Permit Record

Alteration Residential

30 Fairmont Ave, Cambridge, MA 02139

ClassificationBuilding: Alteration and AdditionMultifamily Alteration
Reliable value$116,500
ContractorJasondu Construction
Permit record
Parties
Contractor
Jasondu Construction
Applicant
Jian Sheng Du
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
Not in source
Parcel & enrichment
Parcel APN
127-37
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
42.3616, -71.1126
Geocode confidence
100%
Geocode source
Not in source
Issued
Jul 2, 2024
Applied
Nov 18, 2022
Work class
Residential
Description
Source description

This renovation work order to finish section of the basement and modify 1st floor unit, 2nd floor back stair per architect drawings.Finish section of basement:•    Build a full bathroom•    Build a wet bar counter•    Install washer dryer hookups•    Rebuild exit staircase to backyard•    Install 60” spiral stairs connecting to 1st floor unitModify 1st floor unit to include basement living area:•    Convert existing door to backyard into a new window•    Build a new back door to backyard•    Build a new landing area 3’ x 5’Modify 2nd floor unit 2nd fire exit:•    Remove existing exit #30 staircase on the left side and rebuild 2nd floor unit exit through #32 fire exit on the right side.

Status
Current status
issued
Source status
Active
Provenance
First seen by PermitCore
May 18, 2026 · 16:17 UTC
Last seen
Aug 6, 2026 · 11:30 UTC
Last changed
May 18, 2026 · 16:17 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 127-37) · Jun 22, 2021 – Jul 2, 2024

  1. Jul 2, 2024This permitAlteration Residential · Issued$116,500Jasondu Construction
  2. Jun 22, 2021cambridge_aa_128071Alteration Residential · Issued$28,000Jasondu Construction

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

Other permits by Jasondu Construction

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Developer details
Permit #
cambridge_aa_202881
Canonical ID
309:cambridge_aa_202881
Source permit ID
cambridge_aa_202881
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