London Corporation

DBA: Pro Tech Building Systems

ROC #175672·CR-67 Low Voltage Communication Systems·Active

✓ License active✓ No disciplinary actions on recordLicensed 24 yrs

Address:: 947 S 48th Street Suite 103, Tempe, AZ 85281
Qualifying party:: Sign in to view
Issued:: Jun 10, 2002
Expires:: Jun 30, 2028

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Compliance & activity profile

✓ Clear

No adverse license or disciplinary signals on the public AZ ROC record.

Composite of public AZ ROC license status + disciplinary record + permit-activity velocity.

Safety record

1 OSHA inspection

Federal OSHA / AZ ADOSH has an inspection on public record matched to this contractor — most recent safety inspection 2015 in Phoenix.

Public inspection records matched by business name + city. An inspection is a routine or complaint-driven event, not a finding of wrongdoing — for verification and vetting context only.

Momentum & expansion

🔧 New trade · Modification

Derived from this contractor's permit history — last 90 days vs prior. A live "worth calling now" read.

Contact from permit filings

(480) 668-5888jstarkptbs@msn.com

Self-reported by the contractor on their own permit filings across 5 Arizona cities. Verify before outreach.

Activity dashboardTop 5% in AZ · 12-mo volume

Aggregated across 274 permits we've linked to this license.

Last 90 days

permits

Last 12 months

permits

12mo total

$4K

valuation

Lifetime $

$7.6M

valuation

Typical work: PRIVATE

Most active zip: 85016

Average job size: $31K

Active zips (12mo): 9

First permit on record: 2007-10-10

Last permit on record: 2026-07-21

Active in: Chandler · Gilbert · Mesa · Peoria · Phoenix

Permits by month · trailing 12

Where they pull permits · last 12 months

Phoenix

85%

Peoria

12%

Gilbert

Lately

Job values are as reported on the permit application; ~ values are labeled estimates from typical values for the permit type, never dressed up as filed figures.

About this record

This page is a public summary of London Corporation built entirely from government records — the Arizona Registrar of Contractors license file and building permits issued by jurisdictions across Arizona. PlumbIntel joins those sources so you can see, in one place, that a contractor is properly licensed and actively pulling permits under that license.

Everything here is factual and sourced: license status and dates come from the AZ ROC; permit counts, addresses, and values come from the issuing jurisdiction. We do not publish reviews, ratings, or unverified contact details — owner-provided updates always carry their source label. If you're a homeowner vetting a contractor, a lapsed license or a gap in permit history is worth a conversation before you sign.

SOURCE: AZ ROC LICENSE FILESOURCE: CITY & COUNTY PERMITSHow the data is built →Own this page? Claim it →

Related contractorsCR-67 · Tempe

See London Corporation's full permit history, sub-network, and estimated annualized material spend — plus get alerts when they pull a new permit.