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520 Main St # C, Waltham MA 02452 - Preview 1 520 Main St # C, Waltham MA 02452 - Preview 2 520 Main St # C, Waltham MA 02452 - Preview 3 520 Main St # C, Waltham MA 02452 - Preview 4 520 Main St # C, Waltham MA 02452 - Preview 5 520 Main St # C, Waltham MA 02452 - Preview 6 520 Main St # C, Waltham MA 02452 - Preview 7 520 Main St # C, Waltham MA 02452 - Preview 8 520 Main St # C, Waltham MA 02452 - Preview 9 520 Main St # C, Waltham MA 02452 - Preview 10
520 Main St # C, Waltham MA 02452 - Preview 1 520 Main St # C, Waltham MA 02452 - Preview 2 520 Main St # C, Waltham MA 02452 - Preview 3 520 Main St # C, Waltham MA 02452 - Preview 4 520 Main St # C, Waltham MA 02452 - Preview 5 520 Main St # C, Waltham MA 02452 - Preview 6 520 Main St # C, Waltham MA 02452 - Preview 7 520 Main St # C, Waltham MA 02452 - Preview 8 520 Main St # C, Waltham MA 02452 - Preview 9 520 Main St # C, Waltham MA 02452 - Preview 10

520 Main St # C, Waltham MA 02452

Waltham, MA 02452
$1,000
Est. $4,669/month
400
Sq Ft
$3
Price/Sq Ft
0.73
Acres
1988
Year Built
134
Days on Market
Active Listed Feb 9, 2026 • MLS# 73475611 Copied!

About this home

2 room office available on 2nd floor. Beautiful common areas at entrance.

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Public Records

Current Owner

Owner FIVE TWENTY MAIN ST. RLTY. TR;
Mailing Address 100 FELTON ST STE-201, WALTHAM, MA, 02453

Land Use

Use Code 013
Description N/A
Style MIXED OLD

Tax Information

Assessed Value $5,779,600

Assessment History

Year Land Building Total Change
FY2026 $3,080,000 $2,687,100 $5,779,600 —

Sale History

Date Price Book/Page
Feb 27, 2015 $3,300,000 64979/22

Building Permit History

Permit history not yet available for this municipality.

Municipal Context: WALTHAM

Property Data Comparison

Discrepancies found between MLS and assessor records.

Field Assessor MLS Match
Sqft 25,204 400 ✗
Year built 1,988 1,988 ✓
Match: address_exact (90.0% confidence) · Data as of Jun 1, 2026

Property Overview

Listing Type
Commercial Lease
Year Built
1988
Living Area
400 sq ft

Facts & Features

Home Facts

Type Commercial Lease
Year Built 1988
Living Area 400 sq ft
Lot Size 0.73 acres

Interior

Heating None
Cooling None
Flooring None
Appliances None
Fireplace None
Basement None
Laundry None
Features None

Exterior

Construction None
Architecture None
Roof None

Parking

Features None

Utilities

Electric None
Water None
Sewer None
Gas None
Other Public Water, Public Sewer

Financial

Annual Tax $53,570

Interior Features

Flooring:
Appliances:
Interior Features:
Windows:
Basement:
Laundry:
Security:

Construction & Materials

Year Built: 1988
Structure Type:
Exterior Materials:
Roof:
Foundation:

Heating, Cooling & Utilities

Heating:
Cooling:
Hot Water:
Water Source:
Sewer:

Parking & Garage

Parking Features:

Location

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Neighborhood

520 Main St # C, Waltham MA 02452

Waltham, MA 02452

Walkability

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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
E

Elementary Schools

10 schools
The Lumen Academy
0.8 mi
Grades PK-08
Milestones Day School
1.7 mi
Grades 02-12
Our Lady's Academy
2.2 mi
Grades PK-08
B+
Thomas R Plympton Elementary School
0.7 mi | #303 of 824 | Score: 50.8
Improved 344 spots from last year
-7.4 below state avg
357 students Diverse
Rising School Diverse Student Body
Grades K-05
B
Henry Whittemore Elementary School
0.8 mi | #357 of 824 | Score: 49.0
Improved 144 spots from last year
-9.2 below state avg
372 students Moderate
Rising School
Grades K-05
B+
James Fitzgerald Elementary School
1.1 mi | #270 of 824 | Score: 51.8
Improved 2 spots from last year
-6.4 below state avg
350 students Diverse
Diverse Student Body Strong Attendance
Grades K-05
B-
Dual Language School
1.2 mi | #433 of 824 | Score: 46.6
Dropped 101 spots from last year
-11.6 below state avg
222 students Moderate
Grades K-05
B-
William F. Stanley Elementary School
1.2 mi | #420 of 824 | Score: 47.2
Improved 49 spots from last year
-11.1 below state avg
381 students Diverse
Rising School Diverse Student Body
Grades PK-05
B
Northeast Elementary School
1.8 mi | #352 of 824 | Score: 49.1
Improved 255 spots from last year
-9.1 below state avg
527 students Diverse
Rising School Diverse Student Body
Grades PK-05
A-
Douglas MacArthur Elementary School
2.1 mi | #185 of 824 | Score: 55.9
Improved 213 spots from last year
-2.3 below state avg
475 students Diverse
Rising School Diverse Student Body
Grades K-05
M

Middle Schools

2 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
618 students Diverse
Grades 06-08
A-
John F Kennedy Middle School
0.5 mi | #94 of 352 | Score: 50.3
Improved 34 spots from last year
-7.9 below state avg
635 students Diverse
Rising School Diverse Student Body
Grades 06-08
H

High Schools

4 schools
B-
Waltham Senior High School
0.5 mi | #179 of 346 | Score: 53.0
Improved 59 spots from last year
-5.2 below state avg
1,791 students Diverse
21 sports • 1,802 athletes
Early College Program Rising School Career Tech Programs College Ready Curriculum
Grades 09-12
Chapel Hill Chauncy Hall School
0.9 mi
Grades 09-12
Waltham Valor High School
1.2 mi
49 students Less Diverse
Grades 09-12
Gann Academy-The New Jewish High School
1.6 mi
Grades 09-12
Learn about these ratings
School data provided by BMN Schools

Monthly Payment Calculator

Monthly Payment
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Principal, interest, taxes & insurance
Loan Amount
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After down payment
Total Interest
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Over life of loan
Total Cost
$0
Including down payment
%
Down: $0
%

Monthly Payment Breakdown

Principal & Interest $0
Property Tax $4,464
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
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Cost $0/mo

Payment Over Time

Interest
Principal
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.

Property History

Property Timeline

🏠
Listed for Sale
Feb 9, 2026
$1,000
Original listing
Agent: Adam Kotkin Office: Red Tree Real Estate

Price & Status History

Date Event Price Change
Feb 9, 2026 New Listing Added $1,000 —
Dec 8, 2025 Sold $2,500 —

Market Statistics

Days on Market
134 days
Price per Sq Ft
$3

Tax History

Year Taxes Assessment
2025 $53,570 —

Financial Details

Annual Property Tax
$53,570
Tax Year 2025

Listing Information

Listing Agent Adam Kotkin
Listing Office Red Tree Real Estate
Agent MLS ID BB809571
Office MLS ID AN0907
Listing Data Updated Feb 13, 2026 3:05 AM EST
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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Market Analytics for Waltham, MA

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520 Main St # C, Waltham MA 02452 - Photo 1 520 Main St # C, Waltham MA 02452 - Photo 2 520 Main St # C, Waltham MA 02452 - Photo 3 520 Main St # C, Waltham MA 02452 - Photo 4 520 Main St # C, Waltham MA 02452 - Photo 5 520 Main St # C, Waltham MA 02452 - Photo 6 520 Main St # C, Waltham MA 02452 - Photo 7 520 Main St # C, Waltham MA 02452 - Photo 8 520 Main St # C, Waltham MA 02452 - Photo 9 520 Main St # C, Waltham MA 02452 - Photo 10
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BMN Boston Real Estate

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