Portion Rd, Ronkonkoma, NY Property Records

Suffolk County and Brookhaven Town property records for 86 addresses on Portion Rd, Ronkonkoma, NY · Last verified August 2026

Portion Rd Highlights

Properties 86
Median Sale Price $492,500
Deeds and Mortgages on File 56
Average Living Area 2,076 sq ft
Owner Occupied 9%
Median Annual Tax Bill $16,017
Median Year Built 1953
Median Ownership Tenure 15 years

Properties on Portion Rd

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

12 Portion Rd

1.03 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Assessor + 2 DocumentsUpdated May 2024

15 Portion Rd

0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$239,000Mar 2004 $1042024 1 Name on Record AssessorUpdated Aug 2026

21 Portion Rd

3 bd · 2 ba · 2,160 sqft · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$440,000Dec 2025 $7,7002024 Amount on Record May 1996 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

24 Portion Rd

2 bd · 2 ba · 2,027 sqft · 0.18 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$260,000Jun 2002 $10,7472024 Amount on Record Jul 2001 1 Name on Record AssessorUpdated Aug 2026

55 Portion Rd

3.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,6642024 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

58 Portion Rd

7.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,600,000Sep 2013 $14,2102024 Amount on Record Feb 2005 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

100 Portion Rd

1.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$21,500,000May 2016 $94,0112024 Amount on Record Aug 2009 1 Name on Record AssessorUpdated Aug 2026

105 Portion Rd

0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2013 $5,3972024 Amount on Record Jun 2005 1 Name on Record AssessorUpdated Aug 2026

106 Portion Rd

1.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$34,8362024 1 Name on Record AssessorUpdated Aug 2026

115 Portion Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000Aug 2014 $8702024 Amount on Record Jul 2010 1 Name on Record AssessorUpdated Aug 2026

122 Portion Rd

0.439 acres

Last Sale Tax Bill Prior Sale Owner Records
$730,000Dec 2011 $23,9212024 Amount on Record Nov 2009 1 Name on Record AssessorUpdated Aug 2026

125 Portion Rd

0.419 acres

Last Sale Tax Bill Prior Sale Owner Records
$330,000May 2004 $9,5752024 1 Name on Record AssessorUpdated Aug 2026

130 Portion Rd

1.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$26,1142024 1 Name on Record AssessorUpdated Aug 2026

135 Portion Rd

0.369 acres

Last Sale Tax Bill Prior Sale Owner Records
$575,000Oct 2005 $6962023 1 Name on Record AssessorUpdated Aug 2026
Last Sale Tax Bill Prior Sale Owner Records
$31,3372024 1 Name on Record AssessorUpdated Aug 2026

174 Portion Rd

0.83 acres

Last Sale Tax Bill Prior Sale Owner Records
$44,4642024 1 Name on Record AssessorUpdated Aug 2026

177 Portion Rd

1 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Aug 2026

189 Portion Rd

0.73 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Feb 2010 $19,1502024 Amount on Record Jan 2010 1 Name on Record AssessorUpdated Aug 2026

201 Portion Rd

0.51 acres

Last Sale Tax Bill Prior Sale Owner Records
$41,300Jun 2008 $19,1502024 1 Name on Record AssessorUpdated Aug 2026

217 Portion Rd

0.369 acres

Last Sale Tax Bill Prior Sale Owner Records
$492,500Aug 2020 $13,2312024 Amount on Record Jun 2010 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

220 Portion Rd

0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$355,000Sep 2014 $14,8502024 Amount on Record — 1 Name on Record AssessorUpdated Aug 2026

240 Portion Rd

1.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,600,000Sep 2003 $62,6742024 Amount on Record Sep 2002 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

254 Portion Rd

0.77 acres

Last Sale Tax Bill Prior Sale Owner Records
$28,5522024 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

267 Portion Rd

0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Aug 2019 $7,3122024 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

271 Portion Rd

0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$124,000Mar 2008 $31,3372024 Amount on Record Jan 1995 1 Name on Record AssessorUpdated Aug 2026

279 Portion Rd

0.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$16,0172024 1 Name on Record AssessorUpdated Aug 2026

283 Portion Rd

0.46 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,030,000Jul 2008 $25,9182024 1 Name on Record AssessorUpdated Aug 2026

301 Portion Rd

0.469 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,3932024 1 Name on Record AssessorUpdated Aug 2026

319 Portion Rd

0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,3102024 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

321 Portion Rd

0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,8422024 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

325 Portion Rd

0.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$950,000Nov 2022 $12,1872024 Amount on Record Mar 2004 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

326 Portion Rd

0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$440,000Oct 2022 $18,8022024 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

339 Portion Rd

1.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,050,000Aug 2007 $33,0782024 1 Name on Record AssessorUpdated Aug 2026

344 Portion Rd

0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$35,000Dec 2025 $14,6242024 Amount on Record Nov 2025 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

359 Portion Rd

1.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$775,000Feb 2015 $3,9002024 Amount on Record Jan 1999 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

360 Portion Rd

1.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$13,2312024 1 Name on Record AssessorUpdated Aug 2026

363 Portion Rd

2.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$121,8662024 1 Name on Record AssessorUpdated Aug 2026

379 Portion Rd

0.869 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,300,000May 2026 $6,6162024 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

380 Portion Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000May 2008 $17,2702024 1 Name on Record AssessorUpdated Aug 2026

390 Portion Rd

0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$545,000May 2008 $12,5352024 Amount on Record May 2008 1 Name on Record AssessorUpdated Aug 2026

395 Portion Rd

0.66 acres

Last Sale Tax Bill Prior Sale Owner Records
$55,200Apr 2011 $17,4092024 1 Name on Record AssessorUpdated Aug 2026

440 Portion Rd

0.719 acres

Last Sale Tax Bill Prior Sale Owner Records
$565,000Dec 1996 $41,7832024 1 Name on Record AssessorUpdated Aug 2026

449 Portion Rd

9.81 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,900Oct 2010 $240,2502024 1 Name on Record AssessorUpdated Aug 2026

458 Portion Rd

0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$217,500Oct 1997 $8,7052024 1 Name on Record AssessorUpdated Aug 2026

500 Portion Rd

2.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$359,500Jun 1998 $76,9502024 Amount on Record Jan 1994 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

550 Portion Rd

0.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$535,500Apr 1998 $21,0652024 1 Name on Record AssessorUpdated Aug 2026

558 Portion Rd

0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$595,000Jan 1995 $18,8022024 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

585 Portion Rd

12.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$493,000Aug 2011 $313,3702024 1 Name on Record AssessorUpdated Aug 2026

600 Portion Rd

2.73 acres

Last Sale Tax Bill Prior Sale Owner Records
$220,000Sep 2010 $167,1312024 Amount on Record Sep 1999 1 Name on Record AssessorUpdated Aug 2026

601 Portion Rd

14 acres

Last Sale Tax Bill Prior Sale Owner Records
$13,032,500Jan 2001 $477,0192024 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

625 Portion Rd

3.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,500,000Sep 2023 $45,2652024 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

652 Portion Rd

0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Jul 2004 $23,6772024 2 Names on Record AssessorUpdated Aug 2026

675 Portion Rd

14 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,000,000Mar 2013 $237,9872024 Amount on Record Dec 2009 1 Name on Record AssessorUpdated Aug 2026

680 Portion Rd

0.55 acres

Last Sale Tax Bill Prior Sale Owner Records
$750,000Apr 2023 $13,8622023 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

682 Portion Rd

0.46 acres

Last Sale Tax Bill Prior Sale Owner Records
$795,000May 2023 —Oct 2008 1 Name on Record Assessor + 1 DocumentUpdated May 2024

684 Portion Rd

4 bd · 3 ba · 2,651 sqft · 0.469 acres

Last Sale Tax Bill Prior Sale Owner Records
$13,8632024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

686 Portion Rd

5 bd · 3 ba · 4,115 sqft · 0.519 acres

Last Sale Tax Bill Prior Sale Owner Records
$540,000Jan 2011 $11,9122024 Amount on Record Aug 2004 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

688 Portion Rd

4 bd · 2 ba · 2,892 sqft · 0.539 acres

Last Sale Tax Bill Prior Sale Owner Records
$450,000Apr 2013 $13,8632024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

694 Portion Rd

0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,3122024 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

700 Portion Rd

0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$133,000Jun 1996 $10,1022024 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

711 Portion Rd

1.56 acres

Last Sale Tax Bill Prior Sale Owner Records
$50,2372024 1 Name on Record AssessorUpdated Aug 2026

718 Portion Rd

0.85 acres

Last Sale Tax Bill Prior Sale Owner Records
$53,800Aug 2010 $55,6272024 1 Name on Record AssessorUpdated Aug 2026

736 Portion Rd

4 bd · 1 ba · 1,482 sqft · 4.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,020,000Jul 2011 $6,8942024 1 Name on Record AssessorUpdated Aug 2026

775 Portion Rd

1 acres

Last Sale Tax Bill Prior Sale Owner Records
$650,000Jun 2002 $45,5672024 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

815 Portion Rd

0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,5982024 1 Name on Record AssessorUpdated Aug 2026

821 Portion Rd

0.9 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,300,000Jun 2022 $35,0352024 Amount on Record Jul 2016 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

840 Portion Rd

0.7 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,040,000Jan 2018 $26,2882024 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

841 Portion Rd

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$830,000May 2013 $29,2322024 Amount on Record Jan 2012 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

856 Portion Rd

0.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000Feb 2011 $19,1502024 Amount on Record Mar 1997 1 Name on Record AssessorUpdated Aug 2026

860 Portion Rd

2 bd · 1 ba · 1,365 sqft · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000Nov 2022 $8,2722024 Amount on Record Oct 2018 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

861 Portion Rd

2 bd · 1 ba · 987 sqft · 0.45 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Mar 2014 $6,8362024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

900 Portion Rd

0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,206,100Oct 2019 —Sep 2009 1 Name on Record Assessor + 1 DocumentUpdated Jun 2023

913 Portion Rd

1.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$26,1652024 1 Name on Record AssessorUpdated Aug 2026

950 Portion Rd

0.48 acres

Last Sale Tax Bill Prior Sale Owner Records
$964,900Oct 2019 $27,9302024 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

952 Portion Rd

0.389 acres

Last Sale Tax Bill Prior Sale Owner Records
$18,1452024 1 Name on Record AssessorUpdated Aug 2026

958 Portion Rd

0.7 acres

Last Sale Tax Bill Prior Sale Owner Records
$482,000Nov 2018 $13,1432024 Amount on Record Nov 2007 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

966 Portion Rd

0.98 acres

Last Sale Tax Bill Prior Sale Owner Records
$131,200Jun 1997 $32,8592024 1 Name on Record AssessorUpdated Aug 2026

978 Portion Rd

1.63 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,8582024 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

998 Portion Rd

0.589 acres

Last Sale Tax Bill Prior Sale Owner Records
$800,000Oct 2015 $25,1002024 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

1000 Portion Rd

3.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$25,200Oct 2010 $5,0752024 2 Names on Record AssessorUpdated Aug 2026

1011 Portion Rd

1.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$335,000Mar 2001 $12,2832024 1 Name on Record AssessorUpdated Aug 2026

1032 Portion Rd

0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$666,000May 2010 $11,0782024 1 Name on Record AssessorUpdated Aug 2026

1040 Portion Rd

3 bd · 1 ba · 1,008 sqft · 0.41 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,3522024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

1042 Portion Rd

0.43 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Dec 2020 $9,5152024 Amount on Record Sep 2009 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

1044 Portion Rd

0.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000May 2020 $11,6832024 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

1046 Portion Rd

0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$425,000Feb 2025 $6,9552024 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

Wildfire Risk on Portion Rd

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskLow
this street's cells rank at the 3rd percentile of exposed land nationally · 3rd in New York
Wildfire LikelihoodLow — less than 1 in 10,000 per year
ExposureDirect
5 of 19 cells directly exposed · 18 adjoin burnable vegetation

Property Records in Nearby Streets