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21 Hubbard Avenue # 21, Cambridge MA 02140

Cambridge, MA 02140 • Porter Square
$2,454,000
Est. $13,061/month
4
Beds
3.5
Baths
2,350
Sq Ft
$1,044
Price/Sq Ft
0.11
Acres
1889
Year Built
Condominium
Type
9
Days on Market
Closed Listed Sep 26, 2025 • MLS# 73325980

About this home

21 Hubbard Avenue is Boardman + Company's latest project, expertly designed with attention to detail and timeless elegance built for modern living. Nestled on a quiet street near Porter and Davis Squares, this brand-new single-family home has a gracious first level, complete with a foyer, powder room, living and dining area, and a chef's kitchen. Custom-milled white oak kitchen cabinets, built-ins, and oak floors showcase superior craftsmanship. Upstairs, a sunlit landing adjoins two bedrooms and a bath. The primary suite spans the top floor, with a stunning sun-filled bedroom, a walk-in closet, and a charming reading nook. The primary bathroom boasts a shower room, soaking tub, radiant floor, and a double vanity. With over eight-foot ceilings, the lower level extends the home with a family room, a bedroom, and a bath. A private garden and patio offer space for outdoor dining, relaxation, or play. Moments to nearby parks, restaurants, shops, and all that Cambridge has to offer.

Sale Statistics

Sale Overview
Original List Price: $2,350,000
Final Sale Price: $2,454,000
Difference: +$104,000 (+4.4%)
Performance Metrics
104.4%
List to Sale Ratio
Sold above asking price
9
Days on Market
Quick sale
Price per Square Foot Analysis
Original $/sq ft: $1,000
Sale $/sq ft: $1,044
This property sold for $1,044 per square foot
Sale Summary

This property sold for 4.4% above the original asking price, indicating strong buyer demand.

With only 9 days on market, this was a quick sale compared to typical market conditions.

Facts & Features

Property Overview

Property Type
Condominium
Property Category
Residential
Year Built
1889
Bedrooms
4
Full Bathrooms
3
Half Bathrooms
1
Living Area
2,350 sq ft
Total Rooms
12
Stories
4
Entry Level
1

Interior Features

Flooring
Tile, Hardwood
Heating
Central, Radiant
Has Heating
Yes
Cooling
Central Air
Has Cooling
Yes
Has Fireplace
No
Appliances
Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, ENERGY STAR Qualified Refrigerator, ENERGY STAR Qualified Dishwasher, Range Hood, Oven
Interior Features
1/4 Bath, Wet Bar, Internet Available - Unknown
Laundry Features
Second Floor, In Unit, Electric Dryer Hookup, Washer Hookup
Basement Details
Y
Window Features
Insulated Windows
Door Features
Insulated Doors

Exterior & Structure

Construction Materials
Stone, Conventional (2x4-2x6), Cement Board
Roof
Shingle, Rubber
Exterior Features
Porch, Patio, Fenced Yard, Professional Landscaping
Patio/Porch Features
Porch, Patio
Fencing
Fenced
Has Spa
No
Waterfront Property
No

Lot & Land

Lot Size
0.11 acres
Lot Size
5,000 sq ft
Lot Size Area
0.1100

Parking & Garage

Has Garage
No
Total Non-Garage Parking Spaces
1
Parking Features
Off Street, Leased

Utilities & Systems

Utilities Available
for Electric Range, for Electric Oven, for Electric Dryer, Washer Hookup
Water Source
Public
Sewer
Public Sewer
Electric
200+ Amp Service

Community & HOA

Community Features
Public Transportation, Shopping, Tennis Court(s), Park, Walk/Jog Trails, Golf, Medical Facility, Laundromat, Bike Path, Conservation Area, Highway Access, House of Worship, Private School, Public School, T-Station, University
HOA Fee
$200
HOA Fee Frequency
Monthly
Senior Community
No

Financial & Tax Information

Annual Tax Amount
$999,999
Tax Year
2025
Tax Assessed Value
$2,350,000
Zoning
C-1

Additional Details

Year Built Source
Public Records
Year Built Details
Renovated Since
Attached Property
No
Disclosures
The condo budget and condo documents are being finalized. Individual units are not reflected in the current tax assessment.

Location

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Neighborhood

Porter Square

21 Hubbard Avenue # 21, Cambridge MA 02140

Cambridge, MA 02140

Walkability

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Schools

School information not available

Monthly Payment Calculator

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Estimated Monthly Payment $0

Payment Breakdown

Principal & Interest $0
Property Tax $83,333
Homeowners Insurance $200
HOA Fee $200
PMI $0

Property History

Market Insights

4.2%
Price Range
10
Total Days on Market

Property Timeline

✓
Sold
Feb 28, 2025
$2,454,000
Property sold
Days on Market: 10
🏠
Listed for Sale
Jan 14, 2025
$2,350,000
Original listing
Agent: William Senne Office: Senne

Price & Status History

Date Event Price Change
Jan 14, 2025 New Listing Added $2,350,000 —

Market Statistics

Days on Market
9 days
Price per Sq Ft
$1,044

Tax History

Year Taxes Assessment
2025 $999,999 $2,350,000

Financial Details

Annual Property Tax
$999,999
Tax Year 2025
HOA Fee
$200
Monthly
Assessed Value
$2,350,000

Listing Information

Listing Agent William Senne
Listing Office Senne
Agent MLS ID BB923653
Office MLS ID AN6754

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