21 Williams Ave is a 840 square foot house on a 6,299 square foot lot. - it last sold on May 03, 2012 for $587,500.
Single-familyProperty Type
1963Year Built
6,299 sq ftLot Size
$699Price/Sq.Ft.
Source:Public Records
Redfin Estimate
Unfortunately, we don't have enough data to generate an accurate Estimate at this time.
Earn from this home
Rent
$1,671/mo
Redfin rental estimate
List your home for rent
Market trends in 08248, NJ
Last updated October 2026
Sale-to-list price
96.3%
+0.7% MoM
Median sale price
$1.9M
$238K MoM
Avg. days on market
83d
34 days MoM
Recently sold homes
1
3 MoM
Provided by Redfin
Sale history for 21 Williams Ave
Date
Event
Price
Public Records
May 3, 2012
Sold
$587,500
$699/sq ft
Public Records
Oct 9, 2004
Sold
$930,000
$1,107/sq ft
SJSRMLS #240970
Jun 11, 2004
Sold
$800,100
$953/sq ft
May 12, 2004
Listing Removed
—
Mar 8, 2004
Listed
$799,900
$952/sq ft
Incredible Beach & Bay Views from the Decks. .58 short steps and you are "On the Beach"! Does it get much better than that? Sweet 2BR, 1BA sits high and dry! Room to Expand! Huge 60X105 lot! This one will go quickly! Call for Appt!
Year
Property tax
Land + Additions
Assessment*
2025
$13,306 (+5.3%)
$538,700 + $30,400
$569,100
2024
$12,640 (+5.3%)
$538,700 + $30,400
$569,100
2023
$12,002 (+3.5%)
$538,700 + $30,400
$569,100
2022
$11,598 (+3.8%)
$538,700 + $30,400
$569,100
2021
$11,171 (+3.9%)
$538,700 + $30,400
$569,100
2020
$10,750 (+2.5%)
$538,700 + $30,400
$569,100
2019
$10,489 (+2.7%)
$538,700 + $30,400
$569,100
2018
$10,215 (+1.1%)
$538,700 + $30,400
$569,100
2017
$10,102 (−1.5%)
$538,700 + $30,400
$569,100
2016
$10,255 (+21.8%)
$538,700 + $30,400
$569,100
2014
$8,418
$550,000 + $37,500
$587,500
Tax history for 21 Williams Ave
Year
Property tax
Land + Additions
Assessment*
2025
$13,306 (+5.3%)
$538,700 + $30,400
$569,100
2024
$12,640 (+5.3%)
$538,700 + $30,400
$569,100
2023
$12,002 (+3.5%)
$538,700 + $30,400
$569,100
2022
$11,598 (+3.8%)
$538,700 + $30,400
$569,100
2021
$11,171 (+3.9%)
$538,700 + $30,400
$569,100
2020
$10,750 (+2.5%)
$538,700 + $30,400
$569,100
2019
$10,489 (+2.7%)
$538,700 + $30,400
$569,100
2018
$10,215 (+1.1%)
$538,700 + $30,400
$569,100
2017
$10,102 (−1.5%)
$538,700 + $30,400
$569,100
2016
$10,255 (+21.8%)
$538,700 + $30,400
$569,100
2014
$8,418
$550,000 + $37,500
$587,500
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
RR
Resort Residential District
The purpose of the RR Resort Districts are to provide for development specifically related to the barrier beach community of Strathmere and Whale Beach. The purpose of the RR District is to provide for the continuance of single-family dwellings on Strathmere and Whale Beach. Building coverages, floor area ratios and heights are utilized to ensure the scale of the residential structures maintain the charm of Strathmere and Whale Beach and not result in larger structures.
Permitted uses
Include but are not limited to:
Religious facility
Housing-Single unit
Cemetery
Park & open space
Property details
Exterior
Exterior Information
Exterior Wall: Frame
Property Information
Subdivision Name: BRIGHTON SHORES PLAN
Living Sq. Ft: 840
# of Stories: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,299
Legal Lot Number: 12
Legal Block Number: 853
Acres: 0.1446
Depth Footage: 105
Front Footage: 60
Zoning Code: RR
State Use Description: RESIDENTIAL
Financial
Assessor Information
Assessment Year: 2026
Tax District County: UPPER TOWNSHIP
Public facts
Beds: —
Baths: —
Sq. Ft.: 840
Stories: 1.0
Lot Size: 6,299 square feet
Style: Single Family Residential
Year Built: 1963
Year Renovated: —
County: Cape May County
APN: 1100853 00012
Home facts updated by county records on Apr 14, 2026
Around this home
Schools
Upper Township Elementary School
Public 3-5 • Assigned • 4.9mi
7/10
Upper Twp Middle School
Public 6-8 • Assigned • 6.1mi
5/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
9/10 Flood Factor
Estimated 80%+ chance 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 96° expected this year, 17 days in 30 years
8/10 Wind Factor
80% chance of strong winds in next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 2 days in 30 years
Provided by First Street
Historical weather
Strathmere, NJ • 08248
Average low and high temperatures (°F)
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84
72
78
66
74
64
66
51
57
42
44
30
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Feb
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May
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Sun exposure
In this area, properties receive around 8.9 hours in
June and 4.5 hours in December, placing it below the
U.S. average for solar exposure.
8.9 hrs
4.5 hrs
JuneDecember
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