23 Chestnut St #3L, Chelsea — property record card
Condo NL MDL-05 built in 1900 in Chelsea, assessed at $4,104,000 for fiscal year 2026; last sold for $341,700 on December 30, 2025.
Parcel
| Location | 23 Chestnut St #3L, Chelsea MA 02150 |
|---|---|
| Map and parcel ID | 18-17 18-17E |
| Use | Condo NL MDL-05 |
| County | Suffolk |
Valuation — fiscal year 2026
| Building | $4,102,200 |
|---|---|
| Land | $0 |
| Other | $1,800 |
| Total assessed | $4,104,000 |
Building
| Year built | 1900 |
|---|---|
| Style | Condominium |
| Living area | 825 ft² |
| Rooms | 5 |
| Units | 11 |
Last recorded sale
| Price | $341,700 |
|---|---|
| Date | December 30, 2025 |
| Deed | Registry of Deeds book 72269, page 285 |
11 assessor accounts on this parcel
| Address | Account | Use | Assessed | Last sale |
|---|---|---|---|---|
| 21 Chestnut St | 18-17 | Other, Open Space | $0 | nominal ($0) |
| 21 Chestnut St #1R | 18-17B | Condo NL MDL-05 | $393,600 | $435,000 |
| 21 Chestnut St #2R | 18-17D | Condo NL MDL-05 | $384,900 | $202,000 |
| 21 Chestnut St #3R | 18-17F | Condo NL MDL-05 | $449,000 | $365,000 |
| 21 Chestnut St #4R | 18-17H | Condo NL MDL-05 | $432,400 | $497,500 |
| 21 Chestnut St #5R | 18-17K | Condo NL MDL-05 | $448,300 | $396,000 |
| 23 Chestnut St #1L | 18-17A | Condo NL MDL-05 | $388,000 | $395,000 |
| 23 Chestnut St #2L | 18-17C | Condo NL MDL-05 | $312,700 | $341,700 |
| 23 Chestnut St #3L | 18-17E | Condo NL MDL-05 | $451,400 | $333,000 |
| 23 Chestnut St #4L | 18-17G | Condo NL MDL-05 | $432,400 | $147,000 |
| 23 Chestnut St #5L | 18-17J | Condo NL MDL-05 | $411,300 | $405,000 |
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): 2 active tier-classified 21E sites and 6 sites with an Activity and Use Limitation. All MassDEP sites in Chelsea.
What this means
- Assessed 199% above the median condo nl mdl-05 in Chelsea ($1,371,500, 256 parcels).
- The last sale price is 92% 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.

The report for 23 Chestnut St #3L
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)