21 Mellen # 3, Cambridge MA 02138

Cambridge, MA 02138 • Agassiz

$4,900

$4,600/mo

4

Beds

1

Baths

1,150

Sq Ft

4,127

Lot Sq Ft

1958

Year Built

Apartment

Type

45

Days on Market

For Rent Price Drop -$300 Listed Jul 1, 2026 • MLS# 73543764 Copied! • Updated Aug 12, 2026

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About this home

Prime Agassiz location just one block from Harvard Law School. Next door to Lesley and Harvard Mesuem of Natual History. 4 bedrooms, 1 bath with large living room, foyer and Eat-in-Kitchen. Laundry in basement and many closet for storage space. Glorious natural light through out all rooms. Rent includes heat and hot water! Easy access to shops and restaurants on Mass Ave, the Cambridge Common, Harvard Law School, Longy School of Music, Lesley University, and the Charles River. Walk to Harvard Sq and Red line T with a easy ride to MIT / Kendall Square, MGH and downtown Boston. No smoking, No pet. On-stree parking, off-street parking spot at additional rent. Need good credit scroe, income and reference to apply.

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Property History

Market Insights

5

Price Changes

7.1%

Price Range

Property Timeline

↑

Price Increased

Aug 12, 2026

$4,600 +$50 (+1.1%)

From $4,550 to $4,600 (+1.1%)

↓

Price Reduced

Jul 31, 2026

$4,550 $125 (-2.67%)

From $4,675 to $4,550 (-2.7%)

↓

Price Reduced

Jul 20, 2026

$4,675 $85 (-1.79%)

From $4,760 to $4,675 (-1.8%)

↑

Price Increased

Jul 15, 2026

$4,760 +$10 (+0.21%)

From $4,750 to $4,760 (+0.2%)

↓

Price Reduced

Jul 8, 2026

$4,750 $150 (-3.06%)

From $4,900 to $4,750 (-3.1%)

🏠

Listed for Rent

Jul 1, 2026

$4,900

Original listing

Office: Media Realty Group Elite

Detailed History Table ▼

Date	Event	Price	Change	$/sqft	Details
08/12/2026	↑ Price Increased	$4,600	+$50	-	From $4,550 to $4,600 (+1.1%)
07/31/2026	↓ Price Reduced	$4,550	$125	-	From $4,675 to $4,550 (-2.7%)
07/20/2026	↓ Price Reduced	$4,675	$85	-	From $4,760 to $4,675 (-1.8%)
07/15/2026	↑ Price Increased	$4,760	+$10	-	From $4,750 to $4,760 (+0.2%)
07/08/2026	↓ Price Reduced	$4,750	$150	-	From $4,900 to $4,750 (-3.1%)
07/01/2026	🏠 Listed for Rent	$4,900	-	-	Original listing

Tax History

Year	Taxes	Assessment
Tax history not available

Facts & Features

Home Facts

Type Residential Lease

Style Apartment

Year Built 1958

Living Area 1,150 sq ft

Lot Size 4,127 sq ft

Bedrooms 4

Full Baths 1

Total Rooms 7

Rental Details

Available Sep 1, 2026

Lease Term Short Term Lease,Lease Terms(9+ Mon),Term of Rental(9+)

Rent Includes Heat, Hot Water, Water, Sewer, Trash Collection, Snow Removal, Gardener, Occupancy Only, Laundry Facilities

Security Deposit $4,600

Required First MonthLast MonthDepositReferencesInsurance

Pets No

Pet Policy No Pets

Interior

Heating Natural Gas, Baseboard

Cooling None

Flooring Vinyl

Appliances Range, Oven, Dishwasher, Disposal, Refrigerator

Fireplace None

Basement None

Laundry Lighting - Overhead, In Basement, Common Area, In Building

Features Closet, Lighting - Overhead, Entrance Foyer, Single Living Level

Exterior

Construction None

Architecture None

Roof None

Features Garden

Pool None

Spa None

Fencing None

Patio/Porch None

Parking

Features None

Utilities

Electric None

Water None

Sewer None

Gas None

Other None

Building & Pet Policy

Fee Includes None

Amenities None

Optional Fee Includes None

Additional Details

Possession None

Accepted Financing None

Structure Type []

Unit/Building 3

Sq Ft Source Field Card

Documents None

County Middlesex

Total market time (incl. prior listings) 42 days

Property Overview

Property Type

Apartment

Listing Type

For Rent

Year Built

1958

Bedrooms

4

Full Bathrooms

1

Living Area

1,150 sq ft

Total Rooms

7

Entry Level

3

Floor Layout

Interactive room guide Explore Floor Layout 2 levels · 14 rooms Open ›

Interior Features

Flooring: Vinyl

Appliances: Range, Oven, Dishwasher, Disposal, Refrigerator

Interior Features: Closet, Lighting - Overhead, Entrance Foyer, Single Living Level

Windows:

Basement:

Laundry: Lighting - Overhead, In Basement, Common Area, In Building

Security:

Construction & Materials

Year Built: 1958

Structure Type:

Exterior Materials:

Roof:

Foundation:

Heating, Cooling & Utilities

Heating: Natural Gas, Baseboard

Cooling:

Hot Water:

Water Source:

Sewer:

Energy Features:

Exterior & Lot

Exterior Features: Garden

Patio & Porch:

Fencing:

Other Structures:

Lot Features:

Road Surface:

Parking & Garage

Parking Features:

Nearby Schools

School District

Cambridge School District local

A-

🎓 Where Graduates Go Class of 2021

65% attend college

58% 4-Year 7% 2-Year 23% Out of State 7% Working

✓ School Safety 2024-25

1.2% Low

0.8% Suspensions 0.2% In-School 0.4% Emergency

↓ 4.3% below state avg

E

Elementary Schools

10 schools

St. Peter Elementary School

0.6 mi

Grades PK-08

Cambridge Friends School

0.8 mi

Grades PK-08

Cambridge Montessori School

0.8 mi

Grades PK-06

A

Benjamin Banneker Charter Public School

1.0 mi | #100 of 824 | Score: 59.4

Dropped 79 spots from last year

+1.2 above state avg

352 students Less Diverse

Grades PK-06

Shady Hill School

1.3 mi

Grades PK-08

C

Prospect Hill Academy Charter School

1.3 mi | #253 of 346 | Score: 45.9

Improved 29 spots from last year

-12.3 below state avg

890 students Diverse

High Graduation Rate Rising School College Ready Curriculum Diverse Student Body

Grades PK-12

A

Amigos School

1.3 mi | #45 of 352 | Score: 57.8

Improved 14 spots from last year

-0.5 below state avg

413 students Diverse

Diverse Student Body

Grades PK-08

Lycee International de Boston/International School of Boston, Inc.

1.7 mi

Grades 01-12

Fayerweather Street School

2.0 mi

Grades PK-08

A+

Maria L. Baldwin School

0.1 mi | #55 of 824 | Score: 62.0

Dropped 52 spots from last year

+3.8 above state avg

360 students Diverse

Diverse Student Body

Grades PK-05

M

Middle Schools

5 schools

Allium Montessori School

0.2 mi

Grades 01-06

A

Rindge Avenue Upper School

0.9 mi | #67 of 352 | Score: 54.3

Dropped 2 spots from last year

-3.9 below state avg

292 students Diverse

Diverse Student Body

Grades 06-08

A-

Putnam Avenue Upper School

1.0 mi | #103 of 352 | Score: 49.1

Dropped 24 spots from last year

-9.1 below state avg

283 students Very Diverse

Diverse Student Body

Grades 06-08

C+

Cambridge Street Upper School

1.5 mi | #214 of 352 | Score: 39.8

Dropped 26 spots from last year

-18.4 below state avg

301 students Very Diverse

Diverse Student Body

Grades 06-08

B+

Darby Vassall Upper School

1.8 mi | #118 of 352 | Score: 47.5

Improved 26 spots from last year

-10.7 below state avg

298 students Very Diverse

Rising School Diverse Student Body

Grades 06-08

H

High Schools

3 schools

Farr Academy School

1.4 mi

Grades 07-12

NuVu Innovation School

1.5 mi

Grades 08-12

B-

Community Charter School of Cambridge

1.9 mi | #178 of 346 | Score: 53.1

Dropped 57 spots from last year

-5.2 below state avg

251 students Diverse

7 sports • 202 athletes

High Graduation Rate College Ready Curriculum

Grades 06-12

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All Subjects ELA Math Science

Location

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Neighborhood

Agassiz

21 Mellen # 3, Cambridge MA 02138

Cambridge, MA 02138

Listing Information

Listing Agent Quan Xiao

Listing Office Media Realty Group Elite

Office Phone 855-886-3342

Agent MLS ID CT008261

Office MLS ID AN9567

Listing Data Updated Aug 12, 2026 2:50 PM 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

BMN Boston Real Estate

Douglas Elliman

(617) 955-2224 contact@bmnboston.com

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