Recently Viewed Properties
See This Home
Save This Listing
Close

View All Photos

$7,795,000 Just Listed

  • For Sale
  • Active
  • Multi-Family
  • 25 Units
  • 25 Total Beds
  • 0.73 Acres
  • Updated 12 hours ago
See This Home
Save This Home
See This Home
Save This Home

Full Property Details for 520 Main St

General

  • Price: $7,795,000
  • Taxes: $59,645 (2026)
  • Status: Active
  • Type: Multi-Family
  • MLS ID: 73591761
  • Updated: Today (10/16/2026)
  • Added to Site: Today

Rooms

Bathrooms

  • Total Bathrooms: 36
  • Full Bathrooms: 24
  • Half Bathrooms: 12

Bedrooms

  • Total Bedrooms: 25

Parking

  • Parking Features: Paved Drive, Leased, Assigned

Location

  • County: Middlesex

Structural Information

  • Stories/Levels: 8
  • Square Feet: 18,795
  • Year Built: 1988

Lot Features

  • Lot Size (Acres): 0.73

Financial Considerations

  • Tax Amount: $59,645
  • Tax Year: 2026

Disclosures and Reports

  • Property ID: M:R060 B:0022 L:0001, 836997

Listed by Valender Properties, Todd Carter

Quickly Find Out More

* Indicates a required field

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Send Message, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If an Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby’s International Realty®). I acknowledge that I have read and agree to the Terms of Use and Privacy Notice.

We Value Your Privacy

Listing agent

— 520 Main St —

  • Todd Carter

    Valender Properties

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 520 Main St

School District:Waltham School District
NameGradesDistance
James Fitzgerald Elementary School
138 Beal Road, Waltham, MA 02453
K-51.1 mi
John W. Mcdevitt Middle School
75 Church Street, Waltham, MA 02453
6-80.2 mi
Waltham Sr High School
617 Lexington Street, Waltham, MA 02452
9-121.3 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 520 Main St Get Price Alerts and Save Property

Date
Details
Price
Change
Source
10/16/2026
Listed
$7,795,000
136.21%
MLS
2/23/2015
Sold
$3,300,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 520 Main St

Year
Property Taxes
Change
Tax Assessment
Change
2025
100%
$5,455,200
15%
2024
100%
$4,743,700
14%
2023
100%
$4,150,100
6%
2023
100%
$3,922,400
5%
2022
100%
$3,723,000
1%
2020
100%
$3,671,900
31%
2019
100%
$2,805,000
-1%
2018
100%
$2,839,100
3%
2017
100%
$2,767,000
47%
2016
100%
$1,886,500
5%
2015
100%
$1,796,300
—
2014
100%
$1,796,300
—
2013
—
$1,796,300
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 520 Main St

$
Down Payment
%
$
%

$
$

*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Listed by Valender Properties, Todd Carter

Just Listed near 520 Main St

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

20 Riverside St, Watertown, MA 02472 - Photo 1 Just Listed
$359,000
Open House

20 Riverside St  #2-3  Watertown, MA 02472

  • Condo
  • Active
  • Updated 14 hours ago
  • 1
    Bed
  • 1
    Total Bath
  • 421
    Sq. Ft.
Listed by DelRose-McShane Team (617) 515-7715
134 Edenfield Ave, Watertown, MA 02472 - Photo 1 Just Listed
$1,050,000
Open House

134 Edenfield Ave  #2  Watertown, MA 02472

  • Townhouse
  • Active
  • Updated 13 hours ago
  • 3
    Beds
  • 3
    Total Baths
  • 1,850
    Sq. Ft.
Listed by Susie Gear (508) 259-8908
230 Orchard St, Watertown, MA 02472 - Photo 1 Just Listed
$1,189,999
Open House

230 Orchard St  Watertown, MA 02472

  • Single Family
  • Active
  • Updated 3 days ago
  • 4
    Beds
  • 2
    Total Baths
  • 2,455
    Sq. Ft.
164 Galen St, Watertown, MA 02472 - Photo 1 Just Listed
$369,900

164 Galen St  #62  Watertown, MA 02472

  • Condo
  • Active
  • Updated 2 days ago
  • 1
    Bed
  • 1
    Total Bath
  • 670
    Sq. Ft.

Price Reduced near 520 Main St

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

108 Langdon Ave, Watertown, MA 02472 - Photo 1 Price Reduced
-$50,000 (-5.27%)
$899,000
Open House

108 Langdon Ave  Watertown, MA 02472

  • Single Family
  • Active
  • Updated 2 days ago
  • 4
    Beds
  • 2
    Total Baths
  • 1,731
    Sq. Ft.
Listed by Bob Airasian (617) 515-1560
3 Repton Circle, Watertown, MA 02472 - Photo 1 Price Reduced
-$10,000 (-1.34%)
$739,000
Open House

3 Repton Circle  #3114  Watertown, MA 02472

  • Condo
  • Active
  • Updated 2 days ago
  • 2
    Beds
  • 2
    Total Baths
  • 1,067
    Sq. Ft.
Listed by Kate Vicksell (617) 875-1291
75 Elm, Watertown, MA 02472 - Photo 1 Price Reduced
-$30,000 (-4.42%)
$649,000

75 Elm  Watertown, MA 02472

  • Single Family
  • Active
  • Updated 3 days ago
  • 4
    Beds
  • 1
    Total Bath
  • 1,200
    Sq. Ft.
750 Mt Auburn St, Watertown, MA 02472 - Photo 1 Price Reduced
-$100,000 (-8.7%)
$1,050,000
Open House

750 Mt Auburn St  #750  Watertown, MA 02472

  • Condo
  • Active
  • Updated 2 days ago
  • 3
    Beds
  • 3
    Total Baths
  • 1,963
    Sq. Ft.

Recent Sales near 520 Main St

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

1301 Commonwealth Ave, Newton, MA 02465 - Photo 1 Sold
$7,150,000

1301 Commonwealth Ave  Newton, MA 02465

  • Single Family
  • Closed
  • 7
    Beds
  • 7
    Total Baths
  • 8,153
    Sq. Ft.
175 Coolidge Hill, Cambridge, MA 02138 - Photo 1 Sold
$6,900,000

175 Coolidge Hill  Cambridge, MA 02138

  • Single Family
  • Closed
  • 7
    Beds
  • 7
    Total Baths
  • 6,960
    Sq. Ft.
Listed by Gail Roberts, Ed Feijo & Team
3 Berkeley Pl, Cambridge, MA 02138 - Photo 1 Sold
$6,800,000

3 Berkeley Pl  Cambridge, MA 02138

  • Single Family
  • Closed
  • 6
    Beds
  • 7
    Total Baths
  • 6,396
    Sq. Ft.
Listed by Gail Roberts, Ed Feijo & Team
121 Livingston Rd, Wellesley, MA 02482 - Photo 1 Sold
$6,660,000

121 Livingston Rd  Wellesley, MA 02482

  • Single Family
  • Closed
  • 6
    Beds
  • 10
    Total Baths
  • 10,090
    Sq. Ft.

520 Main St, Waltham, MA 02452 (MLS# 73591761) is a Multi-Family property with 25 units containing 25 bedrooms, 24 full bathrooms and 12 partial bathrooms. 520 Main St is currently listed for $7,795,000 and was received on October 16, 2026. Want to learn more about 520 Main St? Do you have questions about finding other Multi-Family real estate for sale in Waltham? You can browse all Waltham real estate or contact a Coldwell Banker agent to request more information.

Tour this property