For sale

Price cut: $14K (8/21)

$525,000

500 Union St #5209, Westborough, MA 01581

2beds

1,420sqft

$4,138/mo

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Condominium

Built in 2007

-- sqft lot

$520,000 Zestimate^®

$370/sqft

$490/mo HOA

What's special

Well appointed primary bedroomGranite countertopsGleaming hardwoodsLuxurious ensuite bathroomDeeded outdoor spaceGood size walk-in closetSecond bedroom

Discover exceptional living at 500 Union Street. Located in desirable downtown Westborough next to several restaurants, Roche Brothers supermarket and Bay State Green park! This well maintained condominium has soaring ceilings and features a spacious open-concept kitchen /living room space. The kitchen is equipped with granite countertops and plenty of beautiful cabinetry. Light-filled living room with gleaming hardwoods. Well appointed primary bedroom has a good size walk-in closet, as well as a second closet and the luxurious ensuite bathroom has a jetted tub and double sinks. There's a second bedroom and another full bath. Great separate office/play space. Convenient laundry in the unit. The building has an elevator and includes one dedicated garage parking space, in addition to a deeded outdoor space. A wonderful opportunity to make this your new home.

56 days
392
14

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 2
Bathrooms: 2
Full bathrooms: 2

Primary bedroom

Features: Bathroom - Full, Bathroom - Double Vanity/Sink, Walk-In Closet(s), Closet, Flooring - Wall to Wall Carpet
Level: First

Bedroom 2

Features: Closet, Flooring - Wall to Wall Carpet
Level: First

Primary bathroom

Features: Yes

Bathroom 1

Features: Bathroom - Full
Level: First

Bathroom 2

Features: Bathroom - Full, Bathroom - Double Vanity/Sink, Bathroom - With Shower Stall, Countertops - Stone/Granite/Solid, Jacuzzi / Whirlpool Soaking Tub
Level: First

Kitchen

Features: Flooring - Hardwood, Countertops - Stone/Granite/Solid, Exterior Access, Open Floorplan, Lighting - Pendant
Level: First

Living room

Features: Cathedral Ceiling(s), Flooring - Hardwood, Open Floorplan, Slider
Level: First

Office

Features: Closet, Flooring - Hardwood
Level: First

Heating

Forced Air, Natural Gas

Cooling

Central Air

Appliances

Included: Range, Dishwasher, Microwave, Refrigerator, Washer, Dryer
Laundry: First Floor, In Unit

Features

Closet, Home Office
Flooring: Carpet, Hardwood, Flooring - Hardwood
Has basement: No
Has fireplace: No

Interior area

Total structure area: 1,420
Total interior livable area: 1,420 sqft
Finished area above ground: 1,420
Finished area below ground: 0

Property

Parking

Total spaces: 2
Parking features: Under, Garage Door Opener, Deeded, Off Street
Attached garage spaces: 1
Uncovered spaces: 1

Details

Parcel number: M:0021 B:000232 L:5201,4743070
Zoning: IND

Construction

Type & style

Home type: Condo
Property subtype: Condominium
Attached to another structure: Yes

Condition

Year built: 2007

Utilities & green energy

Sewer: Public Sewer
Water: Public

Community & HOA

Community

Features: Public Transportation, Park, Walk/Jog Trails, Golf, Conservation Area, Highway Access, House of Worship, Public School, T-Station
Security: Intercom

HOA

Amenities included: Elevator(s), Storage
Services included: Water, Sewer, Insurance, Maintenance Structure, Maintenance Grounds, Snow Removal, Trash
HOA fee: $490 monthly

Location

Region: Westborough

Financial & listing details

Price per square foot: $370/sqft
Tax assessed value: $468,400
Annual tax amount: $7,630
Date on market: 7/10/2026

Estimated market value

$520,000

$494,000 - $546,000

$2,739/mo

Price history

Date	Event	Price
8/21/2026	Price change	$525,000-2.6%$370/sqft
Source: MLS PIN #73547810 Report a problem
7/10/2026	Listed for sale	$539,000+92.6%$380/sqft
Source: MLS PIN #73547810 Report a problem
1/12/2021	Listing removed	--
Source: MLS PIN Report a problem
1/4/2021	Price change	$2,295-0.2%$2/sqft
Source: MLS PIN #72740492 Report a problem
11/20/2020	Price change	$2,300-2.1%$2/sqft
Source: Mathieu Newton Sotheby's International Realty #72740492 Report a problem
10/9/2020	Listed for rent	$2,350$2/sqft
Source: Mathieu Newton Sotheby's International Realty #72740492 Report a problem
6/15/2009	Sold	$279,900$197/sqft
Source: Agent Provided Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$7,656 +3.4%	$470,000 +4.1%
2024	$7,407 +0.6%	$451,400 +3.2%
2023	$7,362 -1.5%	$437,200 +8.2%
2022	$7,472 +3.8%	$404,100 +4.1%
2021	$7,199 +11.9%	$388,300 +10.6%
2020	$6,432 -3.8%	$351,100 -3.7%
2019	$6,683 +8.2%	$364,600 +9%
2018	$6,175 +3.7%	$334,500
2017	$5,954 +11.6%	$334,500 +11.4%
2016	$5,335 +1.6%	$300,200 +6.3%
2015	$5,252 -3.6%	$282,500
2014	$5,449 +1.7%	$282,500
2013	$5,359 +8%	$282,500 +9.3%
2012	$4,964 +5.3%	$258,400
2011	$4,713	$258,400