STrOp
LearnUpdatesRoadmap
Request beta access

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.

1 of 47 articles in Closeout tagged lien-waiver. Clear

StageallBilling2Closeout1Every stage1
RoleallFinance1PM1Principal1
Topicallcloseout3collections2retainage2substantial-completion2as-builts1billing1california1contingency1estimating1lessons-learned1lien1lien-waiver1mechanics-lien1pmi1preliminary-notice1punch-list1single-pipeline1stop-notice1warranty1

Close out the job — punch, package, retention, done

Clear the punch list, file the closeout documents so the package assembles itself, issue substantial completion, and bill retention on the final application with the §8138 waiver behind it.

Closeoutcloseoutpunch-listas-builtsretainagesubstantial-completion

See STrOp in action

Single-pipeline operations for California specialty contractors — bid through warranty.

Request beta access →
STrOp

Specialty Trade Operations — the operating system for California specialty contractors. Pre-bid through warranty in a single pipeline.

Learn
  • All articles
  • What's new
  • Roadmap
Get started
Request beta access →

© 2026 STrOp. All rights reserved.