25 Union St, Watertown, MA 02472 Property Records

Middlesex County and Watertown City property record for 25 Union St, Watertown, MA 02472

Property Summary

Property Type	Condominium
Details	2 bd · 1 ba · 1,284 sqft · built 1927
Lot Size	0.13 acres (5,676 sqft)
Owner	2 Company Names on Record
Last Sale	$312,000 (Mar 2008)
Tax Bill	$6,361 (2026)
Deeds & Mortgages	Sep 2025 Sale Aug 2017 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`10545`

Property Details

APN / Parcel Number

Primary APN	`10545`
Alternative APN	`WATE M:0107 B:0011 L:0091B`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,284 sqft Living Area
Gross Area	2,907 sqft
Basement Area	366 sqft
Unfinished Basement	366 sqft

Exterior

Year Built	Built 1927
Effective Year Built	Effective 1927
Architectural Style	Conventional
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Hip
Roof Material	Asphalt
Lot Area	5,676 sqft

Utilities, Heating & Cooling

Heating System	Steam
Heating Fuel	Gas

Location & Zoning

Account Number	10545
Street Address	25 UNION ST
City	WATERTOWN
State	MA
Zip	02472-2523
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	T
Legal Block	11
Legal Lot Number	91B
Jurisdiction	WATERTOWN MA
Township / Civil Division	WATERTOWN TOWN
Census Block Group	2
Census Block	2004
Census Tract	370403

Owner

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	2 Company Names on Record
Mailing Address	25 UNION ST, WATERTOWN, MA 02472-2523
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Date	Document
Sep 23, 2025	Deed, Transfer
Aug 17, 2017	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS
Jul 20, 2017	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 14, 2008 · Amount on Record
Deed Sale	Mar 14, 2008 · Amount on Record
Deed Document Number	200842011
Deed Book / Page	50887 / 24
Record Updated	Oct 29, 2026

September 2025: Deed, Transfer

Document Type	Deed
Jurisdiction	WATERTOWN MA
Recording Date	Sep 23, 2025
Property Address	25 UNION ST, WATERTOWN, MA 02472-2523
Document Number	084642-416
Book / Page	84642 / 416
Instrument Date	Sep 16, 2025
Instrument	114727
Transaction Type	Transfer
Record Updated	Oct 15, 2025

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	25 UNION ST, WATERTOWN, MA 02472-2523

August 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WATERTOWN MA
Property Address	25 UNION ST, WATERTOWN, MA 02472-2523
Document Number	69824-123
Book / Page	069824 / 000123
Instrument Date	Aug 17, 2017
Transaction Type	Mortgage
Record Updated	Sep 12, 2017

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	69824-123
Date	Aug 24, 2017
Book Page	069824/000123
Instrument	136200

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	180 Months
Due	Aug 23, 2032

July 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	WATERTOWN MA
Recording Date	Jul 20, 2017
Property Address	25 UNION ST, WATERTOWN, MA 02472-2523
Document Number	69633-92
Book / Page	069633 / 000092
Instrument Date	Jul 20, 2017
Instrument	113401
Transaction Type	Transfer
Record Updated	Aug 8, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	23-25 UNION ST #2 WATERTOWN MA 024722523, 2, WATERTOWN, MA 02472-2523

Tax Assessment & Valuation

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	$6,361.00 (+4.45%)	$521,400 (-) Building $521,400	$577,798 (-15.07%)
2025	$6,090.00 (+6.71%)	$521,400 (+6.89%) Building $521,400	$680,295 (+3.07%)
2024	$5,707.00 (-10.44%)	$487,800 (+3.96%) Building $487,800	$660,060
2023	$6,372.00	$469,200 Building $469,200

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

Flood

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	2 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

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 635 locations within half a mile, as of December 31, 2025

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

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

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