Deer Rd, Ronkonkoma, NY Property Records

Suffolk County and Islip Town property records for 96 addresses on Deer Rd, Ronkonkoma, NY · Last verified October 2026

Deer Rd Highlights

Properties 96
Median Sale Price $465,000
Deeds and Mortgages on File 107
Median Price per Sqft $313
Owner Occupied 89%
Median Annual Tax Bill $10,478
Median Year Built 1970
Median Ownership Tenure 11 years

Properties on Deer Rd

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

202 Deer Rd

2,018 sqft · built 1968 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$427,000Mar 2020 $10,9702024 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

203 Deer Rd

1,698 sqft · built 1949 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$505,000Sep 2021 $12,2502024 Amount on Record Nov 2017 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

206 Deer Rd

1,914 sqft · built 1970 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$600,000Nov 2021 $11,2432024 Amount on Record Oct 2012 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

207 Deer Rd

783 sqft · built 1941 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$275,000Jul 2026 $6,8862024 Amount on Record Sep 1995 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

208 Deer Rd

1,806 sqft · built 1970 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Assessor + 1 DocumentUpdated Aug 2026

211 Deer Rd

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$554,000Feb 2024 Owner on Record Assessor + 3 DocumentsUpdated Aug 2026

212 Deer Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2013 Owner on Record Owner Occupied AssessorUpdated Oct 2026

215 Deer Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,1412024 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

218 Deer Rd

2,510 sqft · built 1971 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$570,000Oct 2021 $13,9852024 Amount on Record May 1998 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

222 Deer Rd

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

225 Deer Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$310,000Oct 2015 Amount on Record Aug 2000 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

226 Deer Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Sep 2002 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

227 Deer Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Jul 1997 $9,0252024 Owner on Record Owner Occupied AssessorUpdated Aug 2026

229 Deer Rd

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,5042024 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

230 Deer Rd

0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$13,8492024 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

231 Deer Rd

1,769 sqft · built 1972 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$360,000Nov 2019 $10,4222024 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

234 Deer Rd

0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$216,500Nov 2013 $7,8192024 Amount on Record Jul 1997 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

235 Deer Rd

1,258 sqft · built 1972 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$450,000Feb 2021 $10,5312024 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

238 Deer Rd

0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$229,900Aug 2014 $8,9292024 Amount on Record Mar 1999 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

239 Deer Rd

1,110 sqft · built 1977 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$465,000Jul 2022 $9,5732024 Amount on Record Oct 2004 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

243 Deer Rd

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$271,500Jun 2015 $11,5732024 Amount on Record Jun 1997 Owner on Record Owner Occupied AssessorUpdated Aug 2026

244 Deer Rd

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$360,000May 2004 $10,5092024 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

247 Deer Rd

0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Owner Occupied AssessorUpdated Oct 2026

256 Deer Rd

0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$320,000Sep 2008 $6,1752024 Amount on Record Oct 2006 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

257 Deer Rd

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Aug 2007 Owner on Record Owner Occupied AssessorUpdated Oct 2026

260 Deer Rd

0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$257,000Aug 2015 $9,3542024 Amount on Record May 1997 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

261 Deer Rd

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Owner Occupied AssessorUpdated Oct 2026

262 Deer Rd

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$365,000Feb 2004 $10,2312024 Owner on Record Owner Occupied AssessorUpdated Aug 2026

263 Deer Rd

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

265 Deer Rd

0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$238,000Aug 2011 $7,7782024 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

266 Deer Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$305,500Jul 2007 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

269 Deer Rd

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$435,000Aug 2006 Amount on Record Aug 1998 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

272 Deer Rd

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$102,500May 1995 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

273 Deer Rd

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Owner Occupied AssessorUpdated Oct 2026

274 Deer Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$319,000Oct 2015 $11,3812024 2 Owners on Record Assessor + 2 DocumentsUpdated Aug 2026

278 Deer Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$535,000Sep 2023 2 Owners on Record Assessor + 1 DocumentUpdated Aug 2026

279 Deer Rd

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000Nov 2020 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

282 Deer Rd

0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$295,000Oct 2016 $10,8332024 Amount on Record May 2002 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

283 Deer Rd

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$454,410Oct 2005 $11,3042024 Amount on Record Jul 2003 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

284 Deer Rd

0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$340,000Jul 2005 $8,3132024 Amount on Record Mar 2001 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

287 Deer Rd

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

289 Deer Rd

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$192,500Sep 2000 $9,0532024 Amount on Record May 2000 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

290 Deer Rd

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

294 Deer Rd

640 sqft · built 1947 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$337,000Dec 2020 $7,1602024 Amount on Record Sep 2015 2 Owners on Record Assessor + 1 DocumentUpdated Oct 2026

306 Deer Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Owners on Record AssessorUpdated Aug 2026

309 Deer Rd

2,836 sqft · built 1971 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$440,000Oct 2018 $12,5592024 —Dec 2017 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

310 Deer Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

311 Deer Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

316 Deer Rd

0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$205,000Oct 2000 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

320 Deer Rd

1,336 sqft · built 1968 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$281,000Feb 2020 Amount on Record Aug 1998 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

321 Deer Rd

0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$415,000Dec 2005 Amount on Record May 2003 Owner on Record Owner Occupied AssessorUpdated Aug 2026

326 Deer Rd

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$362,000Feb 2014 Amount on Record Jan 2013 Owner on Record Owner Occupied AssessorUpdated Aug 2026

330 Deer Rd

2,240 sqft · built 1950 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$660,000Jun 2022 $13,3032024 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

331 Deer Rd

0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

336 Deer Rd

1,020 sqft · built 1947 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$465,000Jul 2022 $11,7492024 Amount on Record Jan 2022 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

339 Deer Rd

1,500 sqft · built 1969 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

340 Deer Rd

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$305,000Jan 2010 Amount on Record Apr 2002 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

341 Deer Rd

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$327,000Feb 2003 $8,7792024 Amount on Record Aug 1996 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

348 Deer Rd

0.319 acres

Last Sale Tax Bill Prior Sale Owner Records
$355,000Feb 2007 $9,1352024 Amount on Record Dec 2000 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

355 Deer Rd

0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

356 Deer Rd

0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$680,000Aug 2024 $10,5602024 Amount on Record May 2002 Owner on Record Assessor + 3 DocumentsUpdated Aug 2026

360 Deer Rd

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,3982024 Owner on Record Owner Occupied AssessorUpdated Aug 2026

361 Deer Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

365 Deer Rd

1,622 sqft · built 1970 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$339,500Jul 2021 $10,0282024 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

366 Deer Rd

0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$127,000Apr 1998 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

369 Deer Rd

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$312,700May 2016 $11,6312024 Amount on Record Feb 2001 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

371 Deer Rd

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$389,990Oct 2004 $10,4782024 Amount on Record Jun 1996 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

372 Deer Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

374 Deer Rd

1,907 sqft · built 1972 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$434,000Nov 2018 $11,1622024 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

375 Deer Rd

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$233,000May 2001 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

376 Deer Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$142,000Jan 1996 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

377 Deer Rd

1,864 sqft · built 1971 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$440,000Aug 2019 $11,6592024 Amount on Record Feb 1996 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

381 Deer Rd

0.15 acres

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

382 Deer Rd

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$115,000Jun 1996 2 Owners on Record AssessorUpdated Oct 2026

384 Deer Rd

1,601 sqft · built 1970 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2018 $11,4362024 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

385 Deer Rd

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,7392024 Owner on Record Owner Occupied AssessorUpdated Aug 2026

387 Deer Rd

0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$305,000Nov 2014 $10,4232024 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

388 Deer Rd

0.1 acres

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

391 Deer Rd

0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$319,500Jun 2010 Amount on Record Sep 2009 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

392 Deer Rd

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$370,000Jun 2015 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

406 Deer Rd

0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Owner Occupied AssessorUpdated Oct 2026

407 Deer Rd

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

408 Deer Rd

1,927 sqft · built 1954 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$362,500Sep 2018 $10,0932024 Amount on Record Dec 2017 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

412 Deer Rd

1,008 sqft · built 1969 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$330,000Jul 2017 Amount on Record Sep 2007 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

415 Deer Rd

0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$90,000Apr 1997 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

416 Deer Rd

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000May 2015 $11,7922024 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

419 Deer Rd

0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$148,000Mar 1998 Owner on Record Owner Occupied AssessorUpdated Oct 2026

420 Deer Rd

0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$297,000Apr 2004 $8,4222024 Amount on Record Feb 1999 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

421 Deer Rd

0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2012 Owner on Record Owner Occupied AssessorUpdated Oct 2026

422 Deer Rd

1,032 sqft · built 1970 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$410,000Apr 2021 $9,4352024 Amount on Record Jun 2017 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

423 Deer Rd

2,024 sqft · built 1965 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

426 Deer Rd

1,068 sqft · built 1969 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$240,000Jan 2019 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

427 Deer Rd

1,354 sqft · built 1970 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$405,000Sep 2019 $11,3262024 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

430 Deer Rd

0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$385,000Mar 2017 $12,6142024 Amount on Record Feb 2016 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

432 Deer Rd

0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,2852024 2 Owners on Record Assessor + 2 DocumentsUpdated Aug 2026

436 Deer Rd

0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

Property Records in Nearby Streets