21 Warren # 4, Waltham MA 02453

Waltham, MA 02453
$427,500
2
Beds
1
Baths
724
Sq Ft
$590
Price/Sq Ft
1982
Year Built
1
Parking
126
Days on Market
Sold Listed Nov 19, 2025 • MLS# 73456336 Copied! • Updated Apr 13, 2026

Track this home for price, status, and open-house alerts.

Sale Statistics

Sale Overview
Original List Price: $450,000
Final Sale Price: $427,500
Difference: $22,500 (-5.0%)
Performance Metrics
95.0%
List to Sale Ratio
Sold below asking price
126
Days on Market
Extended listing
Price per Square Foot Analysis
Original $/sq ft: $622
Sale $/sq ft: $590
This property sold for $590 per square foot
Sale Summary

This property sold for 5.0% below the original asking price.

At 126 days on market, this property took longer than average to sell.

Nearby Sales Comparison

Based on 3 similar properties sold within 0.5 miles in the last 90 days

This Property
$590/sq ft
Area Median
$511/sq ft
Difference
+15.6%

This property sold for significantly more per square foot than similar nearby properties, suggesting premium features or condition.

About this home

Brand new to the market! This 2nd-floor/top condo on the Watertown line that blends comfort, style, and convenience! Step into a bright, open-concept living space features gleaming hardwood floors and replacement windows. The modern kitchen & bathroom is a standout with sleek cabinetry, recessed lighting, and updated finishes—perfect for home cooks and entertainers alike. Enjoy sunny days by the community swimming pool, or take advantage of easy access to public transportation. This desirable Warrendale Community area is .3 miles to Gore Place and 5 miles to Harvard Square. A deeded parking spaces at the back of the building and plenty of guest parking spots in front. Second parking space for $500 yr., through the condo association. Common laundry room with large private storage locker in building. Condo fee includes heat, hot water, snow removal, landscaping, maintenance and swimming pool.

BMN Estimate

Get the number an algorithm can't give you

A free agent CMA factors in condition, upgrades, and the street — the things comps alone can't see.

Recently Sold Nearby

Property History

Market Insights

2
Price Changes
5%
Price Range
128
Total Days on Market

Property Timeline

✓
Sold
Apr 10, 2026
$427,500
Property sold
Days on Market: 128
📝
Contingency Update
Mar 19, 2026
Financing
📋
Status: Active under contract
Mar 13, 2026
Active → Active Under Contract
⏳
Pending Sale
Mar 12, 2026
Offer accepted, sale pending
↓
Price Reduced
Jan 22, 2026
$435,000 $5,000 (-1.14%)
From $440,000 to $435,000 (-1.1%)
↓
Price Reduced
Jan 7, 2026
$440,000 $10,000 (-2.22%)
From $450,000 to $440,000 (-2.2%)
🏠
Listed for Sale
Nov 19, 2025
$435,000
Original listing
Agent: Adam J. Taffel Office: Centre Realty Group
🏠
Listed for Sale
Nov 19, 2025
$450,000
Original listing
Office: Centre Realty Group

Tax History

Year Taxes Assessment
2025 $3,930 $400,200

Financial Details

Annual Property Tax
$3,930
Tax Year 2025
HOA Fee
$584
Monthly
Assessed Value
$400,200

Facts & Features

Home Facts

Type Residential
Style Condominium
Year Built 1982
Living Area 724 sq ft
Bedrooms 2
Full Baths 1
Total Rooms 4

Interior

Heating Baseboard
Cooling Wall Unit(s)
Flooring None
Appliances None
Fireplace None
Basement N
Laundry None
Features None

Exterior

Construction None
Architecture None
Roof None
Features Off Street, Deeded
Total Spaces 1
Electric None
Water Public
Sewer Public Sewer
Gas None
Other None
Annual Tax $3,930
Assessed Value $400,200

HOA & Community

HOA Fee $584 Monthly
Fee Includes Heat, Water, Sewer, Insurance, Maintenance Structure, Maintenance Grounds, Snow Removal, Trash
Amenities Hot Water, Pool
Optional Fee Includes None
Seller Disclosures Condo Fee Amount Effective Jan 2026;
Possession None
Accepted Financing None
Structure Type ["Mid-Rise"]
Unit/Building 2-4
Sq Ft Source Master Deed
Documents None
County Middlesex
Total market time (incl. prior listings) 128 days

Property Overview

Property Type
Condominium
Listing Type
Sold
Year Built
1982
Bedrooms
2
Full Bathrooms
1
Living Area
724 sq ft
Total Rooms
4
Stories
3
Entry Level
3

Floor Layout

Interior Features

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

Construction & Materials

Year Built: 1982
Structure Type: Mid-Rise
Exterior Materials:
Roof:
Foundation:
Stories: 3

Heating, Cooling & Utilities

Heating: Baseboard
Cooling: Wall Unit(s)
Hot Water:
Water Source: Public
Sewer: Public Sewer

Parking & Garage

Total Parking Spaces: 1
Parking Features: Off Street, Deeded
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
0.3 mi
Grades PK-08
Our Lady's Academy
2.5 mi
Grades PK-08
Milestones Day School
2.7 mi
Grades 02-12
B+
James Fitzgerald Elementary School
0.4 mi | #264 of 825 | Score: 51.9
Improved 8 spots from last year
-6.3 below state avg
352 students Diverse
Diverse Student Body Strong Attendance
Grades K-05
B
Henry Whittemore Elementary School
1.3 mi | #353 of 825 | Score: 48.9
Improved 148 spots from last year
-9.3 below state avg
355 students Moderate
Rising School
Grades K-05
B
Dual Language School
1.7 mi | #410 of 825 | Score: 47.5
Dropped 78 spots from last year
-10.7 below state avg
219 students Moderate
Strong Attendance
Grades K-05
B+
Thomas R Plympton Elementary School
1.8 mi | #305 of 825 | Score: 50.7
Improved 342 spots from last year
-7.5 below state avg
335 students Diverse
Rising School Diverse Student Body
Grades K-05
B
Northeast Elementary School
2.1 mi | #346 of 825 | Score: 49.1
Improved 261 spots from last year
-9.1 below state avg
477 students Diverse
Rising School Diverse Student Body
Grades PK-05
B
William F. Stanley Elementary School
2.3 mi | #412 of 825 | Score: 47.4
Improved 57 spots from last year
-10.8 below state avg
396 students Diverse
Rising School Diverse Student Body
Grades PK-05
A-
Douglas MacArthur Elementary School
2.9 mi | #174 of 825 | Score: 56.1
Improved 224 spots from last year
-2.1 below state avg
515 students Diverse
Rising School Diverse Student Body Strong Attendance
Grades K-05
M

Middle Schools

2 schools
B
John W. McDevitt Middle School
1.3 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
1.5 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
H

High Schools

4 schools
Gann Academy-The New Jewish High School
1.5 mi
Grades 09-12
B-
Waltham Senior High School
1.5 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
1.7 mi
Grades 09-12
Waltham Valor High School
1.7 mi
47 students Less Diverse
Grades 09-12
Learn about these ratings

Location

Loading map...

Neighborhood

21 Warren # 4, Waltham MA 02453

Waltham, MA 02453

Listing Information

Listing Office Centre Realty Group
Office Phone 617-332-0077
Agent MLS ID BB985072
Office MLS ID BB5200
Listing Data Updated Apr 13, 2026 10:58 AM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

Contact Us

Steve Novak Real Estate
Steve Novak Real Estate
BMN Boston Powered by SERHANT
Ask about this property — free, no obligation.

Similar Homes for Sale

Comparable Properties

Customize Comparable Search

Finding comparable properties...

Market Analytics for Waltham, MA

Real-time market trends and pricing data for this area

Loading market insights for Waltham.