OFF MARKET

Off Market Dec 2020 for $225K

$351,974

Est. refi paymentEst. refi $1,784/mo

•

1,776

sq ft

20 S Halstead St, Allentown, PA 18109

About this home

Single-familyProperty Type

1969Year Built

7,680 sq ftLot Size

$198Est. Price/Sq.Ft.

1 car garageParking

Listed by Diane Mertz • Keller Williams Allentown

Bought with Madeline Rodriguez • BetterHomes&GardensRE/Cassidon

Redfin checked: a few seconds ago

•Source:GLVRMLS #648233

$355,228

Updated Dec 8, 2025

Based on recent home sales selected by the homeowner.

SOLD OCT 17, 2025
405 N Halstead St, Allentown, PA 18109
$275,000 Last sold price
A
3 beds1.5 baths1,200 sq ft
405 N Halstead St, Allentown, PA 18109
SOLD NOV 17, 2025
891 N Halstead St, Allentown, PA 18109
$250,000 Last sold price
B
3 beds1 bath1,356 sq ft
891 N Halstead St, Allentown, PA 18109
SOLD JUL 31, 2025
21 S Filbert St, Allentown, PA 18109
$298,000 Last sold price
C
3 beds1.5 baths1,584 sq ft
21 S Filbert St, Allentown, PA 18109
SOLD OCT 3, 2025
427 E Walnut St, Allentown, PA 18109
$228,000 Last sold price
D
3 beds2 baths1,642 sq ft
427 E Walnut St, Allentown, PA 18109
SOLD JUN 20, 2025
936 Turner St, Allentown, PA 18109
$350,000 Last sold price
E
3 beds3 baths2,121 sq ft
936 Turner St, Allentown, PA 18109
SOLD SEP 25, 2025
713 Nelson St, Allentown, PA 18109
$344,900 Last sold price
F
4 beds2 baths1,848 sq ft
713 Nelson St, Allentown, PA 18109

Redfin Estimate

$351,974

$127K since sold in December 2020$11K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 21.5% higher than the average sale price ($290K) of 6 comparable homes.

SOLD JUL 23, 2026
$285,000
A
3 beds2 baths1,962 sq ft
1015 E Hamilton St, Allentown, PA 18109
BOUGHT WITH REDFIN JUL 24, 2026
$345,000
B
4 beds2 baths1,762 sq ft
731 N Kearney St, Allentown, PA 18109
SOLD AUG 18, 2026
$312,000
C
4 beds2 baths1,956 sq ft
833 N Graham St, Allentown, PA 18109
SOLD MAY 28, 2026
$232,500
D
4 beds2 baths1,621 sq ft
334 E Walnut St E, Allentown, PA 18109
SOLD JUN 29, 2026
$288,000
E
4 beds2.5 baths1,457 sq ft
501 E Mosser St, Allentown, PA 18109
SOLD JUL 15, 2026
$275,000
F
5 beds2 baths1,684 sq ft
1058 E Gordon St, Allentown, PA 18109

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Sell

$169,686

Est. take-home

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Est. cash available

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Rent

$2,866/mo

Redfin rental estimate

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Market trends in 18109, PA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.1%

0.0% MoM

Median sale price

$284K

$6K MoM

Avg. days on market

0 days MoM

Recently sold homes

2 MoM

New listings for sale

OPEN SUN, 1PM TO 3PM
$274,900
3 beds1 bath1,280 sq ft
724 N Lacrosse St, Allentown, PA 18109
3D WALKTHROUGH
$240,000
2 beds1 bath1,285 sq ft
1147 E Congress St, Allentown, PA 18109
$349,900
3 beds1.5 baths— sq ft
849 E Union, Allentown, PA 18109
(610) 373-9900
$249,000
3 beds2 baths1,414 sq ft
230 E Fairview St, Allentown, PA 18109
$275,000
3 beds1.5 baths1,491 sq ft
413 E Mosser St, Allentown, PA 18109
3D WALKTHROUGH
$229,999
3 beds1 bath1,000 sq ft
256 E Walnut, Allentown, PA 18109
3D WALKTHROUGH
$264,900
3 beds1 bath842 sq ft
205 N Irving St, Allentown, PA 18109
OPEN SUN, 12PM TO 2PM
$275,000
3 beds1.5 baths1,440 sq ft
269 E Mosser, Allentown, PA 18109
See all

Provided by Redfin

Sale history for 20 S Halstead St

Year

Property tax

Land + Additions

Assessment*

2026

$5,147 (+0.9%)

$24,200 + $126,100

$150,300

2025

$5,103 (−32.0%)

$24,200 + $126,100

$150,300

2024

$7,509

$24,200 + $126,100

$150,300

2023

$7,509 (+52.3%)

$24,200 + $126,100

$150,300

2022

$4,931 (+1.9%)

$24,200 + $126,100

$150,300

2021

$4,837 (+2.6%)

$24,200 + $126,100

$150,300

2020

$4,716 (+1.6%)

$24,200 + $126,100

$150,300

2019

$4,643 (+7.9%)

$24,200 + $126,100

$150,300

2018

$4,303 (+2.5%)

$24,200 + $126,100

$150,300

2017

$4,198 (−31.1%)

$24,200 + $126,100

$150,300

2015

$6,093

$24,200 + $126,100

$150,300

Tax history for 20 S Halstead St

Year

Property tax

Land + Additions

Assessment*

2026

$5,147 (+0.9%)

$24,200 + $126,100

$150,300

2025

$5,103 (−32.0%)

$24,200 + $126,100

$150,300

2024

$7,509

$24,200 + $126,100

$150,300

2023

$7,509 (+52.3%)

$24,200 + $126,100

$150,300

2022

$4,931 (+1.9%)

$24,200 + $126,100

$150,300

2021

$4,837 (+2.6%)

$24,200 + $126,100

$150,300

2020

$4,716 (+1.6%)

$24,200 + $126,100

$150,300

2019

$4,643 (+7.9%)

$24,200 + $126,100

$150,300

2018

$4,303 (+2.5%)

$24,200 + $126,100

$150,300

2017

$4,198 (−31.1%)

$24,200 + $126,100

$150,300

2015

$6,093

$24,200 + $126,100

$150,300

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

Public record

Public record
Zoning

Beds

Baths

Stories

Lot width

64 ft.

Lot depth

120 ft.

Lot size

7,680

Year renovated

2022

Sq. Ft.

1,776

Year built

1969

Style

Single Family Residential

County

Lehigh County

APN

640793187698 1

Parking Spaces

Basement

Yes

Accessible

HOA Dues

—

Garage

Yes

Features

Pool

Last updated by owner on Jun 13, 2024.

R-ML

Medium Low Density Residential District

The purpose of this district is to provide for primarily residential development at a generally medium-low density, while protecting these areas from incompatible uses. Similar to the R-L, this district provides for residential neighborhoods composed of single-family detached homes at a low density.

Permitted uses

Include but are not limited to:

Agriculture
Housing-Single unit
Housing-Student
Infrastructure
Park & open space

Property details

Parking

Garage/Carport Information
Has Garage
Yes
# of Garage Spaces: 1

Parking
Features: Attached, Garage, Off Street, On Street, Garage Door Opener

Interior

Bathroom Information
# of Full Bathrooms: 2

Room Information
# of Rooms (Total): 9
Has Basement
Basement Information: Daylight, Exterior Entry, Full, Finished, Other, Walk-Out Access

Room 1 Information
Laundry
Level: Lower
Dimensions: 11.00 x 9.70
Length: 11.0
Width: 9.7

Room 2 Information
Full Bath
Level: Lower
Dimensions: 9.20 x 6.40
Length: 9.2
Width: 6.4

Room 3 Information
Family Room
Level: Lower
Dimensions: 24.00 x 13.20
Length: 24.0
Width: 13.2

Room 4 Information
Bedroom
Level: Lower
Dimensions: 10.50 x 9.90
Length: 10.5
Width: 9.9

Room 5 Information
Bedroom
Level: First
Dimensions: 10.30 x 9.40
Length: 10.3
Width: 9.4

Room 6 Information
Bedroom
Level: First
Dimensions: 11.70 x 9.70
Length: 11.7
Width: 9.7

Room 7 Information
Primary Bedroom
Level: First
Dimensions: 13.60 x 12.00
Length: 13.6
Width: 12.0

Room 8 Information
Full Bath
Level: First
Dimensions: 13.20 x 7.60
Length: 13.2
Width: 7.6

Room 9 Information
Kitchen
Level: First
Dimensions: 13.20 x 12.00
Length: 13.2
Width: 12.0

Room 10 Information
Dining Room
Level: First
Dimensions: 14.00 x 9.20
Length: 14.0
Width: 9.2

Room 11 Information
Living Room
Level: First
Dimensions: 14.00 x 13.70
Length: 14.0
Width: 13.7

Laundry Information
Features: Lower Level

Equipment
Appliances: Dishwasher, Electric Oven, Electric Water Heater, Oven, Range, Refrigerator

Interior Features
Window Features: Drapes
Door Features: Storm Door(s)
Flooring: Carpet, Linoleum
Other Features: Separate/Formal Dining Room, Family Room Lower Level, Mud Room, Utility Room

Exterior

Building Information
Stories: 2
Stories (Total): 2
Roof Details: Asphalt, Fiberglass
Construction Details: Aluminum Siding, Brick, Wood Siding

Exterior Features
Exterior Features: Deck, Patio

Lot Information
Lot Size Area: 7,680
Lot Size Acres: 0.176
Lot Size Source: Public Records
Lot Features: Corner Lot
Zoning: Residential

Property Information
Above Grade Finished Area: 1,776

Financial

Assessments and Fees
Assessed Value: $150,300

Tax Information
Annual Tax Amount: $4,837

Utilities

Utility Information
Sewer: Public Sewer
Water Source: Public

Heating & Cooling
Has Cooling
Cooling: Wall Unit(s)
Has Heating
Heating: Baseboard, Electric

Location

Community Information
Community Features: Curbs, Sidewalks

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,776
Stories: —
Parking Spaces: 1
Basement: Yes
Accessible: No
Lot Size: 7,680 square feet
Style: Single Family Residential
Year Built: 1969
Year Renovated: 2022
County: Lehigh County
APN: 640793187698 1
HOA Dues: —
Garage: Yes
Features: Pool

Home facts updated by owner on Jun 13, 2024

Around this home

Schools

Mosser Elementary School

Public K-5 • Assigned • 0.2mi

4/10

Harrison-Morton Middle School

Public 6-8 • Assigned • 1.0mi

4/10

Louis E Dieruff High School

Public 9-12 • Assigned • 0.7mi

2/10

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

4/10 Heat Factor

7 days above 100° expected this year, 14 days in 30 years

4/10 Wind Factor

16% chance of strong winds in next 30 years

4/10 Air Factor

3 unhealthy days expected this year, 6 days in 30 years

Provided by First Street

Historical weather

Allentown, PA • 18109

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 8.9 hours in June and 3.9 hours in December, placing it below the U.S. average for solar exposure.

8.9 hrs

3.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$335,000 – $405,000

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Nearby similar homes

SHORT SALE

$270,000

3 beds1 bath1,232 sq ft

226 N Graham St, Allentown, PA 18109

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(215) 396-8117

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Land— sq ft

806 Quincy St #802, Allentown, PA 18109

FOR SALE BY OWNER

$180,000

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174 W Gordon St, Allentown, PA 18102

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5 beds2 baths4,178 sq ft

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New listings for sale in 18109

OPEN SUN, 1PM TO 3PM

$274,900

3 beds1 bath1,280 sq ft

724 N Lacrosse St, Allentown, PA 18109

3D WALKTHROUGH

$240,000

2 beds1 bath1,285 sq ft

1147 E Congress St, Allentown, PA 18109

$349,900

3 beds1.5 baths— sq ft

849 E Union, Allentown, PA 18109

(610) 373-9900

$249,000

3 beds2 baths1,414 sq ft

230 E Fairview St, Allentown, PA 18109

$275,000

3 beds1.5 baths1,491 sq ft

413 E Mosser St, Allentown, PA 18109

3D WALKTHROUGH

$229,999

3 beds1 bath1,000 sq ft

256 E Walnut, Allentown, PA 18109

3D WALKTHROUGH

$264,900

3 beds1 bath842 sq ft

205 N Irving St, Allentown, PA 18109

OPEN SUN, 12PM TO 2PM

$275,000

3 beds1.5 baths1,440 sq ft

269 E Mosser, Allentown, PA 18109

Home values near 20 S Halstead St

Data from public records.

Address	Redfin Estimate
122 South Halstead St, Allentown, PA 3 Beds \| 1 Baths \| 1280 Sq. Ft.	$304,591
104 South Halstead St Apartment 102, Allentown, PA 3 Beds \| 2.5 Baths \| 1677 Sq. Ft.	$331,587

Address	Redfin Estimate
114 South Halstead St, Allentown, PA 2 Beds \| 1 Baths \| 1432 Sq. Ft.	$302,286
17 South Halstead St, Allentown, PA 4 Beds \| 2 Baths \| 3120 Sq. Ft.	$387,583

Address	Redfin Estimate
112 South Halstead St, Allentown, PA 3 Beds \| 1.5 Baths \| 1254 Sq. Ft.	$275,271
11 South Halstead St, Allentown, PA 2 Beds \| 1.5 Baths \| 1650 Sq. Ft.	$288,401

Property information provided by GLVRMLS when last listed in 2020. This data may not show owner updates. Learn more.

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