357 Main St, #359, Watertown, MA 02472 Property Records

Middlesex County and Watertown City property record for 357 Main St, #359, Watertown, MA 02472

Property Summary

Property Type	Mixed Use Commercial Office / Residential
Details	2 bd · 3.5 ba · 5,215 sqft · built 1830
Lot Size	0.327 acres (14,223 sqft)
Owner	Company Name on File
Last Sale	$362,500 (Oct 2003)
Tax Bill	$7,036 (2026)
Deeds & Mortgages	Nov 2025 Mortgage Nov 2025 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`10610-28`

Property Details

APN / Parcel Number

Primary APN	`10610-28`
Alternative APNs	`WATE M:0355 B:0002 L:0000` `5449`

Interior

Bedrooms	2 Beds
Full Baths	3.5 Baths
Half Baths	3 Half Baths
Total Rooms	6 Rooms
Units	4 Units
Stories	2 Stories
Building Area	5,215 sqft Total Area
Gross Area	8,608 sqft
Basement Area	1,833 sqft
Unfinished Basement	1,833 sqft

Exterior

Year Built	Built 1830
Effective Year Built	Effective 1830
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	14,223 sqft (0.327 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	5449
Street Address	357 MAIN ST, 359
City	WATERTOWN
State	MA
Zip	02472
Property Category	Commercial
Property Type	Commercial > Office > Mixed Use Commercial Office / Residential
Local Zoning Code	LB
Legal Block	2
Jurisdiction	WATERTOWN MA
Township / Civil Division	WATERTOWN TOWN
Census Block Group	2
Census Block	2000
Census Tract	370104

Owner

357 Main St, #359 is owned by a company that bought it in October 2003.

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

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

Owner of Record	Company Name on File
Mailing Address	359 MAIN ST, WATERTOWN, MA 02472-2984
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Nov 14, 2025	Deed of Trust, Mortgage BEACON BANK & TRUST
Nov 14, 2025	Deed of Trust, Mortgage BEACON BANK & TRUST
Nov 14, 2025	Deed of Trust, Mortgage BEACON BANK & TRUST
Mar 31, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance WEBSTER BANK
Oct 25, 2019	Deed of Trust, Mortgage · Stand-Alone Refinance WEBSTER BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 16, 2003 · Amount on File
Deed Sale	Oct 16, 2003 · Amount on File
Prior Sale	Feb 28, 1994 · Amount on File
Deed Document Number	2003627
Transfer Doc	0000000627
Record Updated	Oct 29, 2026

November 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WATERTOWN MA
Property Address	357 MAIN ST # 359, 359, WATERTOWN, MA 02472-2360
Transaction Type	Mortgage
Record Updated	Dec 10, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	084878-110
Date	Nov 14, 2025
Book Page	84878/110
Instrument	139794

Lender

Name	BEACON BANK & TRUST

Agreement

Amount	Amount on Record

November 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WATERTOWN MA
Property Address	357 MAIN ST # 359, 359, WATERTOWN, MA 02472-2360
Transaction Type	Mortgage
Record Updated	Dec 10, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	084878-139
Date	Nov 14, 2025
Book Page	84878/139
Instrument	139796

Lender

Name	BEACON BANK & TRUST

Agreement

Amount	Amount on Record

November 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WATERTOWN MA
Property Address	357 MAIN ST # 359, 359, WATERTOWN, MA 02472-2360
Transaction Type	Mortgage
Record Updated	Dec 10, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	084878-168
Date	Nov 14, 2025
Book Page	84878/168
Instrument	139798

Lender

Name	BEACON BANK & TRUST

Agreement

Amount	Amount on Record

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WATERTOWN MA
Property Address	357-359 MAIN ST, WATERTOWN, MA 02472
Transaction Type	Mortgage
Record Updated	Apr 16, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	77396-252
Date	Mar 31, 2021
Book Page	77396/252
Instrument	72837

Lender

Name	WEBSTER BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WATERTOWN MA
Property Address	357-359 MAIN ST, WATERTOWN, MA 02472
Transaction Type	Mortgage
Record Updated	Mar 1, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	73525-49
Date	Oct 25, 2019
Book Page	73525/49
Instrument	165277

Lender

Name	WEBSTER BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record

Tax Assessment & Valuation

The 2026 property tax bill for 357 Main St, #359 was $7,036, down 57.9% 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	$7,036.00 (-57.9%)	$576,760 (-59.69%) Land $261,720 Building $315,040
2025	$16,713.00	$1,430,900 (+10.25%) Land $654,300 Building $776,600
2024		$1,297,835 (+3.64%) Land $840,700 Building $457,135
2023		$1,252,200 Land $797,600 Building $454,600

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

Flood

FEMA maps place 357 Main St, #359 in Zone X, an area of minimal flood risk.

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
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	59 units insured incl. 56 condo units

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 357 Main St, #359 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 610 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable · Fiber in parts of the area	2,000 / 2,000
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Verizon Fiber · Fixed Wireless in parts of the area	980 / 880
AT&T Fixed Wireless	100 / 20

May also be available: T-Mobile.

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