9 Mt Auburn St, Cambridge MA 02138

Cambridge, MA 02138 • Harvard Square

$3,398,000

Est. $17,704/month

5

Beds

4.5

Baths

2,870

Sq Ft

$1,184

Price/Sq Ft

0.03

Acres

2026

Year Built

Single Family Residence

Type

41

Days on Market

Active Open House Listed Apr 30, 2026 • MLS# 73510146 Copied!

About this home

OH 6/14 SUN 12-1:30 * Award-winning design and craftsmanship define this exceptional 2,870 SF residence, thoughtfully reimagined in the heart of Harvard Square. This refined 10RM,5BR,4.5BA residence, originally designed by Graham Gund, showcases elevated design &top-tier materials.The kitchen is a true centerpiece w/Thermador appliances, pot filler,sleek custom European cabinetry &Taj-Mahal quartz w/island that flows seamlessly into the open living areas.The Living RM is anchored by custom built-ins &fireplace.The home offers exceptional privacy w/2 primary suites,including a 3rd flr sanctuary w/skylights, wet-bar& Porcelanosa spa inspired bath/soaking tub.The 2nd ensuite BR is located on the 2nd flr.A flexible 3RM LL au pair suite w/separate appliances-laundry provides a serene retreat for short/long term guests. Sonos sys.Private patio.Minutes to Harvard University &Charles River.No expense spared in this trophy asset that defines modern, sophisticated urban living at its finest.

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Public Records

Current Owner

Owner MT. AUBURN MLD LLC,

Mailing Address 9 ORCHARD CROSSING, ANDOVER, MA, 01810

Land Use

Use Code 1094

Description N/A

Style COLONIAL

Tax Information

Assessed Value $4,631,500

Assessment History

Year	Land	Building	Total	Change
FY2026	$1,952,800	$2,678,700	$4,631,500	—

Building Permit History

Issued	Type / Work	Status	Value
Sep 18, 2024	Building: Alteration and Addition Full As right renovation. Please note that dormers and addition were approved by BZA and waiting on ISD . Request to change from Commercail… By Michael Driscoll Permit #qu2z-8suj:282361	Closed	$361,000
Sep 18, 2024	Building: Alteration and Addition Full As right renovation. Please note that dormers and addition were approved by BZA and waiting on ISD . Request to change from Commercail… By Michael Driscoll Permit #qu2z-8suj:282359	Closed	$436,000
Aug 8, 2024	Building: Alteration and Addition Interior Demo By Michael Driscoll Permit #qu2z-8suj:279319	Closed	$11,000
Jul 31, 2024	Building: Alteration and Addition Interior Demo By Michael Driscoll Permit #qu2z-8suj:278925	Closed	$9,500
Nov 8, 2021	Building: Alteration and Addition Selective demolition, partitioning, flooring, ceiling, fire protection, electrical (lights and plugs) By Votze Butler Associates Permit #qu2z-8suj:70016	Open	$295,000

Data: City of Cambridge Open Data (data.cambridgema.gov)

Municipal Context: CAMBRIDGE

Property Data Comparison

Discrepancies found between MLS and assessor records.

Field	Assessor	MLS	Match
Sqft	3,612	2,870	✗
Year built	1,910	2,026	✗

Match: geocode_proximity (89.4% confidence) · Data as of Jun 1, 2026

Property Overview

Property Type

Single Family Residence

Listing Type

For Sale

Year Built

2026

Bedrooms

5

Full Bathrooms

4

Half Bathrooms

1

Living Area

2,870 sq ft

Total Rooms

10

Open House Schedule

14

Jun

Sunday, June 14

12:00 PM - 1:30 PM EDT

Facts & Features

Central AC

New Construction

Home Facts

Type Residential

Style Single Family Residence

Year Built 2026

Living Area 2,870 sq ft

Lot Size 0.03 acres

Bedrooms 5

Full Baths 4

Half Baths 1

Total Rooms 10

Interior

Heating Forced Air, Electric

Cooling Central Air

Flooring Tile, Hardwood, Flooring - Hardwood, Flooring - Stone/ceramic Tile

Appliances Electric Water Heater, Range, Dishwasher, Disposal, Microwave, Refrigerator, Wine Refrigerator, Range Hood, Stainless Steel Appliance(s)

Fireplace Living Room

Fireplaces 1

Basement Full, Finished, Interior Entry

Laundry Sink, Second Floor, Electric Dryer Hookup, Washer Hookup

Features Closet, Bathroom - Half, Bathroom - Full, Bathroom - Tiled With Shower Stall, Countertops - Stone/granite/solid, Recessed Lighting, Entrance Foyer, Bathroom, Wired For Sound

Exterior

Construction Frame

Architecture Victorian

Roof Shingle

Features Porch, Patio

Pool None

Spa None

Fencing None

Patio/Porch Porch, Patio

Parking

Features Off Street

Total Spaces 1

Utilities

Electric Circuit Breakers

Water Public

Sewer Public Sewer

Gas None

Other For Electric Range, For Electric Oven, For Electric Dryer, Washer Hookup

Financial

Annual Tax 0.00

Assessed Value 0.00

HOA Yes

HOA Fee $322

HOA Frequency Monthly

Interior Features

Flooring: Tile, Hardwood, Flooring - Hardwood, Flooring - Stone/Ceramic Tile

Appliances: Electric Water Heater, Range, Dishwasher, Disposal, Microwave, Refrigerator, Wine Refrigerator, Range Hood, Stainless Steel Appliance(s)

Interior Features: Closet, Bathroom - Half, Bathroom - Full, Bathroom - Tiled With Shower Stall, Countertops - Stone/Granite/Solid, Recessed Lighting, Entrance Foyer, Bathroom, Wired for Sound

Windows: Insulated Windows

Basement: Full, Finished, Interior Entry

Laundry: Sink, Second Floor, Electric Dryer Hookup, Washer Hookup

Security: Security System

Construction & Materials

Style: Victorian

Year Built: 2026

Structure Type:

Exterior Materials: Frame

Roof: Shingle

Foundation: Brick/Mortar

Heating, Cooling & Utilities

Heating: Forced Air, Electric

Heating Zones: 4

Cooling: Central Air

Cooling Zones: 4

Hot Water:

Water Source: Public

Sewer: Public Sewer

Energy Features: Thermostat

Exterior & Lot

Exterior Features: Porch, Patio

Patio & Porch: Porch, Patio

Fencing:

Other Structures:

Lot Features: Level

Road Surface:

Parking & Garage

Total Parking Spaces: 1

Parking Features: Off Street

Special Features

Fireplaces: 1

Fireplace Type: Living Room

Community Amenities: Public Transportation, Shopping, Park, Walk/Jog Trails, Golf, Medical Facility, Laundromat, Bike Path, Conservation Area, Highway Access, House of Worship, Marina, Private School, Public School, T-Station, University, Other, Sidewalks

Location

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Neighborhood

Harvard Square

9 Mt Auburn St, Cambridge MA 02138

Cambridge, MA 02138

Walkability

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Homeowners Insurance $200

HOA Fee $322/mo

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Property History

Market Insights

Property Timeline

👁️

Showing Instructions Updated

Jun 1, 2026

New showing requirements

🏠

Listed for Sale

Apr 30, 2026

$3,398,000

Original listing

Agent: Jessica Ye Office: Keller Williams Realty Boston Northwest

Date	Event	Price	Change	$/sqft	Details
06/01/2026	👁️ Showing Instructions Updated	-	-	-	New showing requirements
04/30/2026	🏠 Listed for Sale	$3,398,000	-	-	Original listing

Price & Status History

Date	Event	Price	Change
Apr 30, 2026	New Listing Added	$3,398,000	—

Market Statistics

Days on Market

41 days

Price per Sq Ft

$1,184

Tax History

Year	Taxes	Assessment
2026	$0	$0

Financial Details

Annual Property Tax

$0

Tax Year 2026

HOA Fee

$322

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Assessed Value

$0

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9 Mt Auburn St, Cambridge MA 02138

About this home

Public Records

Current Owner

Land Use

Tax Information

Assessment History

Building Permit History

Municipal Context: CAMBRIDGE

Property Data Comparison

Property Overview

Open House Schedule

Facts & Features

Home Facts

Interior

Exterior

Parking

Utilities

Financial

Interior Features

Construction & Materials

Heating, Cooling & Utilities

Exterior & Lot

Parking & Garage

Special Features

Location

Neighborhood

Walkability

Nearby Schools

Elementary Schools

Middle Schools

High Schools

Monthly Payment Calculator

Monthly Payment Breakdown

Loan Summary

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Market Insights

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Showing Instructions Updated

Listed for Sale

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