50 Boatswains Wy #508, Chelsea — property record card

Condo NL MDL-05 built in 1987 in Chelsea, assessed at $34,655,400 for fiscal year 2026; last transferred October 31, 2025 for a nominal sum.

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	50 Boatswains Wy #508, Chelsea MA 02150
Map and parcel ID	17-7 17-7A39
Use	Condo NL MDL-05 (use code 1021)
County	Suffolk

Valuation — fiscal year 2026

Building	$34,655,400
Land	$0
Total assessed	$34,655,400

Building

Year built	1987
Style	Condo-Apt
Living area	1,331 ft²
Rooms	4
Units	69

Last recorded sale

Price	nominal ($100)
Date	October 31, 2025
Deed	Registry of Deeds book 72050, page 250

69 assessor accounts on this parcel

Condominium units or several buildings share one parcel; each has its own assessment (first 60 shown).

Address	Account	Use	Assessed	Last sale
50 Boatswains Wy	17-7	Other, Open Space	$0	nominal ($0) April 15, 1987
50 Boatswains Wy #101	17-7A	Condo NL MDL-05	$489,000	$260,000 June 26, 2015
50 Boatswains Wy #102	17-7B	Condo NL MDL-05	$513,500	$460,000 September 10, 2021
50 Boatswains Wy #103	17-7C	Condo NL MDL-05	$581,600	$525,000 February 7, 2024
50 Boatswains Wy #104	17-7D	Condo NL MDL-05	$491,400	$280,000 August 25, 2003
50 Boatswains Wy #105	17-7E	Condo NL MDL-05	$507,000	$515,000 September 30, 2025
50 Boatswains Wy #106	17-7F	Condo NL MDL-05	$507,000	$461,750 November 16, 2020
50 Boatswains Wy #108	17-7G	Condo NL MDL-05	$522,300	nominal ($1) June 14, 2016
50 Boatswains Wy #109	17-7H	Condo NL MDL-05	$513,900	$380,000 April 3, 2018
50 Boatswains Wy #110	17-7J	Condo NL MDL-05	$507,000	$435,000 November 29, 2021
50 Boatswains Wy #111	17-7K	Condo NL MDL-05	$516,000	$412,000 July 31, 2019
50 Boatswains Wy #112	17-7L	Condo NL MDL-05	$491,400	nominal ($1) May 25, 2016
50 Boatswains Wy #113	17-7M	Condo NL MDL-05	$489,000	$147,000 July 14, 1999
50 Boatswains Wy #114	17-7N	Condo NL MDL-05	$470,700	nominal ($0) August 16, 2006
50 Boatswains Wy #201	17-7P	Condo NL MDL-05	$486,900	nominal ($1) October 15, 1992
50 Boatswains Wy #202	17-7Q	Condo NL MDL-05	$486,900	$355,000 September 9, 2015
50 Boatswains Wy #203	17-7R	Condo NL MDL-05	$495,500	$374,500 January 19, 2018
50 Boatswains Wy #204	17-7S	Condo NL MDL-05	$488,900	$500,000 November 4, 2024
50 Boatswains Wy #205	17-7T	Condo NL MDL-05	$506,700	nominal ($0) August 16, 2006
50 Boatswains Wy #206	17-7U	Condo NL MDL-05	$595,400	$535,000 January 14, 2022
50 Boatswains Wy #208	17-7V	Condo NL MDL-05	$524,400	$330,000 April 28, 2004
50 Boatswains Wy #209	17-7W	Condo NL MDL-05	$506,700	nominal ($1) February 3, 2021
50 Boatswains Wy #210	17-7X	Condo NL MDL-05	$557,400	$390,000 December 6, 2022
50 Boatswains Wy #211	17-7Y	Condo NL MDL-05	$491,100	$93,000 May 24, 1996
50 Boatswains Wy #212	17-7A1	Condo NL MDL-05	$515,600	nominal ($1) April 13, 2001
50 Boatswains Wy #213	17-7A2	Condo NL MDL-05	$486,900	$409,999 December 31, 2020
50 Boatswains Wy #214	17-7A3	Condo NL MDL-05	$486,900	nominal ($0) December 6, 2012
50 Boatswains Wy #301	17-7A4	Condo NL MDL-05	$486,900	nominal ($0) January 12, 1989
50 Boatswains Wy #302	17-7A5	Condo NL MDL-05	$511,300	$599,000 July 9, 2024
50 Boatswains Wy #303	17-7A6	Condo NL MDL-05	$468,600	$475,000 March 10, 2025
50 Boatswains Wy #304	17-7A7	Condo NL MDL-05	$550,000	$389,000 August 28, 2017
50 Boatswains Wy #305	17-7A8	Condo NL MDL-05	$506,700	$311,000 August 31, 2015
50 Boatswains Wy #306	17-7A9	Condo NL MDL-05	$506,700	nominal ($1) April 10, 2014
50 Boatswains Wy #307	17-7A10	Condo NL MDL-05	$400,400	$303,500 December 30, 2019
50 Boatswains Wy #308	17-7A11	Condo NL MDL-05	$524,600	$317,500 February 13, 2004
50 Boatswains Wy #309	17-7A12	Condo NL MDL-05	$483,100	nominal ($1) September 18, 2024
50 Boatswains Wy #310	17-7A13	Condo NL MDL-05	$506,700	$275,000 June 21, 2010
50 Boatswains Wy #311	17-7A14	Condo NL MDL-05	$488,900	$308,000 April 29, 2005
50 Boatswains Wy #312	17-7A15	Condo NL MDL-05	$513,300	$325,000 December 6, 2006
50 Boatswains Wy #313	17-7A16	Condo NL MDL-05	$488,900	$265,000 October 24, 2014
50 Boatswains Wy #314	17-7A17	Condo NL MDL-05	$489,100	nominal ($1) August 16, 2023
50 Boatswains Wy #401	17-7A18	Condo NL MDL-05	$491,100	$290,000 April 27, 2007
50 Boatswains Wy #402	17-7A19	Condo NL MDL-05	$515,900	nominal ($1) February 13, 2019
50 Boatswains Wy #403	17-7A20	Condo NL MDL-05	$493,300	$268,000 May 8, 2015
50 Boatswains Wy #404	17-7A21	Condo NL MDL-05	$488,900	$285,000 November 30, 2009
50 Boatswains Wy #405	17-7A22	Condo NL MDL-05	$506,700	$400,000 May 20, 2019
50 Boatswains Wy #406	17-7A23	Condo NL MDL-05	$506,700	nominal ($1) August 26, 2011
50 Boatswains Wy #407	17-7A24	Condo NL MDL-05	$518,200	nominal ($10) April 5, 2016
50 Boatswains Wy #408	17-7A25	Condo NL MDL-05	$524,400	nominal ($10) January 21, 2025
50 Boatswains Wy #409	17-7A26	Condo NL MDL-05	$506,700	nominal ($1) February 6, 2006
50 Boatswains Wy #410	17-7A27	Condo NL MDL-05	$565,000	$510,000 December 22, 2023
50 Boatswains Wy #411	17-7A28	Condo NL MDL-05	$488,900	$400,000 December 12, 2019
50 Boatswains Wy #412	17-7A29	Condo NL MDL-05	$488,900	$315,000 August 29, 2003
50 Boatswains Wy #413	17-7A30	Condo NL MDL-05	$605,700	$570,000 June 11, 2024
50 Boatswains Wy #414	17-7A31	Condo NL MDL-05	$486,900	nominal ($0) November 30, 1994
50 Boatswains Wy #501	17-7A32	Condo NL MDL-05	$535,600	$455,000 July 30, 2020
50 Boatswains Wy #502	17-7A33	Condo NL MDL-05	$486,900	$600,000 October 27, 2023
50 Boatswains Wy #503	17-7A34	Condo NL MDL-05	$523,100	$595,000 May 16, 2025
50 Boatswains Wy #504	17-7A35	Condo NL MDL-05	$488,900	nominal ($100) October 31, 2023
50 Boatswains Wy #505	17-7A36	Condo NL MDL-05	$570,100	$492,500 August 2, 2021

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 5 sites with an Activity and Use Limitation. All MassDEP sites in Chelsea.

What this means

Assessed 2427% above the median condo nl mdl-05 in Chelsea ($1,371,500, 256 parcels).
The last deed was recorded for a nominal sum: a transfer between family members, into a trust or a similar non-market sale. It says nothing about the market value.

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 50 Boatswains Wy #508

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.

$19card · PDF within 24 h · you pay after receiving itSee the sample (PDF)

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