by RH Advisors

See Home Value
$735,000
● House - Off Market

1663 Claas Avenue

Islip, NY 11741
bedrooms
4 Beds
bathrooms
2 Baths
square feet
1,698 Ft²
$4,279
Est. Monthly

About This Property

No stone left unturned in this gorgeous, meticulously maintained Hi-Ranch located in the desirable Sachem School District! Pride of ownership shines throughout this super clean, spacious home offering a thoughtful blend of timeless design and modern updates. The upper level features a beautifully renovated eat-in kitchen with breakfast peninsula, stainless steel appliances, soft-close cabinetry, Quartz countertops, gas cooking, pantry storage, and an open flow into the formal dining area and living room-perfect for everyday living and entertaining alike. Light hardwood floors upstairs were freshly refinished in 2025, enhancing the bright and airy feel throughout. Three bedrooms, all with hardwood floors, plus a stunningly renovated bathroom (completed just three years ago) featuring a dual vanity, elegant tile work, and built-in shelving for additional storage round out the upstairs. Pull-down stairs provide easy access to a full attic for even more storage. The fully renovated lower level (2021) was completely gutted and reimagined, offering luxury vinyl plank flooring, a brand-new full bathroom, sliders leading to the back patio, a fourth bedroom, and a spacious open living area-ideal for guests, extended family, or flexible living space. There's also a 1 car garage, an oversized driveway, and a spacious backyard with a shed.

Extensive updates include - June 2025: 50-year GAF roof with transferable warranty, new gutters, and trim, September 2023: Three ductless units with heat pumps (primary bedroom, upstairs living room, downstairs bedroom), August 2022: New asphalt driveway, 2017: New garage door with automatic opener, 2014: Gas conversion with new boiler and gas-fired hot water heater, Young windows with transferable warranty, July 2012: New cesspool and overflow, and an upgraded 200-amp electrical panel with whole-house surge protector! True taxes of just $10,157.26! This move-in-ready home checks every box-space, style, updates, and peace of mind-all in a fantastic location. A truly turnkey (and rare!) opportunity not to be missed!
Unit Size
1,698 Ft²
Days on Market
75 days
Land Size
0.20 acres
Price per sqft
$412
Property Type
House
Property Taxes
$846
HOA Dues
-
Year Built
-

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Last updated: 8 months ago (OneKey MLS #KEY946619)

Price History

Date / Event Date Event Price
Mar 23, 2026 Sold
Sold
Jan 29, 2026 In contract -
In contract
Jan 7, 2026 Listed by RE/MAX Team $699,000
Listed by RE/MAX Team

Property Highlights

Air Conditioning

Building Info

Overview

    General

  • Bedroom Count: 0
  • Building Condition: 0
  • Building Quality: 0
  • Construction Type: 0
  • Building Style: 0
  • Exterior Walls Type: 0
  • Interior Walls Type: 0
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Cover: 0
  • Basement Type: 0
  • Basement Area: 0
  • Garage Type: 0
  • Parking Space Count: 0
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 8,712
  • Lot Size Depth Feet: 870
  • Lot Size Frontage Feet: 1,000
  • Total Building Area: 0
  • Building Area: 0

    Heating and Cooling

  • Air Conditioning: 0
  • Heating: 0
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Land Acres: 0000000200
  • Standard Land Use Code: 1001
  • County Land Use Code: 210
  • Legal Description 1: X2255621Y212978 T031H00000000

Neighborhood

  • School District Name: Sachem Central School District
  • School Tax School District: SACHEM
  • Census Tract: 146613

Zoning

  • Zoning: B

Geography

  • District: 0500-0
  • Section: 50.08
  • Parcel: 0500-088.00-02.00-010.000
  • Block: 8000
  • Lot: 200.010
  • Municipality: ISLIP
  • Latitude: 40.8065
  • Longitude: -73.0762

    Address

  • Full Address: 1663 Claas Ave
  • Address - House Number: 1663
  • Address - Street Name: Claas
  • Address - Suffix Type: Ave
  • State: NY
  • City Name: Holbrook
  • Carrier Code: C001
  • 4-Digit Zip Code: 2507
  • Zip Code: 11741

Valuation

    Tax

  • Tax Year: 2022
  • Tax Amount: $0
  • Tax Rate Code Area: 472205

    Appraisal Valuation

  • Standard Deviation: 0.2147
  • Valuation Date: Feb 14, 2024
  • Confidence Score: 70
  • Final Value: 562,695
  • High Value: 683,556
  • Low Value: 441,833

    Market Valuation

  • Market Total Value: $484,890
  • Market Land Value: $151,099
  • Market Improvement Value: $333,791

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $35,300
  • Assessed Land Value: $11,000
  • Assessed Improvements Value: $24,300

    Exemptions

  • Homeowner Exemption: Yes
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Holbrook


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Frequently Asked Questions

When was property at 1663 Claas Avenue built and last sold?
The property at 1663 Claas Avenue was built in and last sold on Jan 1, 1970 for $0.
How much is this home worth?
The estimated value of the home located at 1663 Claas Avenue is $0.
What are some comparable homes to 1663 Claas Avenue?
There are currently no comparable homes to 1663 Claas Avenue.