National Barricade LLC

ROC #310451·A General Engineering·Active

✓ License active✓ No disciplinary actions on recordLicensed 9 yrs

Address:: 19820 N. 7TH AVE STE 120, PHOENIX, AZ 85027
Qualifying party:: Nathan Shane Grauman
Issued:: Dec 15, 2016
Expires:: Dec 31, 2026

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Underwriting risk

Low risk

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

Composite of public AZ ROC license status + disciplinary record + permit-activity velocity. For underwriting/vetting context — see insurance use.

Contact from permit filings

(623) 879-4695nbctcp@gonbc.com

Self-reported by the contractor on their own permit filings. Verify before outreach.

Activity dashboard

Aggregated across 2 permits we've linked to this license.

Last 90 days

permits

Last 12 months

permits

12mo total

valuation

Lifetime $

valuation

Typical work: Work Zone Traffic Control

Most active zip: 85234

Average job size: $0

Active zips (12mo): 1

First permit on record: 2025-09-02

Last permit on record: 2025-09-02

Active in: Gilbert

Permits by month · trailing 12

Where they pull permits · last 12 months

Gilbert

100%

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 National Barricade LLC 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 We do not publish reviews, ratings, or unverified contact details — owner-provided updates always carry their source label.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 contractorsA · PHOENIX

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