000

2 beds2 baths— sq ft

24 Fleetwood Ct #31, Wilmington, DE 19804

(484) 800-1777

$349,900

3 beds1.5 baths1,450 sq ft

1611 Willow Ave, Wilmington, DE 19804

(888) 543-4829

$389,900

3 beds1.5 baths1,350 sq ft

11 W Redmont Rd, Wilmington, DE 19804

(302) 738-2300

Home values near 21 Mill Rd

Data from public records.

Address	Redfin Estimate
18 Mill Rd, Wilmington, DE 4 Beds \| 2 Baths \| 2575 Sq. Ft.	$372,918
26 Mill Rd, Wilmington, DE 4 Beds \| 1 Baths \| 1326 Sq. Ft.	$307,109

Address	Redfin Estimate
16 Mill Rd, Wilmington, DE 3 Beds \| 1 Baths \| 1184 Sq. Ft.	$311,230
23 Mill Rd, Wilmington, DE 3 Beds \| 1 Baths \| 1450 Sq. Ft.	$314,707

Address	Redfin Estimate
30 Mill Rd, Wilmington, DE 3 Beds \| 1 Baths \| 1525 Sq. Ft.	$316,085
29 Mill Rd, Wilmington, DE 3 Beds \| 2.5 Baths \| - Sq. Ft.	$382,312

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