83 Walnut St 83-4, Newton — property record card
Residential Condominium built in 1970 on 1.73 acres in Newton, assessed at $12,964,900 for fiscal year 2026; last sold for $290,000 on October 8, 2025.
Rebuilt from the Newton assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Newton assessor’s office.
Parcel
| Location | 83 Walnut St 83-4, Newton MA 02460 |
|---|
| Map and parcel ID | 21024 0016 21024 0016AA |
|---|
| Use | Residential Condominium (use code 1020) |
|---|
| Zoning | MR2 |
|---|
| County | Middlesex |
|---|
Valuation — fiscal year 2026
| Building | $12,964,900 |
|---|
| Land | $0 |
|---|
| Total assessed | $12,964,900 |
|---|
Land
| Lot size | 1.73 acres (75,189 ft²) |
|---|
Building
| Year built | 1970 |
|---|
| Style | Condominium |
|---|
| Living area | 874 ft² |
|---|
| Rooms | 5 |
|---|
| Units | 37 |
|---|
Last recorded sale
| Price | $290,000 |
|---|
| Date | October 8, 2025 |
|---|
| Deed | Registry of Deeds book 84713, page 352 |
|---|
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 |
|---|
| 73 Walnut St 73-1 | 21024 0016 | Residential Condominium | $356,000 | $395,000 July 14, 2025 |
| 73 Walnut St 73-2 | 21024 0016A | Residential Condominium | $208,200 | $229,000 November 6, 2018 |
| 73 Walnut St 73-3 | 21024 0016B | Residential Condominium | $269,400 | $227,110 May 20, 2021 |
| 73 Walnut St 73-5 | 21024 0016D | Residential Condominium | $363,500 | $320,000 May 28, 2021 |
| 73 Walnut St 73-6 | 21024 0016E | Residential Condominium | $360,400 | nominal ($1) August 10, 2021 |
| 73 Walnut St 73-7 | 21024 0016F | Residential Condominium | $373,200 | nominal ($100) June 24, 2021 |
| 73 Walnut St 73-8 | 21024 0016G | Residential Condominium | $414,200 | $450,000 May 22, 2023 |
| 73 Walnut St 73-9 | 21024 0016H | Residential Condominium | $188,800 | $174,692 January 28, 2022 |
| 73 Walnut St 73-10 | 21024 0016I | Residential Condominium | $370,200 | $375,000 October 30, 2020 |
| 73 Walnut St 73-11 | 21024 0016J | Residential Condominium | $419,300 | $388,000 October 21, 2019 |
| 73 Walnut St #73-4 | 21024 0016C | Residential Condominium | $414,200 | $404,000 March 17, 2020 |
| 73 Walnut St #73-12 | 21024 0016K | Residential Condominium | $375,000 | $282,500 August 1, 2004 |
| 73-89 Walnut St | 21024 0016MAIN | Other, Open Space | $0 | |
| 79 Walnut St 79-1 | 21024 0016L | Residential Condominium | $374,000 | $300,000 September 8, 2016 |
| 79 Walnut St 79-2 | 21024 0016M | Residential Condominium | $399,200 | nominal ($1) March 18, 2024 |
| 79 Walnut St 79-3 | 21024 0016N | Residential Condominium | $203,000 | $290,000 October 8, 2025 |
| 79 Walnut St 79-4 | 21024 0016O | Residential Condominium | $356,000 | $230,000 September 28, 2006 |
| 79 Walnut St 79-5 | 21024 0016P | Residential Condominium | $375,000 | $252,500 September 17, 2010 |
| 79 Walnut St 79-7 | 21024 0016R | Residential Condominium | $360,400 | $395,200 August 21, 2025 |
| 79 Walnut St 79-9 | 21024 0016T | Residential Condominium | $375,000 | $153,000 December 29, 2020 |
| 79 Walnut St 79-10 | 21024 0016U | Residential Condominium | $373,200 | $263,000 April 23, 2007 |
| 79 Walnut St 79-11 | 21024 0016V | Residential Condominium | $360,400 | $266,000 January 12, 2016 |
| 79 Walnut St 79-12 | 21024 0016W | Residential Condominium | $335,600 | $218,000 December 22, 2016 |
| 79 Walnut St #79-6 | 21024 0016Q | Residential Condominium | $373,200 | $420,000 March 30, 2023 |
| 79 Walnut St #79-8 | 21024 0016S | Residential Condominium | $393,300 | nominal ($1) December 6, 2019 |
| 83 Walnut St 83-2 | 21024 0016Y | Residential Condominium | $329,000 | $315,000 July 26, 2018 |
| 83 Walnut St 83-3 | 21024 0016Z | Residential Condominium | $363,100 | $220,000 April 17, 2012 |
| 83 Walnut St 83-4 | 21024 0016AA | Residential Condominium | $436,200 | $156,000 September 1, 1999 |
| 83 Walnut St 83-5 | 21024 0016AB | Residential Condominium | $363,100 | nominal ($1) July 30, 2010 |
| 83 Walnut St 83-6 | 21024 0016AC | Residential Condominium | $436,200 | $133,000 October 1, 1998 |
| 83 Walnut St #83-1 | 21024 0016X | Residential Condominium | $360,800 | nominal ($10) November 12, 2024 |
| 89 Walnut St 89-2 | 21024 0016AE | Residential Condominium | $360,800 | $72,000 July 1, 1995 |
| 89 Walnut St 89-3 | 21024 0016AF | Residential Condominium | $436,200 | $199,900 March 1, 2000 |
| 89 Walnut St 89-4 | 21024 0016AG | Residential Condominium | $363,100 | $240,000 April 12, 2010 |
| 89 Walnut St 89-5 | 21024 0016AH | Residential Condominium | $436,200 | nominal ($1) December 11, 2024 |
| 89 Walnut St 89-6 | 21024 0016AI | Residential Condominium | $363,100 | $355,000 August 29, 2018 |
| 89 Walnut St #89-1 | 21024 0016AD | Residential Condominium | $326,400 | $43,900 August 27, 1981 |
What MassDEP has recorded
No tier-classified 21E site and no Activity and Use Limitation is mapped on this parcel.
What this means
- Assessed 502% above the median residential condominium in Newton ($2,155,400, 1,525 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: Newton 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.

The report for 83 Walnut St 83-4
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)
Order the report