21B Union St, Natick, MA 01760
Property image
Property image
OFF MARKET

21B Union St
Natick, MA 01760

  • 1 Bed
  • 1 Bath
  • 780 sqft

$626,800

Trulia Estimate
as of Jul 23, 2026
Est. Refi. Payment $3,766/mo*
Refinance Your Home

$626,800

Trulia Estimate
as of Jul 23, 2026
Est. Refi. Payment $3,766/mo*
Refinance Your Home
1 Bed
1 Bath
780 sqft

Local Information

  • Map ViewExplore the area around 21B Union St.
  • Schools1 Preschool School2 Elementary Schools1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Apartment
Year Built
1875
Living Area
780 sqft
Price/Sqft
$804

Description

This apartment is located at 21B Union St, Natick, MA. 21B Union St is in Natick, MA and in ZIP code 01760. This property has 1 bedroom, 1 bathroom and approximately 780 sqft of floor space. This property has a lot size of 6969 sqft and was built in 1875.
21B Union St, Natick, MA 01760 is a 1 bedroom, 1 bathroom, 780 sqft apartment built in 1875. It last sold for $105,000 on Aug 26, 1997. More recently, it was listed as a rental in June 2014 with an asking price of $1,525 per month. That rental listing was removed on July 7, 2014. It is currently off market. The Trulia Estimate is $626,800, with a rent estimate of $2,604/month.

Home Details for 21B Union St

Interior Features

Heating & Cooling
Heating: Other, OilHeating Fuel: Other
Levels, Entrance, & Accessibility
Stories: 1Floors: Hardwood
Interior Details
AtticNumber of Rooms: 4
Appliances & Utilities
Cable ReadyDisposalMicrowaveRefrigeratorWasher

Property Information

Year Built
Year Built: 1875Year Updated: 1990
Property Type / Style
Property Type: ApartmentArchitecture: cottage

Exterior Features

Exterior Home Features
DeckExterior: WoodFoundation Type: SlabLawn
Parking & Garage
Parking: Off Street

Community

Units in Building: 1

Lot Information

Lot Area: 6969 sqft

Price History for 21B Union St

DatePriceEventSource
07/07/2014$1,525ListingRemovedAgent Provided
06/07/2014$1,525Listed For RentAgent Provided
01/19/2013$205,000ListingRemovedAgent Provided
10/05/2012$205,000Listed For SaleAgent Provided
08/26/1997$105,000Sold
N/A
01/27/1992$63,300Sold
N/A

Market trends in Natick

Last updated June 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$836K
$13KMoM
Sale-to-List Price
100.8%
Price per sq ft
$473
$2MoM
Available listings
104
19MoM
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Property Tax and Assessment

Year2025
Tax$5,071
Assessment$424,000
Home facts updated by county records

Comparable Sales for 21B Union St

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
29 Walnut St #1, Natick, MA
0.54
Apartment
$425,000
03/25/26
2
1
882
4 Village Rock Ln, Natick, MA
2.89
Apartment
$310,000
06/29/26
1
1
780
11 Weld St, Framingham, MA
3.41
Apartment
$286,000
05/20/26
1
1
640
4 Village Rock Ln #4, Natick, MA
2.89
Apartment
$310,000
06/29/26
1
1
778
16 Stearns Rd, Wellesley, MA
2.65
Apartment
$1,490,550
03/13/26
4
2
2,261
6 Village Rock Ln #13, Natick, MA
2.89
Apartment
$340,000
08/29/25
1
1
778
9 Cross St, Wellesley, MA
2.27
Apartment
$1,655,000
08/20/25
3
2
1,484
44 Village Hill Ln #44, Natick, MA
2.89
Apartment
$440,000
05/11/26
2
1.5
960
29 Greenleaf Cir, Framingham, MA
3.43
Apartment
$671,000
06/05/26
3
1
916
915 Edgell Rd #61, Framingham, MA
5.90
Apartment
$235,000
06/22/26
1
1
669
Home facts updated by county records

Nearby homes

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Assigned Schools

These are the assigned schools for 21B Union St.
View nearby schools on GreatSchools
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

What Locals Say about Natick

At least 180 Trulia users voted on each feature.

  • 91 % Say it's dog friendly

  • 86 % Say parking is easy

  • 81 % Say car is needed

  • 80 % Say there are sidewalks

  • 77 % Say yards are well-kept

  • 76 % Say people would walk alone at night

  • 76 % Say kids play outside

  • 72 % Say there's holiday spirit

  • 68 % Say they plan to stay for at least 5 years

  • 66 % Say it's quiet

  • 60 % Say there's wildlife

  • 58 % Say streets are well-lit

  • 56 % Say neighbors are friendly

  • 52 % Say it's walkable to restaurants

  • 50 % Say it's walkable to grocery stores

  • 49 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • Claudia Sigler
    "Is a great town but overpriced. Schools are good, everything’s is close. It is a great location overall and safe "
    0
    Flag
  • Regina silva
    "I like the neighborhood, is safe and secure to walk all time at st, the people are so nice and friendly "
    0
    Flag
  • Marievetter
    "I drive pretty much everywhere I need to go. Public transportation is not a viable option for where I live. The drive is often on very congested roads, especially Speen Street."
    0
    Flag
  • Dlandry
    "I don’t know what dog owners would like or not like about living in this neighborhood. But I do know that cat owners like living here."
    0
    Flag
  • Michelly Petroni
    "Everything Natick is wonderful I loved every second i lived there. You will have everything around your house"
    0
    Flag
  • Maura Cusick
    "Natick is a lovely family friendly community teeming with events, local gatherings, and local activities. Nice access to parks & wildlife yet Convenient to transit to boston. Beautiful library. "
    1
    Flag
  • Trulia User
    "Very quiet dead end road, wonderful forest and nature trails at the end of the road. Close to all shopping destinations, awesome location. Yet still very quiet and surrounded by nature"
    2
    Flag
  • Paul A.
    "Natick Days on the common. The sensible school system and well run town government host many community events."
    2
    Flag
  • Ed J.
    "Great community and friendly neighbors, down to earth, too. Network is also very centrally located and therefore makes it easy to get anywhere in New England"
    1
    Flag
  • Clwagner1
    "Nice and quiet place to live. Good neighbors. Good schools.nice downtown. Community events, good restaurants, close to public transportation "
    1
    Flag
  • Ed J.
    "Dogs being walked all the time. If you own a dog and you live in this neighborhood I think you’ll both be very happy"
    3
    Flag
  • Ed J.
    "Living here is like living in Mayberry. We’ve been here 20 years and have loved every minute of it. Very fine schools and reasonable property taxes, too."
    2
    Flag
  • Andrea.danilowicz
    "I take the train each morning and it’s very convenient. There’s great restaurants in the area and can be quiet, yet vibrant. "
    0
    Flag
  • Katie .
    "It’s very quiet, no matter the time of year. I like living near all the hiking trails and being so close to the commuter rail. Route 9 can be busy during certain times of day. "
    1
    Flag
  • Redmen vs Flyers ‘07
    "I live in the area, there are many families that live around here. There are some great hiking areas in nearby towns. Majority of families have dogs. Kids play in the street. No street lights to speak of. Some areas are unsidewalked. Very small town feel about everything."
    4
    Flag
  • Mahashraya S.
    "Natick is the best of both worlds with a residential feel but with lots to do nearby. It’s also convenient to get groceries and necessities nearby with Natick Mall being just a stone’s throw from the neighborhood."
    0
    Flag
  • Jasonnewberg19
    "Drive into Boston. Quite horrific on most days and it will only get worse once school starts. Have to leave around 6:30/6:45am to beat most of the AM rush hour. "
    3
    Flag
  • Zuribel D. M.
    "I absolutely love Natick, prices are high for rent but the schools are awasome. The library is great."
    3
    Flag
  • Zuribel D. M.
    "Quiet and secure neighborhood, public places are clean and secure, good for kids of all ages. Good for walking and public transportation is near by."
    3
    Flag
  • Shopkerri
    "Awful going east unless you leave at 5:50 AM and come back at 3. Very congested. I have become a home body!"
    0
    Flag
  • Jondeso0743
    "I have lived in this neighborhood for 50 years..Friendly neighbors, easy access to shopping, Roache Bros. supermarket is 3/10th. of a mile from house..Lovely residential area."
    5
    Flag
  • Cupham
    "It’s a great place for dogs. You always see someone out walking their pup. It’s a great way to meet people. My dog loves it here. "
    1
    Flag
  • Gferrelli
    "Great community. Good, hardworking people. Very down to earth people. A great place to raise a family. "
    2
    Flag
  • Mrosenberg
    "This neighborhood is located near several great schools! It is close to the supermarket, major roads and is about thirty minutes from Boston. "
    2
    Flag
  • Mauricio U.
    "small town and friendly people. the area is safe and family friendly. most people have pets, which makes it easy to have a pet around people. "
    4
    Flag
  • Nicholas56
    "Gorgeous house on street of victorian beauties in the historic area known as Walnut Hill. Love to take walks here. Close to train, town and the well regarded Walnut Hill School."
    0
    Flag
  • Unspecified
    "This area is PERFECT for families! Cross street is easy walking distance to Natick Center where there is always something going on. Restaurants, ice cream parlors, church, coffee shops, and library are just a few things that are close by. The area is great for taking the dog for a walk, with many families doing the same, there is always someone new for your dog to sniff!"
    0
    Flag
  • Taylors
    "We have lived here for 7 years and love the closeness and walkability to downtown shops and parks. A close community with lots of artists and music, farmers market and summer concerts. Schools are exceptional. Commuter rail to Boston is right in downtown. We don't want to go anywhere else."
    0
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Apartments for Rent

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Homes for sale near 21B Union St

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Off Market Homes Near 21B Union St

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