New York City  »  10308  »  William Ave  »  20 William Ave

20 William Avenue, Staten Island, NY 10308 - Property report

Also known as: 20 William Ave

Property image for 20 William Avenue, Staten Island, NY 10308
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Property type

Two Stories Detached (Small or Moderate Size, with or without Attic) (A1)

Year built

1930

Lot sq. ft.

2,106

General information

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Address
Primary address
20 William Avenue
ZIP code
10308
Neighborhood
Great Kills
Borough
Staten island
Block & lot
05282-0060

Owner

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Building
Property type
Two Stories Detached (Small or Moderate Size, with or without Attic) (A1)
Building sq. ft.
1,652
Building dimensions
22 ft x 40 ft
Buildings on lot
1
Stories
2
Year built
1930
Last altered
1995
Building material
Brick
Exterior wall
Stucco
Basement
4
Tax
Tax year
2026-2027
Property tax
$7,139
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
1
Residential sq. ft.
Commercial units
0
Office sq. ft.
Retail sq. ft.
Lot
Frontage(s)
William Avenue (narrow)
Russell Street (narrow)
Nearest wide street
Hylan Boulevard
Distance to wide street
Lot dimensions
26 ft x 81 ft
Lot sq. ft.
2,106

Area overview

Walk score
70 /100.  Very Walkable
Transit score
63 /100.  Good Transit
Bike score
51 /100.  Bikeable
School district
31
Community district
3
Closest police station
1.75 Miles
Closest fire station
0.33 Miles

View more such as transportation, nearby schools and risk designations.

Ownership information for 20 William Avenue, Staten Island, NY

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Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address

Sales history for 20 William Avenue, Staten Island, NY 10308

No recently recorded sales for this property.

More about New York City property records.

Title documents

No recently recorded documents for this property.

Property taxes for 20 William Avenue, Staten Island, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Property tax
$7,139
Municipal exemptions
Recent tax assessments
Market value
$801,000
Assessed value
$48,060

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Taxable amount Tax rate Base tax Property tax Y-o-Y change
2025/26 $785,000 $47,100 $35,657 19.843% $7,075 $7,075 +4.72%
2024/25 $688,000 $41,280 $33,640 20.085% $6,757 $6,757 +5.62%
2023/24 $702,000 $42,120 $31,849 20.085% $6,397 $6,397 +1.83%
2022/23 $639,000 $38,340 $30,931 20.309% $6,282 $6,282 +4.96%
2021/22 $633,000 $37,980 $29,981 19.963% $5,985 $5,985 -4.29%
2020/21 $553,000 $33,180 $29,714 21.045% $6,253 $6,253 +5.39%
2019/20 $600,000 $36,000 $28,033 21.167% $5,934 $5,934 +6.87%
2018/19 $503,000 $30,180 $26,541 20.919% $5,552 $5,552 +5.67%
2017/18 $477,000 $28,620 $25,776 20.385% $5,254 $5,254 +5.20%
2016/17 $505,000 $30,300 $24,984 19.991% $4,995 $4,995 +3.15%

Permit information for 20 William Avenue, Staten Island, NY

Filing date Job type Job status Job description Initial cost
06/09/1995 Alteration type 1
10/04/1994 Alteration type 1

*Most recent permits on record for this property.

More about New York City property records

HPD Violations

No recently recorded violations for this property.

Great Kills residential market stats

Access a detailed real estate market overview of Great Kills so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Great Kills and compare it to other neighborhoods in Staten Island.

Median sale price

$717,500

-4.3% Y-o-Y

Median price/sq. ft.

$479

5.9% Y-o-Y

Staten Island median sale price

$730,000

2.8% Y-o-Y

Check out recently sold homes in Staten Island and see how their prices compare.

Risk

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FEMA flood zones

Property location map
FEMA flood zones
X

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
5

Subway & traffic

Closest station
Nelson Av & Brower St at NE Corner
Station lines
SIR
Distance (miles)
0.865

Access the detailed traffic volume map for 20 William Avenue, Staten Island, NY 10308 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity. View daily traffic map

Schools

Nearest elementary schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
P.S. 8 Shirlee Solomon 9 Yes Public PK, K-5 536 0.64
P.S. 8 Shirlee Solomon 9 Yes Public PK, K-5 536 0.64
St Clare School NR No Private PK-8 0 0.56
St Clare School NR No Private PK-8 0 0.56
St Clare School NR No Private PK-8 665 0.56
St Clare School NR No Private PK-8 665 0.56
Staten Island Montessori School NR No Private PK, K-8 34 0.67
P.S. 55 Henry M Boehm 8 No Public PK, K-5 509 0.70
P.S. 55 Henry M Boehm 8 No Public PK, K-5 509 0.70
Barbara Esselborn School (The) 9 No Public PK, K-5 811 1.17
Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Is 24 Myra S Barnes 8 Yes Public 6-8 1,262 0.54
St Clare School NR No Private PK-8 0 0.56
St Clare School NR No Private PK-8 665 0.56
Staten Island Montessori School NR No Private PK, K-8 34 0.67
Rabbi Jacob Joseph School NR No Private K-8 173 0.67
Eltingville Lutheran School NR No Private PK-7 86 1.27
David Marquis School of the Arts (The) NR No Public PK, K-12 493 1.77
Is 7 Elias Bernstein 8 No Public 6-8 1,193 2.17
Is 75 Frank D Paulo 8 No Public 6-8 1,452 2.50
Marsh Avenue School For Expeditionary Learning 8 No Public 6-8 419 3.06
Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
New Dorp High School 4 Yes Public 9-12 3,164 3.15
Francis School NR No Private 9-12 35 0.67
St. Joseph by the Sea High School NR No Private 9-12 0 1.62
David Marquis School of the Arts (The) NR No Public PK, K-12 493 1.77
Tottenville High School 7 No Public 9-12 3,783 2.37
Msgr Farrell High School NR No Private 9-12 873 2.40
Staten Island Technical High School 10 No Public 9-12 1,374 2.70
Richmondtown Preparatory School NR No Private 9-12 33 2.70
CSI High School For International Studies 9 No Public 9-12 512 3.06
Gaynor McCown Expeditionary Learning School 7 No Public 9-12 478 3.06

Data provided by GreatSchools.org © 2026. All rights reserved.

Frequently asked questions

What is the year built for 20 William Avenue, Staten Island, NY 10308?

The development at 20 William Avenue, Staten Island, NY 10308 was built in 1930.

What is the total square footage of 20 William Avenue, Staten Island, NY 10308?

20 William Avenue, Staten Island, NY 10308 has a total of 1,652 square feet.

What is the assessed value of 20 William Avenue, Staten Island, NY 10308?

20 William Avenue, Staten Island, NY 10308 is currently assessed at $48,060.

What are the property taxes for 20 William Avenue, Staten Island, NY 10308?

The property taxes for 20 William Avenue, Staten Island, NY 10308 total $7,138.

How many residential units does this building have?

This building has 1 residential unit(s).

Disclaimer

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