Suffolk County  »  11779  »  Clarendon Rd  »  18 Clarendon Rd

18 Clarendon Road, Ronkonkoma, NY 11779 Property Information

18 Clarendon Road, Ronkonkoma, NY 11779 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

18 Clarendon Road, Ronkonkoma, NY 11779
static Mapbox map

Address

Primary address 18 Clarendon Road, Ronkonkoma
Zip code 11779
County Suffolk
Municipality Brookhaven
Parcel ID 6419040

Sales & Tax Overview for 18 Clarendon Road, Ronkonkoma

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 01/10/2008
Sale price $267,500
Arm's length
Current property tax $1,960

Lot & Building Information for 18 Clarendon Road, Ronkonkoma

Building sqft 616
Building class One Family Year-Round Residence (210)
Acreage 0.14
Year built 1943
Rooms 4
Bedrooms 2
Bathrooms 1
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


School district Sachem

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 18 Clarendon Road, Ronkonkoma

Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:

  • • Improvements for 18 Clarendon Road, Ronkonkoma , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
Unlock all property data with a free account.
Sign up

About 18 Clarendon Road, Ronkonkoma

What is the year built & the total sq. ft. for 18 Clarendon Road, Ronkonkoma, NY 11779?

18 Clarendon Road, Ronkonkoma, NY 11779 was built in 1943 and has a total of 616 square feet.

What is the assessed value of 18 Clarendon Road, Ronkonkoma, NY 11779 and the property tax paid?

Assessed at $760, the tax amount paid for 18 Clarendon Road, Ronkonkoma, NY 11779 is $2,684.

When was 18 Clarendon Road, Ronkonkoma, NY 11779 last sold?

18 Clarendon Road, Ronkonkoma, NY 11779 was last sold in 02/16/2019.

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

Real Estate Reports:
Eliza Theiss, Jun 23, 2026 NYC Resale Gains & Losses: Every Borough Made Money in 2025, Except Manhattan
In 2025, NYC home-sellers mostly made money. But, in Manhattan, resales came with losses — and it was apartments and recent buyers that absorbed them.
Laura Pop-Badiu, Jun 11, 2026 NYC Business Leaders on RTO: Survey Reveals Hybrid Still Dominates, Office Attendance Set to Rise
Hubble’s recent survey of 126 founders, CEOs and other decision-makers in New York City’s startup ecosystem revealed how local business leaders are approaching workplace strategy in 2026 and beyond.
Eliza Theiss, Jun 04, 2026 World Cup or Your Mortgage/Rent? Ticket Prices Rival Host City Housing Costs
World Cup ticket prices rival monthly housing expenses in the 11 U.S. host cities, with even the cheapest seats covering weeks or even months of rent or mortgage payments.
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 18 Clarendon Road, Ronkonkoma

Create a free account to view the complete sales history for 18 Clarendon Road, Ronkonkoma, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
01/10/2008 $267,500
02/03/2003 $125,000
       
       
       
Access the complete sales history for 18 Clarendon Road, Ronkonkoma with a free account.
Sign up

Title Documents for 18 Clarendon Road, Ronkonkoma

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Doc image
03/06/2019 - R
02/16/2019 - D
Deed
01/23/2008 - R
01/10/2008 - D
Deed
(Bargain & sale deed)
06/23/2004 - R
04/22/2004 - D
Deed
03/24/2003 - R
02/03/2003 - D
Deed
           
Unlock daily updated title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 18 Clarendon Road, Ronkonkoma

Access detailed property tax data for 18 Clarendon Road, Ronkonkoma, NY 11779. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Base tax $2,684
Current property tax $1,960
Market value $143,397
Assessed value $760

Assessment History for 18 Clarendon Road, Ronkonkoma

Here's the assessment & property tax history for 18 Clarendon Road, Ronkonkoma, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessment value Total tax rate Property tax Year over year change
2025-2026 $143,397 $760 353.178 $2,684 +4.38%
2024-2025 $143,397 $760 338.342 $2,571 -17.92%
2023-2024 $140,741 $760 412.188 $3,133 +27.16%
2022-2023 $122,581 $760 324.157 $2,464 +3.72%
2021-2022 $102,702 $760 312.54 $2,375 +2.63%

Permits for 18 Clarendon Road, Ronkonkoma

The complete history of permits filed for 18 Clarendon Road, Ronkonkoma, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Brookhaven residential market stats

Median Sale Price
$575,000
4.5% YoY
Median Price/Sqft
$348
2.4% YoY
Suffolk County Median Sale Price
$677,000
5.9% YoY

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

Risk

Create a free account to unlock extended information for 18 Clarendon Road, Ronkonkoma, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s) X (See more on map)

Transportation

Access the detailed traffic volume map for 18 Clarendon Road, Ronkonkoma 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 Type Grade range No of students Distance to school (mi)
Cayuga School 6 Public K-5 516 0.49
Maimonides Day School NR Private PK, K-3 25 0.53
Maimonides Day School NR Private PK, K-3 25 0.53
Holbrook Road School 4 Public K-5 367 0.93
Wenonah School 6 Public K-5 479 1.26

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Samoset Middle School 6 Public 6-8 892 0.49
Lake Grove School NR Private 8-12 50 1.09
St Joseph School NR Private PK, K-8 212 1.81
Our Savior New American School NR Private PK, K-12 122 1.86
Cleary School For The Deaf NR Private PK-12 79 1.99

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Sachem High School North 8 Public 9-12 1,923 0.13
Lake Grove School NR Private 8-12 50 1.09
Our Savior New American School NR Private PK, K-12 122 1.86
Cleary School For The Deaf NR Private PK-12 79 1.99
Centereach High School 6 Public 9-12 1,475 2.49

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 18 Clarendon Road, Ronkonkoma

Here are the neighbors for 18 Clarendon Road, Ronkonkoma.

Address Square feet Purchase date Purchase price
241 Smith Rd, Ronkonkoma 1,523 05/10/2010 $299,990
8 Dorchester Rd, Ronkonkoma 600 01/19/2007
12 Dorchester Rd, Ronkonkoma 06/17/2021 $95,426
14 Clarendon Rd, Ronkonkoma 2,028 10/28/2005 $427,000
38 Clarendon Rd, Ronkonkoma 1,190 06/03/1996
36 Clarendon Rd, Ronkonkoma 2,104 12/28/1995 $121,500
31 Midland Blvd, Ronkonkoma 1,806
20 Clarendon Rd, Ronkonkoma 1,326 10/05/2020 $389,990
15 Midland Blvd, Ronkonkoma 2,255 03/23/1999 $179,990
11 Midland Blvd, Ronkonkoma 2,180 07/10/2017 $409,990
10 Dorchester Rd, Ronkonkoma 01/31/2022
16 Clarendon Rd, Ronkonkoma 1,540
34 Clarendon Rd, Ronkonkoma 2,334
21 Midland Blvd, Ronkonkoma 1,188
29 Midland Blvd, Ronkonkoma 1,281 07/12/2018 $400,000
48 Locust St, Ronkonkoma 1,818 11/29/2004 $395,000
17 Midland Blvd, Ronkonkoma 1,548
23 Midland Blvd, Ronkonkoma 1,201 08/03/2007
25 Midland Blvd, Ronkonkoma 1,486 08/05/2016 $329,600
19 Midland Blvd, Ronkonkoma 1,628 02/13/2022 $480,000

Nearby ZIP Codes for 18 Clarendon Road, Ronkonkoma

Not sure if we cover all the data-points you need? View sample full report View sample full report