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51 Belmont St, Cambridge MA 02138

Cambridge, MA 02138
$1,849,900
Est. $10,254/month
6
Beds
3.5
Baths
2,601
Sq Ft
$711
Price/Sq Ft
0.10
Acres
1888
Year Built
2 Family - 2 Units Up/Down
Type
1
Days on Market
Active Open House Listed Feb 24, 2026 • MLS# 73479792 Copied!

About this home

Exceptional TWO-FAMILY home w/garage, parking & fenced backyard in sought-after Cambridge neighborhood! Works for multi-generational living, owner-occupants w/income unit & investors. This beloved family home beautifully blends modern updates w/original character. Wonderful natural light, high ceilings, gleaming hardwoods, original details, Harvey windows & bright colors throughout. Spacious "Owner's Unit" offers large primary bed, stunningly renovated bath w/shower & soaking tub, open concept living/sunroom (office)/dining/kitchen, remodeled half bath w/laundry & rear bed all on main level. Upstairs has two more beds & tiled bath w/shower. 1st floor unit has been income-producing AirBnB since 2019 renovation. Guests love the sunny living room, large primary bed, gorgeous eat-in kitchen w/in-unit laundry, smaller 2nd bed/office, rear porch & AC. Too many updates to list here and still opportunities to add value through 3rd fl & basement improvements and/or potential condo conversion!

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Public Records

Current Owner

Owner RONNA, JOHN L. & MARGARET S.
Mailing Address 51 BELMONT ST, CAMBRIDGE, MA, 02138

Land Use

Use Code 104
Description N/A
Style OLD STYLE TWO FAM

Tax Information

Assessed Value $1,735,100
Tax Rate $5.86 per $1,000
Base Tax $10,168
CPA Surcharge 3% ($287)
Estimated Annual Tax $10,455

Assessment History

Year Land Building Total Change
FY2026 $537,800 $1,197,300 $1,735,100 —

Sale History

Date Price Book/Page
Jan 1, 1970 $249,000 20480/0361

Municipal Context: CAMBRIDGE

Median Home Value $925,000
Avg SF Tax Bill $8,175
Residential Tax Rate $5.86/1000
CPA Surcharge 3%
County Middlesex

Property Data Comparison

Discrepancies found between MLS and assessor records.

Field Assessor MLS Match
Sqft 5,133 2,601 ✗
Year built 1,888 1,888 ✓
Match: address_exact (85.0% confidence) · Data as of Feb 26, 2026

Property Overview

Property Type
2 Family - 2 Units Up/Down
Listing Type
For Sale
Year Built
1888
Bedrooms
6
Full Bathrooms
3
Half Bathrooms
1
Living Area
2,601 sq ft
Total Rooms
13
Stories
3
Levels
3

Open House Schedule

01
Mar
Sunday, March 1
12:00 PM - 1:30 PM EST
28
Feb
Saturday, February 28
1:30 PM - 3:00 PM EST
27
Feb
Friday, February 27
11:30 AM - 1:00 PM EST
27
Feb
Friday, February 27
11:30 AM - 1:00 PM EST

Facts & Features

1 Car Garage

Home Facts

Type Residential Income
Style 2 Family - 2 Units Up/Down
Year Built 1888
Living Area 2,601 sq ft
Lot Size 0.10 acres
Bedrooms 6
Full Baths 3
Half Baths 1
Total Rooms 13

Interior

Heating Unit Control, Ductless, Electric, Steam, Natural Gas
Cooling Unit Control, Ductless, Window Unit(s), None
Flooring Tile, Vinyl, Varies, Hardwood, Pine, Stone/ceramic Tile
Appliances Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer, Oven
Fireplace None
Basement Full, Partially Finished, Walk-out Access, Interior Entry, Concrete
Laundry Gas Dryer Hookup, Electric Dryer Hookup, Washer Hookup
Features Ceiling Fan(s), Pantry, Stone/granite/solid Counters, High Speed Internet, Upgraded Cabinets, Upgraded Countertops, Bathroom With Tub & Shower, Remodeled, Internet Available - Broadband, Internet Available - Fiber-optic, Storage, Open Floorplan, Living Room, Kitchen, Dining Room, Mudroom, Sunroom

Exterior

Construction Frame
Architecture None
Roof Shingle
Features Rain Gutters, Garden
Pool None
Spa None
Fencing Fenced/enclosed
Patio/Porch Porch

Parking

Garage Spaces 1
Has Garage Yes
Features Paved Drive, Shared Driveway, Off Street, Paved
Total Spaces 3

Utilities

Electric Circuit Breakers, Individually Metered
Water Public
Sewer Public Sewer
Gas None
Other For Gas Range, For Electric Oven, For Gas Dryer, For Electric Dryer, Washer Hookup, Varies Per Unit

Financial

Annual Tax $8,395
Assessed Value $1,735,100

Interior Features

Flooring: Tile, Vinyl, Varies, Hardwood, Pine, Stone/Ceramic Tile
Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer, Oven
Interior Features: Ceiling Fan(s), Pantry, Stone/Granite/Solid Counters, High Speed Internet, Upgraded Cabinets, Upgraded Countertops, Bathroom With Tub & Shower, Remodeled, Internet Available - Broadband, Internet Available - Fiber-Optic, Storage, Open Floorplan, Living Room, Kitchen, Dining Room, Mudroom, Sunroom
Windows: Stained Glass Window(s), Insulated Windows, Screens
Basement: Full, Partially Finished, Walk-Out Access, Interior Entry, Concrete
Laundry: Gas Dryer Hookup, Electric Dryer Hookup, Washer Hookup
Security:

Construction & Materials

Year Built: 1888
Structure Type:
Exterior Materials: Frame
Roof: Shingle
Foundation: Block, Brick/Mortar
Stories: 3

Heating, Cooling & Utilities

Heating: Unit Control, Ductless, Electric, Steam, Natural Gas
Heating Zones: 6
Cooling: Unit Control, Ductless, Window Unit(s), None
Cooling Zones: 5
Hot Water: Natural Gas
Water Source: Public
Sewer: Public Sewer
Energy Features:

Exterior & Lot

Exterior Features: Rain Gutters, Garden
Patio & Porch: Porch
Fencing: Fenced/Enclosed
Other Structures:
Lot Features: Level
Road Surface: Paved

Parking & Garage

Garage Spaces: 1
Total Parking Spaces: 3
Parking Features: Paved Drive, Shared Driveway, Off Street, Paved

Location

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Neighborhood

51 Belmont St, Cambridge MA 02138

Cambridge, MA 02138

Walkability

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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
Shady Hill School
0.7 mi
Grades PK-08
Fayerweather Street School
1.1 mi
Grades PK-08
St. Peter Elementary School
1.2 mi
Grades PK-08
Cambridge Montessori School
1.3 mi
Grades PK-06
Cambridge Friends School
1.4 mi
Grades PK-08
A
Benjamin Banneker Charter Public School
1.6 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
Lycee International de Boston/International School of Boston, Inc.
2.1 mi
Grades 01-12
A
Amigos School
2.4 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
C
Prospect Hill Academy Charter School
2.7 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
B+
Haggerty School
0.2 mi | #254 of 824 | Score: 52.3
Improved 122 spots from last year
-5.9 below state avg
250 students Very Diverse
Rising School Diverse Student Body
Grades PK-05
M

Middle Schools

5 schools
Allium Montessori School
1.7 mi
Grades 01-06
A
Rindge Avenue Upper School
1.7 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
2.1 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
3.1 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
3.4 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
2.6 mi
Grades 07-12
NuVu Innovation School
2.7 mi
Grades 08-12
B-
Community Charter School of Cambridge
3.5 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
Learn about these ratings
School data provided by BMN Schools

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Including down payment
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Monthly Payment Breakdown

Principal & Interest $0
Property Tax $700
Homeowners Insurance $200
PMI (if <20% down) $0

Loan Summary

Total of 360 payments $0
Total principal paid $0
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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 24, 2026
$1,849,900
Original listing
Agent: Wilson Group Office: Keller Williams Realty

Price & Status History

Date Event Price Change
Feb 24, 2026 New Listing Added $1,849,900 —

Market Statistics

Days on Market
1 days
Price per Sq Ft
$711

Tax History

Year Taxes Assessment
2026 $8,395 $1,735,100

Financial Details

Annual Property Tax
$8,395
Tax Year 2026
Assessed Value
$1,735,100

Listing Information

Listing Agent Wilson Group
Listing Office Keller Williams Realty
Agent MLS ID TM300562
Office MLS ID BB5962
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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