21 Union St Boston, MA 02135 / 4019

Map
(UPDATED: 08/15/2025)
Property Report

Information about property on 21 Union St, Boston MA, 02135-4019. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Units

Property details of units in this apartment building

#6

  • 350 sqft
  • 1 bed
  • 1 bath

#6A

#16

#R

Property Details

A single-family possession at 21 Union Street, Boston, MA.

Facts

  • Built in 1870
  • Lot size 2,065 sqft
  • Rooms 7
  • Bedrooms 4
  • Bathrooms 3
  • Stories 3 story
  • Last remodel year 2001
  • Style Other
  • Basement No Basement
  • Heating & Cooling
  • Heat type Forced air unit
  • Exterior Home Features
  • Exterior material Wood
  • Exterior walls Wood Siding
  • Roof type Asphalt
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Misc

  • Units 2

Listing info

  • Last sold Aug 2007 for $1,015,000

Features

  • Fireplace
  • A/C

Householders and Tenants for 21 Union St, Boston MA

Businesses

Organization Phone Number Additional Info
Blackstn BLK Arch Inc
617-720-****
Categories:
Architects
Site:
blackstoneblock.com
BLACKSTONE BLOCK ARCHITECTS, INC
617-720-****
617-720-****
Industry:
Architectural Engineering ServicesArchitectArchitectural SvcsArchitects
Type of Business:
Domestic Profit Corporation
SIC:
8712 - Architectural Services
Site:
blackstoneblock.com
Michael Bourbeau
617-722-****
Email:
[email protected]
Organization:
Michael Bourbeau
Title:
Founder
Captains of Industry, Inc
617-725-****
617-926-****
Specialties:
AdvertisingCommercialFamilyFull- service marketing/ advertising agency offering integrated advertising, direct marketing, PR, web design, multimedia, and in- house video production
Categories:
Television Program Producers & Distributors
Industry:
Advertising & Marketing
Site:
captainsofindustry.com
Michael Bourbeau
617-722-****
SIC:
8661 - Religious Organizations
Fredrick Surr
617-926-****
Email:
[email protected]
Organization:
Captains Of Industry Inc
Title:
Manager

Possible Businesses

Organization Phone Number Additional Info
BLACKSTONE CONSTRUCTION CORPORATION
Type of Business:
Domestic Profit Corporation
Inactive:
19901231
BRI-MARS, INC
Type of Business:
Domestic Profit Corporation
Inactive:
19901231
OPENERA, INC
Type of Business:
Domestic Profit Corporation
Inactive:
20070531
Rhode Island Ltd Partners
Industry:
Business Services
UNION CLARENDON INVESTMENTS, INC
Type of Business:
Domestic Profit Corporation
Inactive:
19901231
UNION DEVELOPMENT CORPORATION
Type of Business:
Domestic Profit Corporation
Inactive:
19901231

Units - Who lives at 21 Union St, Boston MA

#61 bed, 1 bath, 350 sqft02135-4019
#6AMark Williams 02135-4019
#16Pedro Aliaga 02135-4019
#RCheryl E Carter 02135-4019

Purchase History

DateEventPriceSourceAgents
08/02/2007 Sold $1,015,000 Public records
05/27/2005 Sold $1,160,000 Public records
03/11/1999 Sold $463,000 Public records
08/30/1996 Sold $400,000 Public records

PURCHASE HISTORY 21 Union St, Boston MA

08/30/199605/27/2005Date$0$100k$200k$300k$400k$500k$600k$700k$800k$900k$1000k$1.1M$1.2MPrices

Cost estimate history

YearTaxAssessmentMarket
2013 $12,823 $975,900 N/A
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Where is 21 Union St, Boston MA located on map?

Market Activities

To date, we have no information about market activities in 2025
Jun 2021 Recent Rent
21 Union St #6
Price history :
$1,400
  • Apartment
  • 350 sqft
  • 1 bed
  • 1 bath

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Union St Fire Incident History

To date, we have no information about fire incidents in 2025
11 Dec 2018 Fires in structures other than in a building
1 Union St, Boston MA
Property Use —
Property Use, other
Area of Origin —
Other
First Ignition —
Bedding; blanket, sheet, comforter
Heat Source —
Heat source: other
03 Aug 2017 Building fires
41 Un St, Boston MA
Property Use —
Restaurant or cafeteria
Area of Origin —
Wall assembly
First Ignition —
Electrical wire, cable insulation
Heat Source —
Arcing
16 Jun 2017 Brush, or brush and grass mixture fire
67 Union St, Boston MA
Property Use —
Residential street, road or residential driveway
Area of Origin —
Outside area, other
First Ignition —
Organic materials, other
Heat Source —
Hot or smoldering object, other
17 Dec 2015 Grass fire
1 Union St, Boston MA
Property Use —
Outside or special property, other
Area of Origin —
Outside area, other
First Ignition —
Light vegetation - not crop, including grass
Heat Source —
Hot or smoldering object, other

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21 Union St incidents registered in FEMA
(Federal Emergency Management Agency)

To date, we have no information about incidents registered in FEMA in 2025
22 Jun 2003 Smoke scare, odor of smoke
21 Un St, Boston MA
Property Use —
1 or 2 family dwelling
26 Feb 2003 Medical assist, assist EMS crew
21 Un St, Boston MA
Property Use —
Street, other

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

To date, we have no information about incidents registered in FEMA in 2025
18 Nov 2015 Cooking fire, confined to container
17 Un St, Boston MA
Property Use —
Eating, drinking places
13 Nov 2015 Cooking fire, confined to container
15 Union St, Boston MA
Property Use —
Multifamily dwellings
11 Aug 2015 Cooking fire, confined to container
55 Un St, Boston MA
Property Use —
Bar or nightclub
26 Jun 2015 Hazardous condition, other
33 Union St, Boston MA
Property Use —
Street, other

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Properties Nearby

Street Address
16 Union St, Boston, MA
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  • 1 bath
  • 756 sqft
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  • 1 bath
  • 1,920 sqft
  • Built in 1980
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  • 1 bath
  • 1,180 sqft
  • Built in 1920
19 Union St, Boston, MA
Single Family
  • 4 beds
  • 3.5 baths
  • 2,300 sqft
  • Built in 1870
20 Union St, Boston, MA
Multi-Family Home
  • Lot: 1,344 sqft
  • Built in 1900
22 Union St, Boston, MA
Multiple Occupancy
  • 4 beds
  • 2 baths
  • Lot: 1,516 sqft
  • Built in 1870
23 Union St, Boston, MA
26 Union St, Boston, MA
Multi Family
  • 3 beds
  • 1 bath
  • Lot: 4,000 sqft
  • Built in 1910
27 Union St, Boston, MA
  • 2 beds
  • 1 bath
  • 1,000 sqft
29 Union St, Boston, MA 02135
  • 3 beds
  • 1 bath
  • Lot: 980 sqft

Union Street

Houses for Sale on Union Street (2)

Recently Sold Homes on Union Street (13)

Houses for Rent on Union Street (4)

Recent rentals on Union Street (40)

Boston, MA

Houses for Sale on Boston, MA (3182)

Recently Sold Homes on Boston, MA (5000)

Houses for Rent on Boston, MA (3181)

Recent rentals on Boston, MA (4945)

 

FAQ about the house at 21 Union St, Boston, MA

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