Alteration Residential
336 Pearl St, Cambridge, MA 02139
ClassificationBuilding: Alteration and AdditionMultifamily Alteration
Reliable value$1,000,000
ContractorPurdy Construction →
Permit record
Parties
- Contractor
- Purdy Construction
- Applicant
- Robert Purdy
- Owner
- Not in source
- Architect
- Boyes-Watson Architects
- 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
- 2,747 sq ft
Parcel & enrichment
- Parcel APN
- 98-7
- 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
- 42.3565, -71.1113
- Geocode confidence
- 100%
- Geocode source
- Not in source
- Issued
- Mar 9, 2021
- Applied
- Feb 10, 2021
- Work class
- Residential
Description
Source description
Complete renovation and conversion of a three-family residence to a two-family residence.(Openings will be covered to prevent dust control.)
Status
- Current status
- finaled
- Source status
- Complete
- Finaled
- Mar 9, 2021
Provenance
- First seen by PermitCore
- May 18, 2026 · 16:16 UTC
- Last seen
- Jul 2, 2026 · 11:40 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
- Mar 9, 2021This permitAlteration Residential · Finaled$1,000,000Purdy Construction
- Mar 8, 2021cambridge_aa_107790Alteration Residential · Finaled$496,000Purdy Construction
- Dec 3, 2020cambridge_aa_84275Alteration Residential · Issued$30,000Purdy Construction
- Nov 3, 2020cambridge_aa_84255Alteration Residential · Issued$30,000Purdy Construction
Full permit history at this parcel · as of Jul 8, 2026.
Other permits by Purdy Construction
Developer details
- Permit #
- cambridge_aa_107787
- Canonical ID
- 309:cambridge_aa_107787
- Source permit ID
- cambridge_aa_107787