21 Ainslie St N
City of Cambridge
- 28 permits
- since 1997
- Dec 7, 2021
- Most recent permit
Building permit timeline
Year-grouped permit history. Permits collapse under each year.
-
2021
1 filingView permits (1) Hide permits
-
Dec 7, 2021
-
-
2015
5 filingsView permits (5) Hide permits
-
Nov 9, 2015
-
-
2014
1 filingView permits (1) Hide permits
-
2011
1 filingView permits (1) Hide permits
-
2006
2 filingsView permits (2) Hide permits
-
Aug 22, 2006
-
View 4 earlier years Hide earlier years
-
2005
1 filingView permits (1) Hide permits
-
2001
11 filingsView permits (11) Hide permits
-
Mar 1, 2001
-
Mar 1, 2001
-
Mar 1, 2001
-
Mar 1, 2001
-
Mar 1, 2001
-
Mar 1, 2001
-
Mar 1, 2001
-
Mar 1, 2001
-
Mar 1, 2001
-
Mar 1, 2001
-
2000
1 filingView permits (1) Hide permits
-
1997
5 filingsView permits (5) Hide permits
-
Dec 10, 1997
-
Nov 17, 1997
-
Oct 31, 1997
-
Nearby Construction
Within 250 mActive and recent construction within 250 m of this address.
36 locations shown
-
1
16 m
15 Ainslie St N
Renovation -
2
32 m
9 Ainslie St N
Renovation -
3
64 m
90 Main St
Renovation -
4
67 m
38 Ainslie St N
Renovation -
5
68 m
58 Main St
Renovation ×3 -
6
68 m
30 Dickson St
Renovation -
7
83 m
75 Main St
Renovation -
8
84 m
73 Main St
Renovation -
9
87 m
44 Main St
Renovation -
10
90 m
69 Main St
Renovation -
11
95 m
63 Main St
Renovation -
12
99 m
87 Main St
Renovation -
13
100 m
48 Ainslie St N
Renovation -
14
115 m
50 Dickson St
Renovation ×2 -
15
116 m
50 Ainslie St N
Renovation ×2 -
16
118 m
89 Main St Unit 106
Renovation -
17
120 m
39 Main St
New Build -
18
120 m
26 Main St
Renovation ×3 -
19
128 m
6 Cambridge St
Renovation -
20
130 m
15 Water St N
Renovation -
21
133 m
31 Main St
Renovation -
22
135 m
111 Main St
Renovation -
23
136 m
29 Main St
Renovation -
24
140 m
21 Water St N
Renovation -
25
141 m
25 Main St
Renovation ×3 -
26
143 m
60 Dickson St
Renovation -
27
146 m
12 Wellington St
Renovation -
28
153 m
15 Main St
New Build -
29
165 m
45 Water St N
Renovation ×2 -
30
176 m
12 Water St N
Renovation -
31
184 m
57 Water St N
Renovation -
32
186 m
15 Wellington St
Renovation ×2 -
33
186 m
1 Wellington St
Renovation -
34
214 m
14 Water St N
Renovation -
35
221 m
65 Water St N
Renovation -
36
248 m
21 Cambridge St
Renovation
New Build
Renovation
Construction activity detected within 250 m, from the City of City of Cambridge's open data. Each pin is a City-geocoded point (which may hold more than one record/address); click for details. OGL – City of Cambridge
Nearby active addresses
Direct next steps for exploration.
-
38 Ainslie St N
67m1 recent · 10 total
Retail · 1 filing in the last 12 months, latest Feb 2026
-
58 Main St
68m1 recent · 14 total
Restaurant · 1 filing in the last 12 months, latest Apr 2026
-
55 Dickson St Unit 101
82m1 recent · 11 total
Institutional · 1 filing in the last 12 months, latest Jul 2026
-
63 Main St
95m1 recent · 9 total
Retail · 1 filing in the last 12 months, latest Feb 2026
-
9 Ainslie St N
32m11 filings
Medical · Last filed Jun 2025
21 Ainslie St N in Cambridge has 28 building permits on record dating back to 1997, most recently on December 7, 2021.