Contractor Profile

Blackstone Building Group

Blackstone Building Group is a specialist commercial alteration contractor in Philadelphia — all 13 of its segment-eligible permits fall in commercial alteration. Its permit record in Philadelphia spans 2020–2026.

First permit: Sep 22, 2020 (2,181d ago)Latest permit: May 27, 2026 (108d ago)
The sales record
Market
Philadelphia
Active
2020–2026 · 6 yrs
Licence IDs on their permits
Reliable value
Coverage
Reliable filings
Rank in Philadelphia
#2,616
Permits (all-time, all segments)
23
Filings 90d
0
Filings 30d
0
Latest permit
May 27, 2026
Typical project sizeNot enough valued permits to summarize.
Where they work

Primarily Commercial Alteration 100% of 13 segment-classified permits

Ranked #206 in the Philadelphia Commercial Alteration leaderboard →
Firmographics
License & registration IDs on fileNot in our data — we don’t hold licensing-board registries, and this city’s permit records carry no licence number. This is a gap in our coverage, not a statement about this firm’s licensure.
Direct contactNot in our data — we don’t fabricate firmographics.
What we won’t fabricate

Blackstone Building Group has 23 permits, but too few carry a value we can stand behind — so we publish for reliable value, never a guess. They still rank by volume; the dollar figure stays honest.

Below our reliability threshold — too few filings carry a value we stand behind
Monthly activity
Jun ’250–1 permits/moMay ’26
permits per month

Monthly value isn’t shown: too few of Blackstone Building Group’s permits carry a reliable valuation, so we publish the count trend only rather than a value line built from gaps.

Service area

Typical service area ~10 mi in Philadelphia

The p90 footprint of where Blackstone Building Group has pulled permits in Philadelphia — drawn from all 23 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.

  • Philadelphia23
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Recent permits

Showing 13 of 13 permits by Blackstone Building Group in the indexed window · most recent first

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May 27, 2026
824 N 2nd St, Philadelphia, PA
Commercial Alteration
Mar 4, 2026
712-14 South St, Philadelphia, PA
Commercial Alteration
Oct 16, 2025
25 Snyder Ave, Philadelphia, PA
Commercial Alteration
Jun 10, 2025
456 N 5th St, Philadelphia, PA
Commercial Alteration
Aug 31, 2022
3300 Henry Ave # 1, Philadelphia, PA
Commercial Alteration
Apr 26, 2022
5708 Ridge Ave, Philadelphia, PA
Commercial Alteration
Apr 21, 2022
330 Oregon Ave, Philadelphia, PA
Commercial Alteration
Feb 25, 2022
2137 Welsh Rd Ste 1C, Philadelphia, PA
Commercial Alteration
Feb 23, 2022
1510-12 Sansom St, Philadelphia, PA
Commercial Alteration
Feb 9, 2022
9-23 W Highland Ave, Philadelphia, PA
Commercial Alteration
Dec 3, 2021
200-10 Lombard St, Philadelphia, PA
Commercial Alteration
Jan 15, 2021
2000 Hamilton St, Philadelphia, PA
Commercial Alteration
Dec 24, 2020
3348-62 Grant Ave, Philadelphia, PA
Commercial Alteration
Sites Blackstone Building Group returns to6 in Philadelphia

Addresses where Blackstone Building Group has pulled repeat permits and the site itself has a deep permit history (25+ permits, all contractors). Each links to that parcel’s full record.

Other top Commercial Alteration contractors in Philadelphia
See the full Philadelphia Commercial Alteration leaderboard →

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