Permit Record

Alteration Residential

568 Green St, Cambridge, MA 02139

ClassificationBuilding: Alteration and AdditionMultifamily Alteration
Reliable value$12,995
ContractorSpecial Agent Systems
Permit record
Parties
Contractor
Special Agent Systems
Applicant
Mark Warner
Owner
Not in source
Architect
Not in source
Engineer
Not in source
Contractor license
Not in source
Building & lot · PLUTO
Building class
Not in source
Zoning district
Not in source
Lot area
Not in source
Year built
Not in source
Units (total)
Not in source
Units (residential)
Not in source
Units (commercial)
Not in source
Floor area
4,250 sq ft
Parcel & enrichment
Parcel APN
120-83
Climate zone (IECC)
5A
Roof area (est.)
Not derivable — no building-size signal for this permit
HVAC tonnage (est.)
Not derivable — no building-size signal for this permit
Building type
R
Building subtype
Multi Family (3 or more dwelling units)
Geocode & dates
Coordinates
42.3681, -71.1104
Geocode confidence
100%
Geocode source
Not in source
Issued
Dec 28, 2020
Applied
Dec 9, 2020
Work class
Residential
Description
Source description

Install a building fire alarm system in the multi unit building as per the international existing building code, The Massachusetts State building code, ninth edition, NFPA 72, NFPA 70 and NFPA1.

Status
Current status
finaled
Source status
Complete
Finaled
Dec 28, 2020
Provenance
First seen by PermitCore
May 18, 2026 · 16:16 UTC
Last seen
Aug 6, 2026 · 11:30 UTC
Last changed
May 18, 2026 · 16:16 UTC
Data-quality checks0 of 12 flagged

0 of 12 data-quality rules flagged anything on this permit.

Checks not flagged

  • Geocode out of bounds
  • Geocode is sentinel
  • Issued date in the future
  • Issued date parse bug
  • Issued date is placeholder
  • Commercial units is placeholder
  • Residential units out of bounds
  • Residential units is placeholder
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
  • Valuation is placeholder
Project timeline at this parcel

2 permits at this parcel (parcel 120-83) · Jul 29, 2020 – Dec 28, 2020

  1. Dec 28, 2020This permitAlteration Residential · Finaled$12,995Special Agent Systems
  2. Jul 29, 2020cambridge_aa_81167Alteration Residential · Issued$151,050Rapid Construction Management

Full permit history at this parcel · as of Jul 8, 2026.

Other permits by Special Agent Systems

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Developer details
Permit #
cambridge_aa_102113
Canonical ID
309:cambridge_aa_102113
Source permit ID
cambridge_aa_102113
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