Contractor Profile

MAYFIELD SITE CONTRACTORS

MAYFIELD SITE CONTRACTORS concentrates in commercial mep in Philadelphia (94% of its 18 segment-eligible permits), with secondary activity across 1 other segment. Its permit record in Philadelphia spans 2010–2026.

First permit: Sep 17, 2010 (5,769d ago)Latest permit: Mar 25, 2026 (101d ago)

The sales record

Territory: Philadelphia
Active: 2010–2026 · 16 yrs
Licenses on file: 0
Canonical ID: 535,837
Reliable value: —
Coverage: —
Reliable filings: —
Rank in Philadelphia: #1,144
Permits (all-time): 31
Filings 90d: 0
Filings 30d: 0
Latest permit: Mar 25, 2026

Typical project sizeNot enough valued permits to summarize.

Where they work

Primarily Commercial MEP — 94% of 18 segment-classified permits

Ranked #706 in the Philadelphia Commercial MEP leaderboard →

Firmographics

License & registration IDs on fileNo license records in the source data.

Direct contactNot in our data — we don’t fabricate firmographics.

What we won’t fabricate

MAYFIELD SITE CONTRACTORS has 31 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.

—Valuation coverage too low to total

Service area

Typical service area ~7 mi in Philadelphia

The p90 footprint of where MAYFIELD SITE CONTRACTORS has pulled permits in Philadelphia — based on 18 geocoded permits (58% of their indexed set). It reflects detected permit activity, not a guaranteed service-area claim.

Philadelphia31

Recent permits

Showing 18 of 18 permits by MAYFIELD SITE CONTRACTORS · most recent first

Sort


Dec 29, 2025	2500 SPRING GARDEN ST, Philadelphia, PA	Commercial MEP Commercial	—
Dec 12, 2024	2901 S 56TH ST, Philadelphia, PA	Commercial MEP Commercial	—
Dec 9, 2024	2901 S 56TH ST, Philadelphia, PA	Commercial MEP Commercial	—
Sep 23, 2024	3000-50 W SCHOOL HOUSE LN, Philadelphia, PA	Commercial MEP Commercial	—
Aug 14, 2024	23 W COULTER ST, Philadelphia, PA	Commercial MEP Commercial	—
Jan 5, 2023	2910 SOUTH ST, Philadelphia, PA	Commercial MEP Commercial	—
Dec 14, 2022	139 N 23RD ST, Philadelphia, PA	Commercial MEP Commercial	—
Oct 17, 2022	139 N 23RD ST, Philadelphia, PA	Commercial MEP Commercial	—
Sep 26, 2022	3076 RED LION RD, Philadelphia, PA	Commercial MEP Commercial	—
May 5, 2022	3800 POWELTON AVE, Philadelphia, PA	Commercial MEP Commercial	—
May 5, 2022	30 N 23RD ST, Philadelphia, PA	Commercial MEP Commercial	—
Apr 28, 2022	4519-45 CHESTNUT ST, Philadelphia, PA	Commercial MEP Commercial	—
Feb 11, 2022	9898 E ROOSEVELT BLVD # A, Philadelphia, PA	Commercial MEP Commercial	—
Sep 30, 2021	4318-48 G ST, Philadelphia, PA	Commercial Alteration	—
Jun 11, 2021	4318-48 G ST, Philadelphia, PA	Commercial MEP Commercial	—
Jun 11, 2021	3025 JOHN F KENNEDY BLVD, Philadelphia, PA	Commercial MEP Commercial	—
Apr 8, 2021	1900-54 N 10TH ST, Philadelphia, PA	Commercial MEP Commercial	—
Mar 2, 2021	3000-18 MARKET ST, Philadelphia, PA	Commercial MEP Commercial	—

Put MAYFIELD SITE CONTRACTORS on your call list.

Track this contractor, get alerted when they pull a new permit, and explore Philadelphia permits in the Market Explorer — enriched and parcel-joined.

Explore Philadelphia permits →Start free