9 Union St Cambridge, MA 02139 / 1510

Residence for Single Family

(UPDATED: 11/24/2025)
  • 5 Beds
  • 3 Baths
  • 2.500 square feet
Property Report

Information about property on 9 Union St, Cambridge MA, 02139-1510. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Property Details

As is shown in our records this property is situated at 9 Union Street, Cambridge, MA.

Facts

  • Built in 1873
  • Lot size 5,000 sqft
  • Floor size 2,500 sqft
  • Construction Brick
  • Rooms 8
  • Bedrooms 5
  • Bathrooms 3,5
  • Stories 2 story with attic and basement
  • Style Conventional
  • Basement Full Basement
  • Heating & Cooling
  • Heat type Forced air unit
  • Exterior Home Features
  • Exterior material Wood
  • Exterior walls Wood Siding
  • Roof type Asphalt
Advertisement
Continue Reading Below

Misc

  • Units 2

Listing info

  • Last sold Feb 2009 for $895,000

Features

  • Fireplace
  • A/C

Householders and Tenants for 9 Union St, Cambridge MA

Purchase History

DateEventPriceSourceAgents
02/12/2009 Sold $895,000 Public records
12/28/2001 Sold $430,000 Public records

Cost estimate history

YearTaxAssessmentMarket
2014 $7,688 $917,400 N/A
Advertisement
Continue Reading Below

Where is 9 Union St, Cambridge MA located on map?

Building Permits

To date, we have no information about building permits in 2026
Apr 12, 2016
  • Permit #: MECH-040171-2016
Mar 16, 2016
  • Permit #: ELEC-039048-2016
Mar 16, 2016
  • Permit #: GAS-039046-2016
Jan 15, 2009
Description: Gas:1stfl.fireplace log liners
  • Permit #: 109059-080624
Apr 13, 2005
Description: Wiring:1 a/c, wiring of 2 tan ale system
  • Permit #: 405015-128210
Apr 7, 2005
Description: Gas:outside unit
  • Permit #: 405020-080623
Mar 15, 2005
Description: Plumbing:1st flr./ bar sink
  • Permit #: 305002-175402
Mar 15, 2005
Description: Gas:1st flr./ gas log
  • Permit #: 305002-080622
Jan 3, 2005
Description: Wiring:8 light fix, 10 recept out, 6 switches out, wire new family:room addition
  • Permit #: 105009-128209
Jun 11, 2004
Description: Addition:construct an addition (family room) to the rear
  • Valuation: $6,280,000
  • Permit #: 604187-048261
Feb 8, 2002
Description: Plumbing:1st flr./kit.sink,lav.,dishwasher,disposer,wash.mach.conn:2nd flr./bathtub,2,shower stalls/1-2nd flrs./4,water closet
  • Permit #: 202022-175401
Feb 8, 2002
Description: Gas:1st flr./ oven
  • Permit #: 202022-080621
Jan 29, 2002
Description: Wiring:25 light out, 14 light fix, 50 recept, 24 switch out:1 disposal, 1 dishwaher, 1 ac.
  • Permit #: 102219-128208
Jan 9, 2002
Description: Alteration:new electrical service,new heating service,remodel exist.:bathroom and create two new bathrooms,remodel kitchen
  • Valuation: $3,900,000
  • Permit #: 102030-048260

Union St Fire Incident History

To date, we have no information about fire incidents in 2026
02 Sep 2012 Building fires
Property Use —
1 or 2 family dwelling
Area of Origin —
Exterior balcony, unenclosed porch
First Ignition —
Furniture, utensils, other
Heat Source —
Candle
17 May 2010 Building fires
Property Use —
Multifamily dwellings
Area of Origin —
Closet
First Ignition —
Bedding; blanket, sheet, comforter
Heat Source —
Radiated, conducted heat from operating equipment
13 Feb 2010 Building fires
Property Use —
Multifamily dwellings
Area of Origin —
Storage area, other
First Ignition —
Structural member or framing
Heat Source —
Arcing
14 Oct 2005 Building fires
Property Use —
1 or 2 family dwelling
Area of Origin —
Bedroom - < 5 persons; included are jail or prison
First Ignition —
Appliance housing or casing
Heat Source —
Arcing

View more

Un St Incidents registered in FEMA
(Federal Emergency Management Agency)

To date, we have no information about incidents registered in FEMA in 2026
16 Jan 2013 Power line down
Property Use —
1 or 2 family dwelling
29 Nov 2012 Power line down
Property Use —
Residential street, road or residential driveway
03 Jan 2012 Cooking fire, confined to container
Property Use —
1 or 2 family dwelling
13 Jan 2011 Electrical wiring/equipment problem, other
Property Use —
Street, other

View more

Properties Nearby

Street Address
7 Un St, Cambridge, MA 02139-1510
Multi-Family Home
  • 2 beds
  • 2 baths
  • Lot: 3,300 sqft
  • Built in 1857
8 Un St, Cambridge, MA 02139-1511
Multiple Occupancy
  • 4 beds
  • 4.5 baths
  • 1,987 sqft
  • Built in 1856
38 Un St, Cambridge, MA 02141-1332
Single Family Residential
  • 3 beds
  • 2 baths
  • Lot: 2,697 sqft
  • Built in 2012
52 Un St, Cambridge, MA 02141-1332
Single Family
  • 2 beds
  • 1.5 baths
  • 1,223 sqft
  • Built in 1873
55A Un St, Cambridge, MA
Single Family
  • Lot: 3,333 sqft
6 Un St, Cambridge, MA 02139-1511
Single Family
  • 2 beds
  • 1.5 baths
  • 1,082 sqft
  • Built in 1853
55 Un St, Cambridge, MA 02141-1361
  • 3 beds
  • 4 baths
  • Lot: 1,472 sqft
 

FAQ about the house at 9 Un St, Cambridge, MA

Advertisement

NOTICE: You may not use Homemetry or the information it provides to make decisions about employment, credit, housing or any other purpose that would require Fair Credit Reporting Act (FCRA) compliance. Homemetry is not a Consumer Reporting Agency (CRA) as defined by the FCRA and does not provide consumer reports.