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.
2 of 47 articles in Closeout tagged collections. Clear
Topicallcloseout3collections2retainage2substantial-completion2as-builts1billing1california1contingency1estimating1lessons-learned1lien1lien-waiver1mechanics-lien1pmi1preliminary-notice1punch-list1single-pipeline1stop-notice1warranty1
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.
BillingCloseoutcollectionsliencaliforniapreliminary-noticestop-notice
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.
BillingCloseoutbillingcollectionscloseoutretainagesubstantial-completion
See STrOp in action
Single-pipeline operations for California specialty contractors — bid through warranty.
Request beta access →