91 Shell St is a 1,684 square foot house on a 7,000 square foot lot with 2.5 bathrooms. - it last sold on March 15, 1999 for $155,000. Based on Redfin's Massapequa data, we estimate the home's value is $753,311.
Single-familyProperty Type
1965Year Built
7,000 sq ftLot Size
$447Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$753,311
$598K since sold in March 1999$49K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 1.1% lower than the average sale price ($761K) of 5 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Oct 28, 2025 • Final
Instant
Install a natural gas fired stove.
Gas
Dec 10, 2024 • Final
Solar
Electrical
Solar
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Basement Information
Basement Sq. Ft: 659
Basement Finish: Full
Basement Type: Full
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Air Conditioning Type: Central
Heating Fuel Type: Gas
Heating Type: Central
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Ranch
Exterior Wall: Aluminum/Vinyl
Property Information
Subdivision Name: AMITYVILLE DEVELOPMENT/LONG IS
Living Sq. Ft: 1,684
Ground Floor Sq. Ft: 879
Building Sq. Ft: 1,684
# of Units: 1
# of Stories: 1
Parking & Garage Information
# of Parking Spaces: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,000
Legal Lot Number: 78
Legal Block Number: 107
Municipality Name: TOWN OF OYSTER BAY
Acres: 0.1607
Depth Footage: 100
Front Footage: 70
County Use Description: ONE FAMILY YEAR-ROUND RESIDENC
Utility Information
Electricity / Wiring Type: Available
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: —
Baths: 2.5
Sq. Ft.: 1,684
Stories: 1.0
Lot Size: 7,000 square feet
Style: Single Family Residential
Year Built: 1965
Year Renovated: —
County: Nassau County
APN: 66107 00780
Home facts updated by county records on Nov 2, 2026
Around this home
Schools
Park Avenue School
Public 2-5 • Assigned • 1.0mi
3/10
Edmund W Miles Middle School
Public 6-8 • Assigned • 1.8mi
4/10
Amityville Memorial High School
Public 9-12 • Assigned • 1.0mi
3/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
7/10 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
5/10 Heat Factor
7 days above 94° expected this year, 17 days in 30 years
6/10 Wind Factor
75% chance of strong winds in next 30 years
4/10 Air Factor
5 unhealthy days expected this year, 7 days in 30 years
Provided by First Street
Historical weather
Massapequa, NY • 11758
Average low and high temperatures (°F)
36
25
39
25
51
36
60
44
68
53
79
64
84
70
79
64
76
61
65
51
56
40
42
29
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
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Dec
Sun exposure
In this area, properties receive around 8.7 hours in
June and 4.5 hours in December, placing it below the
U.S. average for solar exposure.
8.7 hrs
4.5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$716,000 – $867,000
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