70 Warren Av #4-1, Chelsea — property record card

Condo NL MDL-05 built in 1970 in Chelsea, assessed at $10,684,700 for fiscal year 2026; last sold for $233,500 on December 3, 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	70 Warren Av #4-1, Chelsea MA 02150
Map and parcel ID	73-35 73-35BC
Use	Condo NL MDL-05 (use code 1021)
County	Suffolk

Valuation — fiscal year 2026

Building	$10,648,700
Land	$0
Other	$36,000
Total assessed	$10,684,700

Building

Year built	1970
Style	Condo-Apt
Living area	870 ft²
Rooms	4
Units	37

Last recorded sale

Price	$233,500
Date	December 3, 2025
Deed	Registry of Deeds book 72172, page 119

37 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
70 Warren Av	73-35	Other, Open Space	$0	nominal ($0) January 30, 2003
70 Warren Av #1-1	73-35AE	Condo NL MDL-05	$310,800	$225,000 July 20, 2016
70 Warren Av #1-2	73-35AF	Condo NL MDL-05	$310,800	$184,900 September 17, 2015
70 Warren Av #1-3	73-35AG	Condo NL MDL-05	$280,600	nominal ($1) May 31, 2024
70 Warren Av #1-4	73-35AH	Condo NL MDL-05	$278,000	$245,000 September 3, 2021
70 Warren Av #1-5	73-35AI	Condo NL MDL-05	$280,600	$150,000 July 18, 2015
70 Warren Av #1-6	73-35AJ	Condo NL MDL-05	$225,600	$124,900 August 27, 2003
70 Warren Av #1-7	73-35AK	Condo NL MDL-05	$310,800	nominal ($1) September 4, 2004
70 Warren Av #1-8	73-35AL	Condo NL MDL-05	$310,800	$233,500 December 3, 2025
70 Warren Av #2-1	73-35AM	Condo NL MDL-05	$314,400	nominal ($1) March 15, 2022
70 Warren Av #2-2	73-35AN	Condo NL MDL-05	$317,300	$245,000 April 30, 2018
70 Warren Av #2-3	73-35AO	Condo NL MDL-05	$284,100	$135,000 September 27, 2013
70 Warren Av #2-4	73-35AP	Condo NL MDL-05	$285,800	$290,000 October 12, 2022
70 Warren Av #2-5	73-35AQ	Condo NL MDL-05	$284,100	$80,000 August 3, 2011
70 Warren Av #2-6	73-35AR	Condo NL MDL-05	$285,800	$300,000 August 31, 2022
70 Warren Av #2-7	73-35AS	Condo NL MDL-05	$314,400	$135,000 May 11, 2009
70 Warren Av #2-8	73-35AT	Condo NL MDL-05	$314,400	$261,521 August 11, 2017
70 Warren Av #3-1	73-35AU	Condo NL MDL-05	$314,400	$200,000 April 21, 2015
70 Warren Av #3-2	73-35AV	Condo NL MDL-05	$314,400	$179,900 September 26, 2003
70 Warren Av #3-3	73-35AW	Condo NL MDL-05	$281,400	$225,000 January 29, 2019
70 Warren Av #3-4	73-35AX	Condo NL MDL-05	$285,800	$176,900 March 19, 2004
70 Warren Av #3-5	73-35AY	Condo NL MDL-05	$284,100	$145,000 October 1, 2015
70 Warren Av #3-6	73-35AZ	Condo NL MDL-05	$280,400	nominal ($1) April 8, 2025
70 Warren Av #3-7	73-35BA	Condo NL MDL-05	$308,500	$250,000 December 12, 2018
70 Warren Av #3-8	73-35BB	Condo NL MDL-05	$314,400	$170,000 September 25, 2015
70 Warren Av #4-1	73-35BC	Condo NL MDL-05	$328,300	$320,000 November 5, 2021
70 Warren Av #4-2	73-35BD	Condo NL MDL-05	$317,300	$382,500 April 8, 2025
70 Warren Av #4-3	73-35BE	Condo NL MDL-05	$284,100	$280,000 October 21, 2021
70 Warren Av #4-4	73-35BF	Condo NL MDL-05	$285,800	$155,000 May 18, 2015
70 Warren Av #4-5	73-35BG	Condo NL MDL-05	$278,800	$235,000 September 11, 2018
70 Warren Av #4-6	73-35BH	Condo NL MDL-05	$285,800	$177,000 April 29, 2016
70 Warren Av #4-7	73-35BI	Condo NL MDL-05	$314,400	nominal ($1) March 15, 2022
70 Warren Av #4-8	73-35BJ	Condo NL MDL-05	$314,400	$215,000 May 25, 2007
70 Warren Av #G-1	73-35AA	Condo NL MDL-05	$310,800	nominal ($1) November 28, 2023
70 Warren Av #G-2	73-35AB	Condo NL MDL-05	$280,600	nominal ($100) August 20, 2018
70 Warren Av #G-3	73-35AC	Condo NL MDL-05	$281,900	$239,000 December 7, 2020
70 Warren Av #G-4	73-35AD	Condo NL MDL-05	$310,800	$218,000 August 1, 2016

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): 1 active tier-classified 21E site and 1 site with an Activity and Use Limitation. All MassDEP sites in Chelsea.

What this means

Assessed 679% above the median condo nl mdl-05 in Chelsea ($1,371,500, 256 parcels).
The last sale price is 98% below the current assessment. Massachusetts assessments aim at full market value as of January 1 of the year before the fiscal year.
Built before 1978: the Massachusetts Lead Law applies when a child under six lives there; ask for any lead inspection or letter of compliance.

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 70 Warren Av #4-1

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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