Main Ave, Norwalk, CT Property Records

Norwalk City and Wilton Town property records for 99 addresses on Main Ave, Norwalk, CT · Last verified July 2026

Main Ave Highlights

Properties 190
Median Sale Price $390,000
Deeds and Mortgages on File 149
Median Price per Sqft $266
Owner Occupied 29%
Median Annual Tax Bill $9,556
Median Year Built 1988
Median Ownership Tenure 17 years

Properties on Main Ave

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

247 Main Ave

0.5 ba · 2,223 sqft · 0.419 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,302,000Apr 2008 $21,3042025 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

253 Main Ave

1 ba · 5,000 sqft · 0.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$549,750Apr 2001 $16,9482025 Amount on Record Sep 1999 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

255 Main Ave

1 ba · 4,199 sqft · 0.319 acres

Last Sale Tax Bill Prior Sale Owner Records
$475,000Dec 1985 $16,5672025 1 Name on Record AssessorUpdated Jul 2026

259 Main Ave

0.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,350,000Jan 2006 $29,3092025 1 Name on Record AssessorUpdated Jul 2026

261 Main Ave

1 ba · 5,054 sqft · 0.419 acres

Last Sale Tax Bill Prior Sale Owner Records
$800,000Sep 2010 $21,5442025 1 Name on Record AssessorUpdated Jul 2026

263 Main Ave

0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$14,6702025 1 Name on Record AssessorUpdated Jul 2026

264 Main Ave

1.5 ba · 1,748 sqft · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$270,000Jan 2001 $12,4312025 1 Name on Record AssessorUpdated Jul 2026

265 Main Ave

7 bd · 4 ba · 2,098 sqft · 0.189 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$480,000Nov 2003 $9,5562025 Amount on Record Mar 2003 1 Name on Record AssessorUpdated Jul 2026

266 Main Ave

6 bd · 6 ba · 5,486 sqft · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$505,000Feb 1998 $26,9252025 1 Name on Record AssessorUpdated Jul 2026

267 Main Ave

2 ba · 8,693 sqft · 0.645 acres

Last Sale Tax Bill Prior Sale Owner Records
$90,000Aug 2003 $35,2312025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

268 Main Ave

4 bd · 2 ba · 2,136 sqft · 0.21 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$400,000Oct 2017 $8,5102025 Amount on Record Oct 2002 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

270 Main Ave

1.5 ba · 4,178 sqft · 0.203 acres

Last Sale Tax Bill Prior Sale Owner Records
$815,000Oct 2021 $13,2372025 Amount on Record Sep 1983 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

275 Main Ave

0.5 ba · 4,410 sqft · 0.65 acres

Last Sale Tax Bill Prior Sale Owner Records
$325,000Jun 1982 $31,6682025 2 Names on Record AssessorUpdated Jul 2026

277 Main Ave

1.5 ba · 7,139 sqft · 0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,400,000Aug 2015 $25,0662025 1 Name on Record AssessorUpdated Jul 2026

280 Main Ave

1,444 sqft · Built 1996 · 4.97 acres

Last Sale Tax Bill Prior Sale Owner Records
$145,6972025 1 Name on Record AssessorUpdated Jul 2026

283 Main Ave

0.5 ba · 1,750 sqft · 0.606 acres

Last Sale Tax Bill Prior Sale Owner Records
$52,8262025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

286 Main Ave, #290

2.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$112,4132025 2 Names on Record AssessorUpdated Jul 2026

289 Main Ave

20 bd · 40 ba · 20,576 sqft · 0.421 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,517,444Mar 2026 $110,8042025 Amount on Record Sep 2005 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

295 Main Ave

18 bd · 15 ba · 17,390 sqft · 0.69 acres

Last Sale Tax Bill Prior Sale Owner Records
$48,1212025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

296 Main Ave

30 units · Built 1982 · 540 sq ft

Last Sale Median Tax Bill Median Sale    
$234,000Sep 2025 $2,8582025 $229,50030 units    

300 Main Ave

1 ba · 2,599 sqft · 0.428 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,850,000Apr 2007 $23,2442025 Amount on Record Dec 2000 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

304 Main Ave

3.5 ba · 9,555 sqft · 0.516 acres

Last Sale Tax Bill Prior Sale Owner Records
$31,3922025 1 Name on Record AssessorUpdated Jul 2026

306 Main Ave

0.286 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,4772025 1 Name on Record AssessorUpdated Jul 2026

308 Main Ave

0.469 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,5172025 1 Name on Record AssessorUpdated Jul 2026

312 Main Ave

1 ba · 5,556 sqft · 0.344 acres

Last Sale Tax Bill Prior Sale Owner Records
$95,000Jul 1992 $13,2802025 Amount on Record Jun 1991 2 Names on Record AssessorUpdated Jul 2026

314 Main Ave

0.369 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,0742025 1 Name on Record AssessorUpdated Jul 2026

323 Main Ave

0.5 ba · 3,062 sqft · 0.369 acres

Last Sale Tax Bill Prior Sale Owner Records
$19,5792025 1 Name on Record AssessorUpdated Jul 2026

326 Main Ave

1 ba · 6,911 sqft · 0.66 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,450,000Apr 2016 $26,9402025 Amount on Record Apr 2016 1 Name on Record AssessorUpdated Jul 2026

327 Main Ave

2.5 ba · 80,298 sqft · 1.86 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,000May 1992 $203,6422025 1 Name on Record AssessorUpdated Jul 2026

328 Main Ave

8 bd · 3.5 ba · 1,731 sqft · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$90,000Apr 1979 $13,6482025 1 Name on Record AssessorUpdated Jul 2026

330 Main Ave

2 bd · 1.5 ba · 4,191 sqft · 0.284 acres

Last Sale Tax Bill Prior Sale Owner Records
$17,7292025 1 Name on Record AssessorUpdated Jul 2026

336 Main Ave

1 ba · 1,980 sqft · 0.61 acres

Last Sale Tax Bill Prior Sale Owner Records
$37,8742025 2 Names on Record AssessorUpdated Jul 2026

340 Main Ave

1 ba · 4,056 sqft · 0.65 acres

Last Sale Tax Bill Prior Sale Owner Records
$270,000Jan 1983 $67,6022025 1 Name on Record AssessorUpdated Jul 2026

342 Main Ave

0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$36,500May 1999 $17,0432025 1 Name on Record AssessorUpdated Jul 2026

345 Main Ave

7.5 ba · 15,135 sqft · 1.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,675,000Apr 2010 $62,9752025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

346 Main Ave

3 bd · 5.5 ba · 52,457 sqft · 3.03 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2010 $5,7332025 Amount on Record Aug 2010 2 Names on Record AssessorUpdated Jul 2026

347 Main Ave

1 ba · 1,736 sqft · 0.519 acres

Last Sale Tax Bill Prior Sale Owner Records
$22,1882025 1 Name on Record AssessorUpdated Jul 2026

349 Main Ave

14 bd · 9.5 ba · 16,567 sqft · 0.345 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$785,000Jul 2008 $51,8492025 1 Name on Record AssessorUpdated Jul 2026

350 Main Ave

2.62 acres

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

351 Main Ave

2 bd · 1.5 ba · 3,434 sqft · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$915,000Jan 2020 $13,9302025 Amount on Record Mar 2006 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

353 Main Ave

80 ba · 50,839 sqft · 1.58 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,100,000May 2012 $209,3152025 Amount on Record Jun 1996 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

356 Main Ave

1.43 acres

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

362 Main Ave

4.5 ba · 11,489 sqft · 0.844 acres

Last Sale Tax Bill Prior Sale Owner Records
$800,000Jul 1999 $34,8812025 1 Name on Record AssessorUpdated Jul 2026

363 Main Ave

1 ba · 6,998 sqft · 0.9 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$24,1732025 1 Name on Record AssessorUpdated Jul 2026

370 Main Ave

1 ba · 3,564 sqft · 0.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$20,0172025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

371 Main Ave

1 ba · 450 sqft · 0.45 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,900,000Dec 2019 $6,1862025 Amount on Record Mar 2000 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

377 Main Ave

1 ba · 3,999 sqft · 0.353 acres

Last Sale Tax Bill Prior Sale Owner Records
$750,000Mar 2000 $19,8682025 Amount on Record Sep 1996 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

380 Main Ave

81,640 sqft · Built 1996 · 7.53 acres

Last Sale Tax Bill Prior Sale Owner Records
$504,6282025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

383 Main Ave

34 ba · 238,879 sqft · 4.3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$15,218,000Oct 1994 $536,5882025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

394 Main Ave

0.319 acres

Last Sale Tax Bill Prior Sale Owner Records
$22,0622025 1 Name on Record AssessorUpdated Jul 2026

395 Main Ave

0.5 ba · 1,624 sqft · 0.362 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,920,000Aug 2025 $25,0022025 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

396 Main Ave

20 bd · 80 ba · 66,363 sqft · 5.51 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$587,500Dec 1997 $182,9982025 Amount on Record — 1 Name on Record AssessorUpdated Jul 2026

399 Main Ave

20 bd · 80 ba · 271,344 sqft · 2.35 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$765,000Nov 2016 $1,253,6762025 Amount on Record Dec 2006 1 Name on Record AssessorUpdated Jul 2026

410 Main Ave

0.641 acres

Last Sale Tax Bill Prior Sale Owner Records
$75,000Jun 2022 $1,2102025 Amount on Record Sep 2014 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

426 Main Ave

20 bd · 80 ba · 56,769 sqft · 2.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,000,000Jun 2005 $206,5592025 Amount on Record Dec 1999 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

430 Main Ave

18 bd · 14.5 ba · 34,583 sqft · 1.51 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,000,000Jan 2023 $98,5052025 Amount on Record Oct 2008 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

442 Main Ave

23 units · Built 2005 · 1,885 sq ft

Last Sale Median Tax Bill Median Sale    
$650,000Aug 2025 $9,3032025 $555,00023 units    

444 Main Ave, #446

0.65 acres

Last Sale Tax Bill Prior Sale Owner Records
$40,000Jun 1997 $8,5582025 1 Name on Record AssessorUpdated Jul 2026

454 Main Ave

4 bd · 5.5 ba · 10,162 sqft · 0.646 acres

Last Sale Tax Bill Prior Sale Owner Records
$39,1772025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

456 Main Ave

3.5 ba · 8,100 sqft · 0.778 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,518,500May 1998 $43,3392025 2 Names on Record AssessorUpdated Jul 2026

464 Main Ave

1.5 ba · 6,510 sqft · 1.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$33,1712025 1 Name on Record AssessorUpdated Jul 2026

470 Main Ave

3.34 acres

Last Sale Tax Bill Prior Sale Owner Records
$750,000Nov 1994 $70,1982025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

474 Main Ave

3.45 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$360,9962025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

479 Main Ave

0.5 ba · 3,000 sqft · 0.46 acres

Last Sale Tax Bill Prior Sale Owner Records
$20,628,520May 1995 $37,0972025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

488 Main Ave

2 ba · 34,546 sqft · 1.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,050,000Jun 2007 $83,1972025 Amount on Record Feb 1997 1 Name on Record AssessorUpdated Jul 2026

508 Main Ave

1 ba · 6,982 sqft · 0.387 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,580,000May 2008 $16,9582025 1 Name on Record AssessorUpdated Jul 2026

520 Main Ave

1 ba · 49,156 sqft · 4.34 acres

Last Sale Tax Bill Prior Sale Owner Records
$133,200Jun 1997 $155,6462025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

527 Main Ave

1 ba · 1,980 sqft · 0.41 acres

Last Sale Tax Bill Prior Sale Owner Records
$37,2732025 2 Names on Record Assessor + 4 DocumentsUpdated Jul 2026

540 Main Ave

4 ba · 15,717 sqft · 2.71 acres

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

544 Main Ave

2 ba · 4,507 sqft · 0.993 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000May 2024 $42,2242025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

547 Main Ave

2 bd · 2 ba · 2,254 sqft · 0.994 acres

Last Sale Tax Bill Prior Sale Owner Records
$305,000Jul 2013 $14,7952025 1 Name on Record AssessorUpdated Jul 2026

549 Main Ave

0.119 acres

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

550 Main Ave

0.95 acres

Last Sale Tax Bill Prior Sale Owner Records
$32,8402024 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

551 Main Ave

0.5 ba · 1,640 sqft · 0.421 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,275,000Apr 2008 $43,3722025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

552 Main Ave

1 ba · 11,320 sqft · 0.666 acres

Last Sale Tax Bill Prior Sale Owner Records
$750,000Apr 2000 1 Name on Record AssessorUpdated Jul 2026

555 Main Ave

1 ba · 2,746 sqft · 0.533 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,850,000Sep 2025 $38,4542025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

558 Main Ave

0.61 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,265,000Jul 2007 $23,2742025 1 Name on Record AssessorUpdated Jul 2026

560 Main Ave

20 bd · 80 ba · 86,393 sqft · 0.839 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$346,4642025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

566 Main Ave

1.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$53,3542025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

570 Main Ave

2 ba · 9,930 sqft · 0.505 acres

Last Sale Tax Bill Prior Sale Owner Records
$660,000Mar 1994 $35,8052025 1 Name on Record AssessorUpdated Jul 2026

574 Main Ave

2 ba · 14,862 sqft · 1.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$55,0092025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

580 Main Ave

0.5 ba · 7,172 sqft · 0.581 acres

Last Sale Tax Bill Prior Sale Owner Records
$46,4212025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

584 Main Ave

0.5 ba · 2,496 sqft · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,9392025 1 Name on Record AssessorUpdated Jul 2026

588 Main Ave

1.5 ba · 5,732 sqft · 0.371 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Apr 1985 $38,7852025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

594 Main Ave

0.5 ba · 5,009 sqft · 0.482 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,350,000Mar 2026 $48,6102025 Amount on Record Dec 1997 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

607 Main Ave

3 bd · 2.5 ba · 1,340 sqft · 2.02 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$12,850,000Sep 2025 $5,5492025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

611 Main Ave

1 ba · 1,868 sqft · 0.344 acres

Last Sale Tax Bill Prior Sale Owner Records
$13,9902025 1 Name on Record AssessorUpdated Jul 2026

625 Main Ave

0.5 ba · 1,348 sqft · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$435,000Jun 2026 $10,6622025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

640 Main Ave

1 ba · 2,224 sqft · 0.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,700,000Sep 2007 $25,7532025 Amount on Record Feb 1999 1 Name on Record AssessorUpdated Jul 2026

650 Main Ave

11.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$516,7302025 2 Names on Record AssessorUpdated Jul 2026

660 Main Ave

0.5 ba · 2,567 sqft · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$27,000,000Apr 2004 $26,4432025 1 Name on Record AssessorUpdated Jul 2026

662 Main Ave

0.323 acres

Last Sale Tax Bill Prior Sale Owner Records
$14,9552025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

664 Main Ave

2.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000Sep 2019 Amount on Record Jan 2003 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

664 Main Ave

14 units · Built 1989 · 746 sq ft

Last Sale Median Tax Bill Median Sale    
$280,000Aug 2025 $4,8772025 $270,00014 units    

666 Main Ave

28 units · Built 1989 · 969 sq ft

Last Sale Median Tax Bill Median Sale    
$280,000Sep 2025 $4,1342025 $262,50028 units    

761 Main Ave

21.3 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$977,3492025 1 Name on Record Assessor + 7 DocumentsUpdated Jul 2026

777 Main Ave

0.047 acres

Last Sale Tax Bill Prior Sale Owner Records
$8062025 1 Name on Record AssessorUpdated Jul 2026

801 Main Ave

9 ba · 320,588 sqft · 3.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$7,500,000Feb 2001 $1,313,1872025 Amount on Record Sep 1999 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

901 Main Ave

32 ba · 339,272 sqft · 4.06 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,000,000Feb 2001 $2,102,8312025 Amount on Record Sep 1999 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

Wildfire Risk on Main Ave

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

Wildfire RiskLow
this street's cells rank at the 2nd percentile of exposed land nationally · 2nd in Connecticut
Wildfire LikelihoodLow — less than 1 in 10,000 per year
ExposureDirect
3 of 16 cells directly exposed · 7 adjoin burnable vegetation

Property Records in Nearby Streets