23 Bay State Rd, Cambridge — property record card
CLEAN-MANUF built in 1964 on 0.29 acres in Cambridge, assessed at $1,866,100 for fiscal year 2026; last sold for $1,150,000 on December 31, 2004.
Rebuilt from the Cambridge assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Cambridge assessor’s office.
Parcel
| Location | 23 Bay State Rd |
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| Map and parcel ID | 273-43 |
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| Use | CLEAN-MANUF (use code 407) |
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| Zoning | C-1A |
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| County | Middlesex |
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Valuation — fiscal year 2026
| Building | $366,100 |
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| Land | $1,500,000 |
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| Total assessed | $1,866,100 |
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Land
| Lot size | 0.29 acres (12,632 ft²) |
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Building
| Year built | 1964 |
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| Style | INDUST-MFCTR |
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| Living area | 10,810 ft² |
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| Stories | 2 |
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Last recorded sale
| Price | $1,150,000 |
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| Date | December 31, 2004 |
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| Deed | Registry of Deeds book 01294, page 0170 |
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What MassDEP has recorded
- RTN 3-0015863 — No Location Aid, activity and use limitation, status PSC, class PA, AUL recorded June 18, 2014 · MassDEP file
Within about 500 m (a third of a mile): 4 active tier-classified 21E sites and 9 sites with an Activity and Use Limitation. All MassDEP sites in Cambridge.
What this means
- An Activity and Use Limitation is a deed restriction: it limits how the land may be used (often no residential use or no digging) and passes to every buyer.
Point at the centre of the assessor parcel — not a survey.
Data: Cambridge 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 23 Bay State Rd
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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