420 Main St Unit Common
City of Cambridge
- 9 permits
- since 2021
- Feb 9, 2022
- Most recent permit
Building permit timeline
Year-grouped permit history. Permits collapse under each year.
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2022
3 filingsView permits (3) Hide permits
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Feb 9, 2022
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2021
6 filingsView permits (6) Hide permits
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Nov 17, 2021
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Nov 12, 2021
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Sep 3, 2021
Nearby Construction
Within 250 mActive and recent construction within 250 m of this address.
7 locations shown
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1
28 m
420 Main St Unit 105
Renovation -
2
53 m
400 Main St
Renovation -
3
75 m
31 Dundas St S
Renovation -
4
135 m
75 Dundas St N Unit A
Renovation ×2 -
5
166 m
75 Dundas St N
Renovation ×4 -
6
179 m
479 Main St
Renovation -
7
225 m
340 Main St
New Build
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.
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75 Dundas St N Unit A
135m2 recent · 25 total
Retail · 2 filings in the last 12 months, latest Nov 2025
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31 Dundas St S
75m1 recent · 7 total
Retail · 1 filing in the last 12 months, latest Aug 2025
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400 Main St
53m11 filings
Institutional · Last filed Apr 2025
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75 Dundas St N
166m1 recent · 39 total
Retail · 1 filing in the last 12 months, latest May 2026
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420 Main St Unit 105
28m2 filings
Office · Last filed Aug 2024
420 Main St Unit Common in Cambridge has 9 building permits on record dating back to 2021, most recently on February 9, 2022.