250 Congress Av #22, Chelsea — property record card

Condo NL MDL-05 built in 1987 in Chelsea, assessed at $18,582,300 for fiscal year 2026; last sold for $490,000 on September 23, 2025.

Rebuilt from the Chelsea assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Chelsea assessor’s office.

Parcel

Location	250 Congress Av #22, Chelsea MA 02150
Map and parcel ID	13-61 13-61V
Use	Condo NL MDL-05 (use code 1021)
County	Suffolk

Valuation — fiscal year 2026

Building	$18,582,300
Land	$0
Total assessed	$18,582,300

Building

Year built	1987
Style	Condo-Twnhse
Living area	1,078 ft²
Rooms	5
Units	48

Last recorded sale

Price	$490,000
Date	September 23, 2025
Deed	Registry of Deeds book 71899, page 30

48 assessor accounts on this parcel

Condominium units or several buildings share one parcel; each has its own assessment.

Address	Account	Use	Assessed	Last sale
250 Congress Av	13-61	Other, Open Space	$0	nominal ($0) February 25, 1987
250 Congress Av #01	13-61A	Condo NL MDL-05	$380,600	$350,000 June 29, 2018
250 Congress Av #02	13-61B	Condo NL MDL-05	$411,800	$365,000 November 10, 2020
250 Congress Av #03	13-61C	Condo NL MDL-05	$398,500	$247,000 November 1, 2006
250 Congress Av #04	13-61D	Condo NL MDL-05	$417,400	nominal ($1) April 29, 2020
250 Congress Av #05	13-61E	Condo NL MDL-05	$378,800	$190,000 March 27, 2007
250 Congress Av #06	13-61F	Condo NL MDL-05	$378,800	$121,000 August 31, 2000
250 Congress Av #07	13-61G	Condo NL MDL-05	$380,400	$205,000 September 3, 2013
250 Congress Av #08	13-61H	Condo NL MDL-05	$395,600	nominal ($100) October 7, 2014
250 Congress Av #09	13-61I	Condo NL MDL-05	$340,900	$347,000 August 25, 2025
250 Congress Av #10	13-61J	Condo NL MDL-05	$395,600	$455,000 September 27, 2024
250 Congress Av #11	13-61K	Condo NL MDL-05	$378,800	nominal ($100) March 9, 2015
250 Congress Av #12	13-61L	Condo NL MDL-05	$378,800	$207,000 December 10, 2002
250 Congress Av #13	13-61M	Condo NL MDL-05	$395,600	nominal ($1) October 6, 2017
250 Congress Av #14	13-61N	Condo NL MDL-05	$378,800	$135,000 December 31, 2012
250 Congress Av #15	13-61O	Condo NL MDL-05	$395,600	$72,000 June 2, 1998
250 Congress Av #16	13-61P	Condo NL MDL-05	$378,800	nominal ($10) October 4, 2021
250 Congress Av #17	13-61Q	Condo NL MDL-05	$413,100	$400,000 July 31, 2023
250 Congress Av #18	13-61R	Condo NL MDL-05	$395,600	$203,463 July 31, 2015
250 Congress Av #19	13-61S	Condo NL MDL-05	$378,800	$90,000 July 30, 1999
250 Congress Av #20	13-61T	Condo NL MDL-05	$395,600	$380,000 September 19, 2024
250 Congress Av #21	13-61U	Condo NL MDL-05	$395,600	$210,000 May 3, 2004
250 Congress Av #22	13-61V	Condo NL MDL-05	$457,200	$406,000 May 21, 2021
250 Congress Av #23	13-61W	Condo NL MDL-05	$414,600	$390,000 December 23, 2021
250 Congress Av #24	13-61X	Condo NL MDL-05	$380,100	nominal ($1) May 10, 2012
250 Congress Av #25	13-61Y	Condo NL MDL-05	$401,200	$155,000 May 30, 2008
250 Congress Av #26	13-61Z	Condo NL MDL-05	$384,100	$155,000 August 15, 2001
250 Congress Av #27	13-61AA	Condo NL MDL-05	$379,300	nominal ($0) November 16, 1987
250 Congress Av #28	13-61AB	Condo NL MDL-05	$384,100	nominal ($0) August 16, 2010
250 Congress Av #29	13-61AC	Condo NL MDL-05	$432,100	$490,000 September 23, 2025
250 Congress Av #30	13-61AD	Condo NL MDL-05	$401,200	nominal ($1) October 5, 2012
250 Congress Av #31	13-61AE	Condo NL MDL-05	$421,100	$387,000 August 27, 2020
250 Congress Av #32	13-61AF	Condo NL MDL-05	$385,300	nominal ($1) December 4, 2014
250 Congress Av #33	13-61AG	Condo NL MDL-05	$404,900	$430,000 April 21, 2023
250 Congress Av #34	13-61AH	Condo NL MDL-05	$385,300	$55,000 December 9, 1996
250 Congress Av #35	13-61AI	Condo NL MDL-05	$402,400	$122,000 May 30, 2000
250 Congress Av #36	13-61AJ	Condo NL MDL-05	$385,300	nominal ($100) November 30, 2017
250 Congress Av #37	13-61AK	Condo NL MDL-05	$398,300	$82,000 April 16, 1999
250 Congress Av #38	13-61AL	Condo NL MDL-05	$438,900	$460,000 March 8, 2024
250 Congress Av #39	13-61AM	Condo NL MDL-05	$411,000	$197,000 June 25, 2014
250 Congress Av #40	13-61AN	Condo NL MDL-05	$384,000	$312,500 September 6, 2018
250 Congress Av #41	13-61AO	Condo NL MDL-05	$407,000	$258,000 August 25, 2006
250 Congress Av #42	13-61AP	Condo NL MDL-05	$372,400	nominal ($10) May 2, 2023
250 Congress Av #43	13-61AR	Condo NL MDL-05	$393,100	$290,000 May 22, 2017
250 Congress Av #44	13-61AS	Condo NL MDL-05	$397,500	nominal ($0) June 15, 1988
250 Congress Av #45	13-61AT	Condo NL MDL-05	$396,200	$184,900 February 28, 2008
250 Congress Av #46	13-61AU	Condo NL MDL-05	$413,400	nominal ($0) August 1, 1997
250 Congress Av #47	13-61AV	Condo NL MDL-05	$388,800	$195,000 June 17, 2015

What MassDEP has recorded

No tier-classified 21E site and no Activity and Use Limitation is mapped on this parcel.

Within about 500 m (a third of a mile): 4 active tier-classified 21E sites and 15 sites with an Activity and Use Limitation. All MassDEP sites in Chelsea.

What this means

Assessed 1255% above the median condo nl mdl-05 in Chelsea ($1,371,500, 256 parcels).
The last sale price is 97% below the current assessment. Massachusetts assessments aim at full market value as of January 1 of the year before the fiscal year.

Point at the centre of the assessor parcel — not a survey.

Data: Chelsea assessor file for fiscal year 2026, via MassGIS, retrieved October 30, 2026; MassDEP sites retrieved the same day. Sources and freshness. No owner names are published.

First page of a sample Massachusetts Property Report

The report for 250 Congress Av #22

This page shows the assessor record and the MassDEP sites on the parcel. The report adds what lies around it: FEMA flood zone, wetlands, Zone II and other water supply protection areas, priority habitat, sewer or septic service, protected open space, and every 21E site within half a mile.

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