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Milestone ControlsSheet 10REV 2026.08.22

Construction Escrow and Milestone Controls: A Practical Guide

Understand construction escrow, milestone controls, evidence review, human approval, provider custody, reconciliation, and legal boundaries.

On this page5 sections

Construction teams often use the word escrow for several different arrangements: a licensed third-party escrow account, a project bank account, a payment-provider balance, or an internal software ledger. Those arrangements are not interchangeable.

Before relying on an escrow claim, identify who legally holds the funds, under which agreement, at which institution, who can authorize release, and how the records reconcile to the provider statement.

Separate workflow from custody

Software can implement milestone controls without itself becoming the legal custodian of customer funds. A clear product should distinguish the following layers.

  • Contract layer: scope, milestones, approval rights, retainage, disputes, and remedies.
  • Application layer: evidence, review state, approvals, invoices, fees, and audit history.
  • Provider layer: account ownership, custody, transfer eligibility, settlement, and reversals.
  • Reconciliation layer: proof that provider activity and application records agree.

Human-authorized milestone review

Photos and field records can help an authorized reviewer understand a submission. AI may summarize visible evidence or flag uncertainty, but it is not a licensed inspection and should not trigger an automatic release.

The approval record should identify the reviewer, evidence, decision, time, and resulting payment state.

Questions for any construction escrow product

Obtain answers from the provider agreement, account records, and qualified advisers—not only marketing copy.

  • Who is the legal account holder and custodian?
  • Is the service available for the project parties and jurisdictions involved?
  • What KYB/KYC, sanctions, licensing, and transaction limits apply?
  • How are disputes, refunds, chargebacks, insolvency, and abandoned funds handled?
  • Can each release be reconciled to a provider transaction and bank statement?

NEXUS product boundary

NEXUS currently provides beta milestone, evidence, approval, invoice, fee, and internal-ledger records. Those controls must not be represented as proof that NEXUS is a licensed escrow provider or that a live bank rail is available without separate provider and compliance verification.

Next action

Review the workflow against your current process

NEXUS is in beta. Compare the public product facts with one representative project workflow, keep qualified reviewers in the loop, and request access only if the scope fits.

Quick reference

Frequently asked questions

Is every construction payment platform an escrow provider?

No. A platform may record milestones and approvals while a different regulated provider or bank holds and transfers the funds.

Can photo verification automatically release escrow?

It should not. Photos and AI analysis may support review, but release should follow the contract and require authorized approval.

What proves that funds are actually held?

The applicable account agreement, custodian or provider records, account ownership, transaction evidence, and reconciliation—not an application label alone.