Grindstone General Contracting LLC

ROC #323346·KB-2 Dual Residential and Small Commercial·Active

✓ License active✓ No disciplinary actions on recordLicensed 7 yrs

Address:: 1200 W Boston St, Chandler, AZ 85224
Qualifying party:: Nolan Lukas Roberts Mr
Issued:: Jan 28, 2019
Expires:: Jan 31, 2027

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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

(602) 769-6945nolan@grindstonegc.com

Self-reported by the contractor on their own permit filings across 3 Arizona cities. Verify before outreach.

Contact & reputation

★ 5.0 (1 reviews)Contractor

Source: Google Business Profile via DataForSEO. Verify before outreach.

Activity dashboard

Aggregated across 8 permits we've linked to this license.

Last 90 days

permits

Last 12 months

permits

12mo total

valuation

Lifetime $

$843K

valuation

Typical work: PRIVATE

Most active zip: 85251

Average job size: $141K

Active zips (12mo): 1

First permit on record: 2021-11-24

Last permit on record: 2025-12-31

Active in: Gilbert · Phoenix · Scottsdale

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 Grindstone General Contracting 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 We do not publish reviews, ratings, or unverified contact details — owner-provided updates always carry their source label.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 contractorsKB-2 · Chandler

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