520 Main St, Waltham MA 02452
Waltham, MA 02452
$7,795,000
Est. $44,586/month
Estimate assumptions
20% down, a 30-year loan at 6.5%, and $200/month estimated insurance.
Includes the supplied property-tax and HOA inputs; missing inputs contribute $0. HOA fees with an unspecified frequency are treated as monthly. PMI and closing costs are excluded.
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Recently Sold Nearby
Price & Status History
Property Timeline
Listed for Sale
Oct 16, 2026
$7,795,000
Original listing
Agent: Todd Carter
Office: Valender Properties
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 10/16/2026 | 🏠 Listed for Sale | $7,795,000 | - | - | Original listing |
Tax History
| Year | Taxes | Assessment |
|---|---|---|
| 2026 | $59,645 | $5,779,600 |
Financial Details
Annual Property Tax
$59,645
Tax Year 2026
Assessed Value
$5,779,600
Facts & Features
Home Facts
Type
Residential Income
Style
5+ Family - 5+ Units Up/Down
Year Built
1988
Living Area
18,795 sq ft
Lot Size
0.73 acres
Stories
8
Bedrooms
25
Full Baths
24
Half Baths
12
Total Rooms
99
Investment Metrics
Units
25
Unit 1 Rent
$2,600/mo · Y
Unit 2 Rent
$2,650/mo · Y
Unit 3 Rent
$2,100/mo · Y
Unit 4 Rent
$2,100/mo
Total Monthly Rent
$9,450/mo
Gross Income
$633,985
Net Operating Income
$449,276
Operating Expenses
$184,709
Cap Rate
5.76%
Interior
Heating
None
Cooling
None
Flooring
None
Appliances
None
Fireplace
None
Basement
None
Laundry
None
Features
Laundry Room
Exterior
Construction
Brick
Architecture
None
Roof
None
Features
None
Pool
None
Spa
None
Fencing
None
Patio/Porch
None
Parking
Features
Paved Drive, Leased, Assigned
Total Spaces
36
Utilities
Electric
None
Water
Public
Sewer
Public Sewer
Gas
None
Other
None
Financial
Annual Tax
$59,645
Assessed Value
$5,779,600
HOA & Community
Fee Includes
None
Amenities
None
Optional Fee Includes
None
MA Disclosures
Lead Paint
Unknown
Seller Disclosures
None
Additional Details
Possession
None
Accepted Financing
None
Structure Type
[]
Sq Ft Source
Public Record
Documents
None
County
Middlesex
Property Overview
Property Type
5+ Family - 5+ Units Up/Down
Listing Type
For Sale
Year Built
1988
Bedrooms
25
Full Bathrooms
24
Half Bathrooms
12
Living Area
18,795 sq ft
Total Rooms
99
Stories
8
Levels
8
Floor Layout
Interior Features
Flooring:
Appliances:
Interior Features:
Laundry Room
Windows:
Basement:
Laundry:
Security:
Construction & Materials
Year Built:
1988
Structure Type:
Exterior Materials:
Brick
Roof:
Foundation:
Concrete Perimeter
Stories:
8
Utilities & Systems
Heating:
Cooling:
Hot Water:
Water Source:
Public
Sewer:
Public Sewer
Energy Features:
Exterior & Lot
Exterior Features:
Patio & Porch:
Fencing:
Other Structures:
Lot Features:
Road Surface:
Parking & Garage
Total Parking Spaces:
36
Parking Features:
Paved Drive, Leased, Assigned
Nearby Schools
School District
Waltham School District local
B+
School Safety
2024-25
2.3%
Average
2.2%
Suspensions
1.4%
In-School
0.1%
Emergency
3.2% below state avg
Elementary Schools
3 schools
B+
Thomas R Plympton Elementary School
0.7 mi
|
#304 of 825
|
Score: 50.7
Improved 343 spots from last year
-7.5 below state avg
335 students
Diverse
Rising School
Diverse Student Body
Grades K-05
B
Henry Whittemore Elementary School
0.8 mi
|
#352 of 825
|
Score: 48.9
Improved 149 spots from last year
-9.3 below state avg
355 students
Moderate
Rising School
Grades K-05
The Lumen Academy
0.8 mi
Grades PK-08
Middle Schools
3 schools
B
John W. McDevitt Middle School
0.2 mi
|
#160 of 352
|
Score: 43.8
Dropped 17 spots from last year
-14.4 below state avg
604 students
Diverse
Grades 06-08
A-
John F Kennedy Middle School
0.5 mi
|
#95 of 352
|
Score: 50.3
Improved 33 spots from last year
-8 below state avg
645 students
Diverse
Rising School
Diverse Student Body
Grades 06-08
A+
F.A. Day Middle School
1.6 mi
|
#13 of 352
|
Score: 63.2
Improved 38 spots from last year
+5 above state avg
830 students
Diverse
Rising School
Diverse Student Body
Strong Attendance
Grades 06-08
High Schools
3 schools
B-
Waltham Senior High School
0.5 mi
|
#181 of 346
|
Score: 53.6
Improved 57 spots from last year
-4.6 below state avg
1,784 students
Diverse
21 sports
• 1,802 athletes
Strong AP Program
Early College Program
Rising School
Career Tech Programs
Grades 09-12
Chapel Hill Chauncy Hall School
0.9 mi
Grades 09-12
Waltham Valor High School
1.2 mi
47 students
Less Diverse
Grades 09-12
Learn about these ratings
Monthly Payment Calculator
Monthly Payment
$0
Principal, interest, taxes & insurance
Loan Amount
$0
After down payment
Total Interest
$0
Over life of loan
Total Cost
$0
Including down payment
%
Down: $0
%
Monthly Payment Breakdown
Principal & Interest
$0
Property Tax
$4,970
Homeowners Insurance
$200
PMI (if <20% down)
$0
Loan Summary
Total of 360 payments
$0
Total principal paid
$0
Total interest paid
$0
Rate Impact
-0.5% Rate
$0/mo
Save $0/mo
Current Rate
$0/mo
+0.5% Rate
$0/mo
Cost $0/mo
Payment Over Time
Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
* Estimates only. Actual payments may vary. Consult with a lender for accurate figures.
Location
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Neighborhood
520 Main St, Waltham MA 02452
Waltham, MA 02452
Listing Information
Listing Agent
Todd Carter
Listing Office
Valender Properties
Office Phone
617-657-4416
Agent MLS ID
CN256015
Office MLS ID
AN2756
Listing Data Updated
Oct 16, 2026 10:41 AM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.
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