STrOp · Learn
Practical knowledge for specialty contractors
Compliance, change management, project controls, and the data discipline that compounds across bids. Written for California specialty subs — owners, PMs, estimators, and the field.
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California lien deadlines — preliminary notice, stop notice, mechanic's lien
The three deadlines that protect your right to get paid on a private California project. Miss one, lose the remedy.
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Pay app submission checklist
What goes in a monthly pay application, what the GC's reviewer looks for, and what STrOp assembles automatically.
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Retainage release — when, how much, and what to chase
Standard 5–10% withholding through the project, partial release at substantial completion, final release after closeout. The clocks and triggers contractors miss.
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See STrOp in action
Single-pipeline operations for California specialty contractors — bid through warranty.
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