591 Main St, Watertown, MA 02472 Property Records

Middlesex County and Watertown City property record for 591 Main St, Watertown, MA 02472

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,477 sqft · built 1930
Lot Size	0.121 acres (5,263 sqft)
Owner	2 Individual Names on File
Last Sale	$753,500 (Nov 2022)
Tax Bill	$9,936 (2026)
Deeds & Mortgages	Nov 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`33150-14`

Property Details

APN / Parcel Number

Primary APN	`33150-14`
Alternative APNs	`WATE M:0609 B:0003 L:0350` `7966`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,477 sqft Living Area
Gross Area	2,898 sqft
Basement Area	778 sqft
Unfinished Basement	778 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1930
Effective Year Built	Effective 1930
Architectural Style	Colonial
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	5,263 sqft (0.121 acres)
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Account Number	7966
Street Address	591 MAIN ST
City	WATERTOWN
State	MA
Zip	02472-2120
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	S-6
Legal Block	3
Legal Lot Number	350
Jurisdiction	WATERTOWN MA
Township / Civil Division	WATERTOWN TOWN
Census Block Group	3
Census Block	3005
Census Tract	370101

Owner

591 Main St is owned and occupied by two individuals who bought it in November 2022.

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

Owner of Record	2 Individual Names on File
Mailing Address	591 MAIN ST, WATERTOWN, MA 02472-2120
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Husband and Wife

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	2 Names on Deed
Last Sale	Nov 10, 2022 · Amount on File
Deed Sale	Nov 10, 2022 · Amount on File
Prior Sale	May 28, 2014 · Amount on File
Deed Book / Page	80934 / 290
Record Updated	Oct 29, 2026

November 2022: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WATERTOWN MA
Recording Date	Nov 10, 2022
Property Address	591 MAIN ST, WATERTOWN, MA 02472-2120
Document Number	080934-290
Book / Page	80934 / 290
Instrument Date	Nov 10, 2022
Instrument	166849
Transaction Type	Transfer
Record Updated	Nov 20, 2025

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants by the Entirety
Address	591 MAIN ST, WATERTOWN, MA 02472-2120

Mortgage

Document Number	0000166850
Date	Nov 10, 2022
Instrument	166850

Lender

Name	MIT FCU
Type	Credit Union

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2026 property tax bill for 591 Main St was $9,936, up 6.3% 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	Assessed Market Value
2026	$9,936.00 (+6.31%)	$814,400 (+1.77%) Land $457,100 Building $357,300	$850,915 (-)
2025	$9,346.00 (+9.95%)	$800,200 (+10.14%) Land $457,100 Building $343,100	$850,915 (+4.26%)
2024	$8,500.00 (-15.54%)	$726,500 (-1.97%) Land $444,200 Building $282,300	$816,145
2023	$10,064.00	$741,100 Land $437,000 Building $304,100

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 591 Main St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1978.

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	1 in force
Nearby Flood Claims	1 (1978)
Most Recent Claim	Feb 1978 · tidal / storm surge

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 591 Main 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 926 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: AT&T, T-Mobile.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Main St

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