Very special stucco 2 family home 5&7. Upper unit has 2 floors & 2 full baths. Tile baths updated kitchens, spacious floor plan & soaring ceilings. Beautiful hard wood floors through out. Slate roof, updated heat, hot water & electric. Conveniently located near Mass Pike exit, Downtown XPress bus, Storrow Drive via Nonantum Road and Soldiers Field Rd. Also close to Charles River.
Multi-familyProperty Type
1920Year Built
6,970 sq ftLot Size
$442Est. Price/Sq.Ft.
4 spacesParking
Listed by Mike DelRose Sr.• RE/MAX First Realty, Inc.
Bought with Maria Ciulla• Prudential Preferred Realty
Source:MLS PIN #70256334
Redfin Estimate
$1,235,825
$796K since sold in July 2021$14K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 12.1% higher than the average sale price ($1.10M) of 6 comparable homes.
Very special stucco 2 family home 5&7. Upper unit has 2 floors & 2 full baths. Tile baths updated kitchens, spacious floor plan & soaring ceilings. Beautiful hard wood floors through out. Slate roof, updated heat, hot water & electric. Conveniently located near Mass Pike exit, Downtown XPress bus, Storrow Drive via Nonantum Road and Soldiers Field Rd. Also close to Charles River.
Year
Property tax
Land + Additions
Assessment*
2026
$13,070 (+7.4%)
$540,400 + $530,900
$1,071,300
2025
$12,174 (+7.0%)
$540,400 + $501,900
$1,042,300
2024
$11,376 (−11.3%)
$525,800 + $446,500
$972,300
2023
$12,829 (+11.3%)
$503,000 + $441,700
$944,700
2022
$11,530 (+12.0%)
$457,200 + $413,000
$870,200
2021
$10,295 (+3.8%)
$442,000 + $398,400
$840,400
2020
$9,916 (+2.6%)
$426,800 + $390,000
$816,800
2019
$9,668 (+4.0%)
$426,800 + $323,800
$750,600
2018
$9,293 (+4.5%)
$396,300 + $293,600
$689,900
2017
$8,894 (+4.6%)
$346,700 + $293,600
$640,300
2016
$8,499 (+11.3%)
$327,700 + $293,600
$621,300
2015
$7,638 (+4.4%)
$289,600 + $218,600
$508,200
2014
$7,317 (+1.9%)
$270,500 + $218,600
$489,100
2013
$7,180 (+5.2%)
$270,500 + $218,600
$489,100
2012
$6,824
$255,300 + $218,600
$473,900
2011
$6,818 (+1.8%)
$249,600 + $240,200
$489,800
2010
$6,696 (+2.6%)
$262,900 + $240,200
$503,100
2009
$6,529
$287,400 + $246,000
$533,400
Tax history for 73 Union St
Year
Property tax
Land + Additions
Assessment*
2026
$13,070 (+7.4%)
$540,400 + $530,900
$1,071,300
2025
$12,174 (+7.0%)
$540,400 + $501,900
$1,042,300
2024
$11,376 (−11.3%)
$525,800 + $446,500
$972,300
2023
$12,829 (+11.3%)
$503,000 + $441,700
$944,700
2022
$11,530 (+12.0%)
$457,200 + $413,000
$870,200
2021
$10,295 (+3.8%)
$442,000 + $398,400
$840,400
2020
$9,916 (+2.6%)
$426,800 + $390,000
$816,800
2019
$9,668 (+4.0%)
$426,800 + $323,800
$750,600
2018
$9,293 (+4.5%)
$396,300 + $293,600
$689,900
2017
$8,894 (+4.6%)
$346,700 + $293,600
$640,300
2016
$8,499 (+11.3%)
$327,700 + $293,600
$621,300
2015
$7,638 (+4.4%)
$289,600 + $218,600
$508,200
2014
$7,317 (+1.9%)
$270,500 + $218,600
$489,100
2013
$7,180 (+5.2%)
$270,500 + $218,600
$489,100
2012
$6,824
$255,300 + $218,600
$473,900
2011
$6,818 (+1.8%)
$249,600 + $240,200
$489,800
2010
$6,696 (+2.6%)
$262,900 + $240,200
$503,100
2009
$6,529
$287,400 + $246,000
$533,400
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Home facts updated by county records on Jul 30, 2026
Around this home
Schools
Hosmer Elementary School
Public PreK-5 • Assigned • 1.2mi
7/10
Watertown Middle School
Public 6-8 • Assigned • 0.7mi
7/10
Watertown High School
Public 9-12 • Assigned • 0.7mi
6/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Watertown's urban-suburban feeling paired with its proximity to Cambridge & Boston have caused it to rapidly transform into a destination for home buyers. Historically a manufacturing city, it has changed into a restaurant, shopping, and biotech hub...
with a completely built-out residential landscape.