Lang & Klain, PLC






Construction Lawyers Commercial and Business Litigation Attorneys
Getting Paid ROC License Acquisition and Complaints

Lang & Klain is the ideal law firm for Arizona business owners who seek effective solutions to the threat of complex commercial disputes ... and for contractors, subcontractors and construction suppliers who value responsive, industry-specific legal assistance in construction law, payment rights, ROC licensing and complaints, and compliance with federal wage and hour requirements.


Construction and Litigation Attorneys

Construction lawyers and commercial litigation attorneys with experience in complex business disputes, contractor licensing, collections, mechanics liens, prompt payment issues and construction employment law.

Kent Lang, Phoenix Construction and Contractor Licensing Attorney

Kent Lang

Bill Klain, Phoenix Commercial Litigation Attorney

Bill Klain

Mike Thal, Phoenix Construction and Contractor License Lawyer

Mike Thal

Kevin Estevez, Phoenix Construction and Business Litigation Attorney

Kevin Estevez

George King, Phoenix Business Litigation Attorney

George King

James Hanson, Phoenix Construction and Commercial Litigation Attorney

James Hanson

Jason Clark, Phoenix Construction and Commercial Litigation Attorney

Jason Clark

Lori Guner, Phoenix Construction Employment Lawyer

Lori Guner

Zach Rosenberg, Phoenix Commercial Litigation Attorney

Zachary Rosenberg

David Turnbull, Phoenix Commercial Litigation Attorney

David Turnbull


 What’s New

Prompt Payment Act Does Not Apply to Federal Projects, Court Rules

A payment dispute over road signs at the Grand Canyon ends in a finding that a federal agency is not an “owner” under Arizona’s Prompt Payment Act

Changes at the ROC

The Registrar of Contractors has improved its contractor's license applications and issued new rules removing the dual-license requirement, providing new opportunities for contractors to defend their license at an ROC hearing, and removing the requirement that qualifying parties provide project lists | Also, a 2017 law reduces public access to contractors' ROC files

Welcome Back, Jamie Hanson

Jamie Hanson has returned to Lang & Klain after serving two years as Chief Counsel for the Arizona Registrar of Contractors (ROC)

Best Lawyers®

Kent Lang, Bill Klain and Mike Thal are listed in the 2018 edition of The Best Lawyers in America®

Best Law Firms®

Lang & Klain is a 2018 Metro Tier 1 selectee for Commercial Litigation

 Trending at

Piece Work: Pay Your Employees by the Task – Legally

Compensating workers based on piece work and productivity can be good for you and them – if you are as diligent in recording hours worked as in monitoring tasks completed

The Trouble with Change Orders

Faulty documentation leads to unnecessary finger pointing and charges of dishonesty

Arizona Prompt Payment Act

A licensed contractor, licensed subcontractor, or material supplier who has performed according to its contract is entitled to prompt payment from the party with which it contracted

Asset Transfers and the Doctrine of Successor Liability

A new business and its owner can be held liable for the debt of a company that transferred assets to the new entity

Avoiding Breach of Contract When Time Is of the Essence

A time-of-essence provision is a powerful weapon, since it can give an otherwise minor delay the legal effect of a material breach of contract