5 Bridge St, Watertown, MA 02472 Property Records

Middlesex County and Watertown City property record for 5 Bridge St, Watertown, MA 02472

Property Summary

Property Type	Office Building
Details	5 ba · 79,086 sqft · built 1850
Lot Size	2.22 acres (96,960 sqft)
Owner	Company Name on File
Last Sale	$63,800,000 (Oct 2018)
Tax Bill	$311,867 (2026)
Deeds & Mortgages	Oct 2018 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`45677`

Property Details

APN / Parcel Number

Primary APN	`45677`
Alternative APNs	`WATE M:0808 B:0005 L:0005` `8943`

Interior

Full Baths	5 Baths
Half Baths	10 Half Baths
Units	6 Units
Stories	4 Stories
Building Area	79,086 sqft Total Area

Exterior

Year Built	Built 1850
Effective Year Built	Effective 1850
Exterior Material	Brick
Construction Type	Frame
Roof Type	Flat
Roof Material	Tar & Gravel
Lot Area	96,960 sqft (2.22 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Account Number	8943
Street Address	5 BRIDGE ST
City	WATERTOWN
State	MA
Zip	02472
Property Category	Commercial
Property Type	Commercial > Office > Office Building
Local Zoning Code	PSCD
Legal Subdivision	AETNA MILLS
Legal Block	5
Legal Lot Number	5
Jurisdiction	WATERTOWN MA
Township / Civil Division	WATERTOWN TOWN
Census Block Group	1
Census Block	1015
Census Tract	370104

Owner

5 Bridge St, a commercial property, is owned by a company that bought it in October 2018.

Source: Middlesex County and Watertown City records, as of October 20, 2026

Owner of Record	Company Name on File
Mailing Address	900 N MICHIGAN AVE, CHICAGO, IL 60611-1542
Owner Type	Company
Vesting	Company

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 16, 2018 · Amount on File
Deed Sale	Oct 16, 2018 · Amount on File
Prior Sale	Aug 3, 2016
Deed Book / Page	71752 / 588
Transfer Doc	71752-588
Record Updated	Oct 29, 2026

October 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WATERTOWN MA
Recording Date	Oct 16, 2018
Property Address	5 BRIDGE ST, WATERTOWN, MA 02472
Document Number	71752-588
Book / Page	71752 / 588
Instrument	159161
Transaction Type	Transfer
Record Updated	May 12, 2021

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$2,579.20
Amount Accuracy	Non-Arm's Length Transaction
Additional	Quitclaim Intrafamily Transfer Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	717530001
Date	Oct 16, 2018
Instrument	71753/0001

Lender

Name	ARGENTIC REAL ESTATE

Agreement

Amount	Amount on Record

Tax Assessment & Valuation

The 2026 property tax bill for 5 Bridge St was $311,867, up 2.8% from the year before.

Source: Middlesex County and Watertown City assessment roll, as of April 14, 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

Year	Tax Bill	Assessed Value
2026	$311,867.00 (+2.8%)	$13,287,900 (-) Land $3,490,700 Building $9,797,200
2025	$303,363.00 (-8.18%)	$13,287,900 (-7.18%) Land $3,490,700 Building $9,797,200
2024	$330,397.00 (+18.62%)	$14,315,300 (+1.4%) Land $3,054,200 Building $11,261,100
2023	$278,530.00	$14,117,100 Land $2,923,300 Building $11,193,800

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 5 Bridge St in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	6 in force

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.

Wildfire

The area around 5 Bridge St has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	WATERTOWN DEPARTMENT OF PUBLIC WORKS serves 35,985 people · EPA ID MA3314000
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, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 314 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Astound Broadband Cable	1,500 / 50
Verizon Fiber · Fixed Wireless in parts of the area	980 / 880

May also be available: Starry, T-Mobile.

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