Suffolk County  »  11779  »  Larch St  »  21 Larch St

21 Larch Street, Ronkonkoma, NY 11779 Property Information

21 Larch Street, 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

21 Larch Street, Ronkonkoma, NY 11779
static Mapbox map

Address

Primary address 21 Larch Street, Ronkonkoma
Zip code 11779
County Suffolk
Municipality Brookhaven
Parcel ID 6237460

Sales & Tax Overview for 21 Larch Street, Ronkonkoma

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

Property tax $8,741

Lot & Building Information for 21 Larch Street, Ronkonkoma

Building sqft 1,066
Building class One Family Year-Round Residence (210)
Acreage 0.29
Year built 1947
Rooms 5
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 21 Larch Street, 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 21 Larch Street, 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 21 Larch Street, Ronkonkoma

What is the year built & the total sq. ft. for 21 Larch Street, Ronkonkoma, NY 11779?

21 Larch Street, Ronkonkoma, NY 11779 was built in 1947 and has a total of 1,066 square feet.

What is the assessed value of 21 Larch Street, Ronkonkoma, NY 11779 and the property tax paid?

Assessed at $2,475, the tax amount paid for 21 Larch Street, Ronkonkoma, NY 11779 is $8,741.

When was 21 Larch Street, Ronkonkoma, NY 11779 last sold?

21 Larch Street, Ronkonkoma, NY 11779 was last sold in 11/21/2023.

Ownership Information

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

Real Estate Reports:
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
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 21 Larch Street, Ronkonkoma

Create a free account to view the complete sales history for 21 Larch Street, Ronkonkoma, including title documents, transfer conditions, mortgages and liens.

No recorded sales for this property.

Title Documents for 21 Larch Street, 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
11/21/2023 - D
03/11/2024 - R
Deed
06/09/2011 - D
05/06/2014 - R
Deed
(Life estate deed)
04/17/1997 - D
06/16/1997 - R
Deed
           
           
Unlock daily updated title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 21 Larch Street, Ronkonkoma

Access detailed property tax data for 21 Larch Street, Ronkonkoma, NY 11779. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Property tax $8,741
Market value $466,981
Assessed value $2,475

Assessment History for 21 Larch Street, Ronkonkoma

Here's the assessment & property tax history for 21 Larch Street, 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
2024-2025 $466,981 $2,475 338.342 $8,374 -17.92%
2023-2024 $458,333 $2,475 412.188 $10,202 +27.16%
2022-2023 $399,194 $2,475 324.157 $8,023 +3.72%
2021-2022 $334,459 $2,475 312.54 $7,735 +2.63%
2020-2021 $321,429 $2,475 304.524 $7,537 +1.29%

Permits for 21 Larch Street, Ronkonkoma

The complete history of permits filed for 21 Larch Street, 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.

Risk

Create a free account to unlock extended information for 21 Larch Street, 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 21 Larch Street, 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)
Hiawatha School 4 Public K-5 603 0.26
Nokomis School 3 Public K-5 527 0.95
St Joseph School NR Private PK, K-8 212 1.06
St Joseph School NR Private PK, K-8 212 1.06
Maimonides Day School NR Private PK, K-3 25 1.37

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Samoset Middle School 6 Public 6-8 892 0.80
St Joseph School NR Private PK, K-8 212 1.06
Seneca Middle School 6 Public 6-8 973 1.88
Sagamore Middle School 6 Public 6-8 933 2.17
Cleary School For The Deaf NR Private PK-12 79 2.25

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 1.16
Cleary School For The Deaf NR Private PK-12 79 2.25
Lake Grove School NR Private 8-12 50 2.30
Long Island Baptist Academy NR Private 2-12 8 2.66
Our Savior New American School NR Private PK, K-12 122 2.97

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

Neighbors for 21 Larch Street, Ronkonkoma

Here are the neighbors for 21 Larch Street, Ronkonkoma.

Address Square feet Purchase date Purchase price
9 Larch St, Ronkonkoma 1,061 08/21/2008 $250,000
23 Leicester Ave, Ronkonkoma 1,851
27 Leicester Ave, Ronkonkoma 1,511 06/29/1995 $87,000
66 Duncan Ave, Ronkonkoma 2,656 11/20/2018
62 Duncan Ave, Ronkonkoma 944 05/07/2001 $148,000
71 Duncan Ave, Ronkonkoma 1,375 12/16/2022 $440,000
61 Duncan Ave, Ronkonkoma 1,422
16 Osborne Ave, Ronkonkoma 12/09/2020
19 Leicester Ave, Ronkonkoma 2,146
23 Larch St, Ronkonkoma 1,656 05/22/2008 $216,000
31 Leicester Ave, Ronkonkoma 1,372 05/09/2014
70 Duncan Ave, Ronkonkoma 2,056 11/15/2013 $225,000
67 Creighton Ave, Ronkonkoma 1,332 05/12/2004
29 Leicester Ave, Ronkonkoma 1,122 11/04/2020 $365,000
73 Duncan Ave, Ronkonkoma 1,528
10 Osborne Ave, Ronkonkoma 1,294 07/29/1993 $111,250
12 Osborne Ave, Ronkonkoma 912
11 Larch St, Ronkonkoma 1,120 04/12/2018
60 Creighton Ave, Ronkonkoma 06/07/1996 $110,000

Nearby ZIP Codes for 21 Larch Street, Ronkonkoma

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