When was property at 377 Deer Road built and last sold?

The property at 377 Deer Road was built in 1971 and last sold on Jul 10, 2019 for $440,000.

How much is this home worth?

The estimated value of the home located at 377 Deer Road is $738,987.

What are some comparable homes to 377 Deer Road?

There are currently no comparable homes to 377 Deer Road.

Ronkonkoma

11779

Ronkonkoma

377 Deer Road

$440,000

● House - Off Market

377 Deer Road

Islip, NY 11779

4 Beds

2 Baths

1,900 Ft²

$653,037

RealtyHop Estimate

46.75%

Since Aug 1, 2019

National-US

Primary Model

About This Property

Oh my this is everything and more of what you're looking for.The Hi Ranch of your dreams with a legal mother/daughter (you just need to reapply after closing). All co's are in place. It is the prefect home for all 2 EIKs, 2 living rooms, 2 Dining Rooms, 2 full bathrooms, 4 bedrooms & a Home office, Cac, covered deck and more. Come see for yourself today!, Additional information: Appearance:Mint,Separate Hotwater Heater:yes

Unit Size

1,900 Ft²

Days on Market

Land Size

0.20 acres

Price per sqft

$234

Property Type

House

Property Taxes

$888

HOA Dues

Year Built

1971

Payment Calculator

Cap Rate Calculator

Last updated: 6 months ago (OneKey MLS #KEYL3127546)

Price History

Date / Event	Date	Event
May 11, 2026	Sold	Premium
Sold
Jan 30, 2026	In contract	-
In contract
Jan 10, 2026	Price Decreased	$759,000 ↓ $20K (2.6%)
Price Decreased
Dec 24, 2025	Listed by Realty Connect USA L I Inc	$779,000
Listed by Realty Connect USA L I Inc

	Your New, Move In Ready Home Is Here! Impeccably Maintained with Legal Mother/Daughter Living Space and Outside Entrance for Extended Family. Conveniently Located Near LIRR and LIE Access. Master Bedroom and 3 Secondary Bedrooms, 2 Full Baths, Office, 2 Living Rooms, 2 Dining Rooms, 2 Kitchens, Main Kitchen Completely Renovated (2021) Including Quartz Counters, Tile Floors, Newer Appliances, New Oil Tank (2023), Mud Room/Laundry Room with Easy Access to Outside. Full House Generator. Beautifully Maintained Backyard, Private, Fully Fenced, Shed. Trex Decking on Front Porch and Rear Deck, Cement Patio. Come And See...Your New Home Awaits You!
Aug 5, 2019	Sold	Premium
Sold
May 27, 2019	No longer available	-
No longer available
May 15, 2019	Price Decreased	$444,999 ↓ $4K (0.9%)
Price Decreased
May 12, 2019	Listed by Signature Premier Properties	$449,000
Listed by Signature Premier Properties

	Oh my this is everything and more of what you're looking for.The Hi Ranch of your dreams with a legal mother/daughter (you just need to reapply after closing). All co's are in place. It is the prefect home for all 2 EIKs, 2 living rooms, 2 Dining Rooms, 2 full bathrooms, 4 bedrooms & a Home office, Cac, covered deck and more. Come see for yourself today! The manager has listed the unit size as 1900 square feet.
Apr 20, 2019	No longer available	-
No longer available
Mar 23, 2019	Listed by Signature Premier Properties	$444,999
Listed by Signature Premier Properties
Feb 22, 1996	Sold	Premium
Sold

Property Highlights

Air Conditioning

Building Info

Overview

General

Year Built: 1971

Effective Year Built: 1971
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: 8
Basement Area: 750
Garage Type: 0
Parking Space Count: 0
Patio Type: 0
Porch Type: 0
Pool Type: 0

Dimensions

Lot Size Square Feet: 6,534

Lot Size Depth Feet: 1,100
Lot Size Frontage Feet: 600
Total Building Area: 1,864
Building Area: 1,864
Building Area Measurement: L

Heating and Cooling

Air Conditioning: 0

Heating: 0
Heated Square Feet: 1,864
Heating Fuel Type: 0

Utilities

Sewer System: 0

Water Service: 0

Building

Building Type: 0

Property Class: R
Land Acres: 0000000150
Standard Land Use Code: 1001
County Land Use Code: 210
Legal Description 1: X2240208Y215935 T004H00000000

Neighborhood

School District Name: Connetquot Central School District

School Tax School District: CONNETQUOT
Census Tract: 145807

Zoning

Zoning: B

Geography

District: 0500-0

Section: 50.03
Parcel: 0500-032.00-03.00-049.000
Block: 2000
Lot: 300.049
Municipality: ISLIP
Latitude: 40.815
Longitude: -73.1318

Address

Full Address: 377 Deer Rd

Address - House Number: 377
Address - Street Name: Deer
Address - Suffix Type: Rd
State: NY
City Name: Ronkonkoma
Carrier Code: C008
4-Digit Zip Code: 4963
Zip Code: 11779

Valuation

Tax

Tax Year: 2023

Tax Amount: $1,165,883
Tax Rate Code Area: 472807

Appraisal Valuation

Standard Deviation: 0.2263

Valuation Date: Feb 14, 2024
Confidence Score: 68
Final Value: 607,044
High Value: 744,419
Low Value: 469,669

Open Liens

Total Open Liens:

Premium

Total Open Liens Amount:

Premium
First Open Lien Mortgage Lender:

Premium
First Open Lien Mortgage Recording Date:

Premium
First Open Lien Mortgage Loan Amount:

Premium
First Open Lien Mortgage Term:

Premium
First Open Lien Mortgage Position:

Premium
First Open Lien Mortgage Loan Type:

Premium
First Open Lien Mortgage Loan Due Date:

Premium

Market Valuation

Market Total Value: $542,583

Market Land Value: $115,385
Market Improvement Value: $427,198

Assessments Valuation

Assessed Year: 2023

Assessed Total Value: $39,500
Assessed Land Value: $8,400
Assessed Improvements Value: $31,100

Sales

Current Sale Contract Date: Jul 10, 2019

Current Sale Recording Date: Aug 05, 2019
Current Sale Price:

Premium
Current Sale Document Type: 27
Previous Sale Recording Date: Feb 22, 1996
Previous Sale Contract Date: Feb 15, 1996
Previous Sale Amount: $125,000
Previous Sale Document Type: 27

Data used for valuation calculations is provided by RealtyHop, and other third party sources

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Comparables

About Ronkonkoma

Stats & Trends

Median Asking:

$629,999

Sale Price/ft²

$423

Below Asking

0.01%

Average Days on Market

Average Home Size

1530 ft²

Average Home Age

65.8 years

Currently For Sale

33 Listings

Based on RH Advisors, Inc. calculations of home data from MLS and/or public records.

Similar Homes for Sale

Currently no similar homes around

Nearby Rentals

Unit for rent at 57 Penn Street, Lake Grove, NY, 11755

$3,450 /mo

2 Beds
1 Bath
768 ft²

57 Penn Street, Lake Grove, NY, 11755 Listing by Ardith M. Evans

Unit for rent at 158 Mohawk Street, Ronkonkoma, NY, 11779

$3,400 /mo

2 Beds
1 Bath
820 ft²

158 Mohawk Street, Ronkonkoma, NY, 11779 Listing by Geris Hernandez

Unit for rent at 91 Richmond Boulevard, Ronkonkoma, NY, 11779

$2,500 /mo

1 Bed
1 Bath
658 ft²

91 Richmond Boulevard #3B, Ronkonkoma, NY, 11779 Listing by Margaret A. DiDonato

Rentals Near You

Click here to view more rentals in the neighborhood.

Last Updated: 6 months ago
Data Source: OneKey MLS

377 Deer Road

About This Property

Price History

Property Highlights

Building Info

Overview

Building

Neighborhood

Zoning

Geography

Valuation

Comparables

About Ronkonkoma

Stats & Trends

Similar Homes for Sale

Nearby Rentals

Frequently Asked Questions