30 Common St, Watertown, MA 02472 Property Records

Middlesex County and Watertown City property record for 30 Common St, Watertown, MA 02472

Property Summary

Property Type	Government / Public Use
Details	5 ba · 27,332 sqft · built 1936
Lot Size	2.57 acres (111,949 sqft)
Owner	Company Name on File
Flood Zone	Zone X (minimal risk)
APN	`997245-19`

Property Details

APN / Parcel Number

Primary APN	`997245-19`
Alternative APNs	`WATE M:1011 B:0007 L:0000` `220`

Interior

Full Baths	5 Baths
Half Baths	6 Half Baths
Stories	2 Stories
Building Area	27,332 sqft Total Area
Gross Area	27,412 sqft
Basement Area	8,650 sqft
Finished Basement	8,650 sqft
Unfinished Basement	8,650 sqft

Exterior

Year Built	Built 1936
Effective Year Built	Effective 2005
Exterior Material	Brick
Construction Type	Frame
Roof Type	Flat
Roof Material	Tar & Gravel
Lot Area	111,949 sqft (2.57 acres)

Utilities, Heating & Cooling

Heating System	Steam
Heating Fuel	Oil

Location & Zoning

Account Number	220
Street Address	30 COMMON ST
City	WATERTOWN
State	MA
Zip	02472-3458
Property Category	Public Works
Property Type	Public Works > Government / Public Use
Local Zoning Code	OSC
Legal Block	7
Jurisdiction	WATERTOWN MA
Township / Civil Division	WATERTOWN TOWN
Census Block Group	1
Census Block	1013
Census Tract	370202

Owner

Source: Middlesex County and Watertown City records · APN 997245-19

Assessment roll updated April 14, 2026 · Last verified April 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	149 MAIN ST, WATERTOWN, MA 02472-4410
Owner Type	Company
Vesting	Government

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Record Updated	Jun 08, 2026

Tax Assessment & Valuation

Source: Middlesex County and Watertown City records · Assessment roll updated April 14, 2026 · Last verified April 2026

Property Jurisdictions

Type	Name
State	Massachusetts
County	Middlesex County
Municipality	Watertown City
Unified School District	Watertown School District (PK - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Assessed Value
2025	$9,655,700 (-14.51%) Land $3,143,600 Building $6,512,100
2024	$11,294,600 Land $2,720,400 Building $8,574,200

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Middlesex County (25017C), as of September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 250173702021, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	3 units insured incl. 2 condo units

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable · Fiber in parts of the area	2,000 / 2,000
Radiate Holdings Cable	1,500 / 50

May also be available: AT&T, Starry, T-Mobile USA, Verizon.

Based on FCC filings for 557 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system MA3314000, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	WATERTOWN DEPARTMENT OF PUBLIC WORKS serves 35,985 people
Water Source	Purchased surface water from MWRA
Last State Inspection	Oct 2025
Lead	1 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.