NEW 21 HRS AGO
For sale
$7,795,000
Est. $49,080/mo —
25
bd
•
30 ba
•
18,795
sq ft

520 Main St, Waltham, MA 02452

map-entry

About this home

Multi-familyProperty Type
1988Year Built
0.73 acresLot Size
$415Price/Sq.Ft.
36 spacesParking
Listed by Todd Carter • Valender Properties
Listed by Todd Carter • Valender Properties
Listing updated:
Redfin checked: 2 minutes ago
•Source:MLS PIN #73591761
21 hours on Redfin • 51 views • 3 favorites

Payment calculator

$49,080 per month

Principal and interest$43,071
Property taxes
HOA dues
Home insurance
Utilities
Down payment
20% ($1,559,000)
Home price
$7,795,000
Loan details
30-yr fixed, 7.38%
5 minutes to get started. No credit impact. 

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Around this home

Schools

James Fitzgerald Elementary School

Public K-5 • Assigned • 1.1mi

6/10
John W. McDevitt Middle School

Public 6-8 • Assigned • 0.2mi

7/10
Waltham Senior High School

Public 9-12 • Assigned • 1.4mi

4/10
Provided by GreatSchools
About
Bleachery

Provided by Walk Score and Local Logic

Property details

  • Interior features
  • Laundry room
  • Bathrooms
  • 24 full bathrooms
  • 12 half bathrooms

Sale and tax history for 520 Main St

Public record

Beds
20
Baths
22.5
Stories
2
Lot width
—
Lot depth
—
Lot size
0.73 Acres
Year renovated
—
Finished Sq. Ft.
18,795
Unfinished Sq. Ft.
—
Total Sq. Ft.
18,795
Year built
1988
Style
Other
County
Middlesex County
APN
2845565S
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 16, 2026.

Climate risks

Flood Factor

We're working on getting current and accurate flood risk information for this home.

Fire Factor

We're working on getting current and accurate fire risk information for this home.

6/10 Heat Factor

7 hot days expected this year, 15 days in 30 years

Wind Factor

We're working on getting current and accurate wind risk information for this home.

3/10 Air Factor

2 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Waltham, MA • 02452
Average low and high temperatures (°F)
34
20
36
20
51
32
60
40
69
51
81
61
86
66
81
60
76
56
64
45
53
36
39
25
Jan
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May
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Sun exposure

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Provided by Shadowmap

Redfin Estimate for 520 Main St

There isn’t enough information to generate an accurate estimate at this time. Learn More

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New listings for sale in 02452

NEW 21 HRS AGO
$7,795,000
25 beds30 baths18,795 sq ft
520 Main St, Waltham, MA 02452
OPEN TODAY, 11AM TO 1PM
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OPEN TODAY, 11AM TO 12:30PM
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OPEN TODAY, 12PM TO 2PM3D WALKTHROUGH
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Details provided by MLS PIN and may not match the public record. Learn more.

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