5+ Family - 5+ Units Up/Down at 520 Main St, Waltham MA 02452
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28 photos

$7,795,000

520 Main St, Waltham MA 02452
Waltham, MA 02452
Listed by Todd Carter
Bedrooms
25
Bathrooms
30
Living area
18,795 sqft
Year built
1988

Property details

MLS
MLS Property Information Network
MLS #
73591761
Property type
5+ Family - 5+ Units Up/Down
Subdivision
N/A
Status
Active
Days on market
5
On market date
October 16, 2026
Stories
8
Total bathrooms
30
Garage spaces
N/A
Parking spaces
36
Lot size
0.73 acres
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Nearby schools

Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card.

Elementary
Waltham Public Schools Dual Language Program
0.7 mi away · Grades 0-5
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
210
Student:teacher ratio
11.1:1
District
Waltham
Middle
John W. McDevitt Middle School
0.15 mi away · Grades 6-8
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
617
Student:teacher ratio
7.8:1
District
Waltham
High
Waltham Sr High
1.24 mi away · Grades 9-12
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
1,643
Student:teacher ratio
10.2:1
District
Waltham

Walkability

Blended score for Waltham's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

94
Highly walkable
out of 100
EPA National Walkability Index
17.8 / 20 -- Most walkable
Google Places amenity density
100 / 100
Restaurants & cafes20
Grocery stores20
Parks12
Schools20
Transit stops20
Pharmacies10

Market position

How this listing compares to current activity in Waltham, from live MLS data.

On the market 5 days -- 89 fewer days than Waltham's current average of 94 days.
For reference, the median list price across 492 active listings in Waltham right now is $344,900.

Mortgage calculator

Estimate only - actual rate and payment depend on your lender, credit, and loan program.

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Est. monthly payment
$47,092/mo
$1,559,000 down
$6,236,000 loan
Principal & interest$40,447
Property tax (est.)$6,496
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated 2 days ago.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.