Mortgage
LOS
An LOS, or loan origination system, manages mortgage or lending application data and process stages from intake through decision, closing, and funding.
An LOS, or loan origination system, manages mortgage or lending application data and process stages from intake through decision, closing, and funding.
What LOS means
An LOS, or loan origination system, manages mortgage or lending application data and process stages from intake through decision, closing, and funding.
The exact scope varies by lender and product. An LOS may coordinate applications, documents, disclosures, processing, underwriting, conditions, approvals, and integrations. Because it contains authoritative loan data, connected workflows need strict field ownership and permission rules.
How it works
Applications and supporting information enter the LOS through forms, staff, imports, or APIs. Users and systems update approved stages and tasks. A voice workflowWorkflowA workflow is a defined sequence of steps, decisions, actions, delays, and outcomes used to complete a business process. can read limited status or create an intake record, but regulated decisions and sensitive changes follow the lender’s authorized process.
Practical use cases
Creating a structured intake for lender review
Routing an application status request
Creating a task after a borrower conversation
Treat the LOS as controlled lending infrastructure, not a general-purpose CRMCRMA CRM is the system used to manage leads, contacts, accounts, opportunities, activity, ownership, and follow-up.. Write only approved data, preserve auditability, and route uncertainty to qualified staff.
Frequently asked questions
Why does LOS matter?
Treat the LOS as controlled lending infrastructure, not a general-purpose CRM. Write only approved data, preserve auditability, and route uncertainty to qualified staff.
Is an LOS the same as a mortgage CRM?
No. A CRM manages prospects, relationships, and follow-up. An LOS manages the formal origination process and loan records. Integrations may connect the two.
Source: CFPB Regulation X definitions.
Related concepts: system of recordSystem of recordA system of record is the authoritative source for a defined category of business data., crm integrationCRM integrationA CRM integration connects an agent or communications platform with a CRM so the systems can exchange records, events, and actions., pre qualification, mloMLOAn MLO, or mortgage loan originator, is an individual or organization performing covered mortgage-origination activities under applicable federal and state rules..