Google street view image for 21 Blacksnake Rd, Duncannon, PA 17020

Off market jul 2018 for $459K

$453,158

Est. refi paymentEst. refi $2,498/mo

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•

— ba

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3,322

sq ft

21 Blacksnake Rd, Duncannon, PA 17020

About this home

21 Blacksnake Rd is a 3,322 square foot house on a 1.37 acre lot. - it last sold on July 02, 2018 for $459,000. Based on Redfin's Duncannon data, we estimate the home's value is $453,158.

Single-familyProperty Type

1978Year Built

1.37 acresLot Size

$136Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$453,158

$5,842 since sold in July 2018$6,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 14.6% higher than the average sale price ($396K) of 6 comparable homes.

SOLD JUN 16, 2026
$380,000
A
4 beds2 baths2,156 sq ft
155 Huggins Rd, Duncannon, PA 17020
SOLD SEP 30, 2026
$565,000
B
5 beds3 baths3,371 sq ft
369 Dunkel School Rd, Halifax, PA 17032
SOLD SEP 25, 2026
$475,000
C
4 beds2.5 baths2,216 sq ft
312 Barley Dr, Duncannon, PA 17020
SOLD FEB 26, 2026
$311,200
D
3 beds— baths2,686 sq ft
17 Pinetree Dr, Duncannon, PA 17020
SOLD APR 24, 2026
$287,000
E
4 beds3 baths2,548 sq ft
3244 Susquehanna Trl Trl, Duncannon, PA 17020
SOLD APR 28, 2026
$355,000
F
3 beds2 baths2,168 sq ft
25 Basin Hill Rd, Duncannon, PA 17020

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Earn from this home

Refinance

Est. cash available

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Market trends in 17020, PA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.5%

+0.6% MoM

Median sale price

$313K

$25K MoM

Avg. days on market

15d

4 days MoM

Recently sold homes

2 MoM

New listings for sale

NEW 30 HRS AGO
$49,900
2 beds1 bath1,024 sq ft
29 Front N, Duncannon, PA 17020
(717) 902-9474
$179,900
2 beds2 baths1,136 sq ft
122 N High St, Duncannon, PA 17020
(717) 755-5599
See all

Provided by Redfin

Sale history for 21 Blacksnake Rd

Year

Property tax

Land + Additions

Assessment*

2026

$4,842 (−12.4%)

$38,700 + $254,200

$292,900

2025

$5,527 (+3.1%)

$38,700 + $254,200

$292,900

2024

$5,360 (+0.5%)

$38,700 + $254,200

$292,900

2023

$5,334 (−1.8%)

$38,700 + $254,200

$292,900

2022

$5,434 (+0.9%)

$38,700 + $254,200

$292,900

2021

$5,385 (+6.5%)

$38,700 + $254,200

$292,900

2020

$5,056 (+0.3%)

$38,700 + $254,200

$292,900

2019

$5,038 (+0.6%)

$38,700 + $254,200

$292,900

2018

$5,008 (+8.1%)

$38,700 + $254,200

$292,900

2017

$4,633 (+5.1%)

$30,800 + $240,400

$271,200

2015

$4,410

$30,800 + $240,400

$271,200

Tax history for 21 Blacksnake Rd

Year

Property tax

Land + Additions

Assessment*

2026

$4,842 (−12.4%)

$38,700 + $254,200

$292,900

2025

$5,527 (+3.1%)

$38,700 + $254,200

$292,900

2024

$5,360 (+0.5%)

$38,700 + $254,200

$292,900

2023

$5,334 (−1.8%)

$38,700 + $254,200

$292,900

2022

$5,434 (+0.9%)

$38,700 + $254,200

$292,900

2021

$5,385 (+6.5%)

$38,700 + $254,200

$292,900

2020

$5,056 (+0.3%)

$38,700 + $254,200

$292,900

2019

$5,038 (+0.6%)

$38,700 + $254,200

$292,900

2018

$5,008 (+8.1%)

$38,700 + $254,200

$292,900

2017

$4,633 (+5.1%)

$30,800 + $240,400

$271,200

2015

$4,410

$30,800 + $240,400

$271,200

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

Property details

Exterior

Exterior Information
Building Type: Single Family

Property Information
Living Sq. Ft: 3,322
# of Stories: 2
Stories Type: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 59,677
Legal Lot Number: 1,5,$
School Tax District: NEWPORT
Municipality Name: WATTS TWP
Acres: 1.37
Zoning Code: RUR
County Use Description: RESIDENTIAL 1 FAMILY

Utility Information
Sewer Type: Septic
Water Service Type: Well

Financial

Assessor Information
Assessment Year: 2026
Tax District County: WATTS TOWNSHIP

Public facts

Beds: —
Baths: —
Sq. Ft.: 3,322
Stories: 2.0
Lot Size: 1.37 acres
Style: Single Family Residential
Year Built: 1978
Year Renovated: 1990
County: Perry County
APN: 280,077.00-039.000

Home facts updated by county records on Sep 8, 2026

Around this home

Schools

Susquenita El School

Public K-4 • Assigned • 6.9mi

4/10

Susquenita Middle School

Public 5-8 • Assigned • 6.9mi

5/10

Susquenita High School

Public 9-12 • Assigned • 7.1mi

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

3/10 Fire Factor

0.31% chance of being in a wildfire in next 30 years

5/10 Heat Factor

7 days above 100° expected this year, 16 days in 30 years

2/10 Wind Factor

4% chance of strong winds in next 30 years

1/10 Air Factor

0 unhealthy days expected this year, 0 days in 30 years

Provided by First Street

Historical weather

Duncannon, PA • 17020

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 9.4 hours in June and 3.7 hours in December, placing it below the U.S. average for solar exposure.

9.4 hrs

3.7 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$431,000 – $522,000

Sell confidently with a local market expert in Duncannon. 3 minutes to get started.

Nearby similar homes

$55,000

3 beds2 baths1,032 sq ft

16 Siding Ln, Millersburg, PA 17061

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(717) 761-4800

NEW CONSTRUCTION

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38 S Elmer Ave, Halifax, PA 17032

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3 beds1 bath1,334 sq ft

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3 beds2 baths1,268 sq ft

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New listings for sale in 17020

NEW 30 HRS AGO

$49,900

2 beds1 bath1,024 sq ft

29 Front N, Duncannon, PA 17020

(717) 902-9474

$179,900

2 beds2 baths1,136 sq ft

122 N High St, Duncannon, PA 17020

(717) 755-5599

Home values near 21 Blacksnake Rd

Data from public records.

Address	Redfin Estimate
34 Blacksnake Road, Duncannon, PA - Beds \| - Baths \| 1976 Sq. Ft.	$313,007
28 Blacksnake Road, Duncannon, PA - Beds \| - Baths \| 1120 Sq. Ft.	$252,182

Address	Redfin Estimate
40 Blacksnake Road, Duncannon, PA - Beds \| - Baths \| 972 Sq. Ft.	$208,643
24 Blacksnake Road, Duncannon, PA 3 Beds \| 2 Baths \| 1600 Sq. Ft.	$395,338

Address	Redfin Estimate
30 Blacksnake Road, Duncannon, PA - Beds \| - Baths \| 1276 Sq. Ft.	$280,542
11 Blacksnake Road, Duncannon, PA 4 Beds \| 3.5 Baths \| 5059 Sq. Ft.	$668,662

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 17020, PA

Sale history for 21 Blacksnake Rd

Tax history for 21 Blacksnake Rd

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 17020

Home values near 21 Blacksnake Rd

More real estate resources