This article explains why a Household Account name in the Nonprofit Success Pack (NPSP) is overwritten with the literal value "Household" when you edit an associated Contact's address, and how to correct it. The behavior can appear intermittent because NPSP recalculates account names during Contact save and during the nightly TDTM (Table-Driven Trigger Management) account naming job.
The rename occurs for a Household Account when its Primary Contact (or a Contact triggering the recalculation) has blank First Name and Last Name values, causing the NPSP naming formatter to produce the fallback name "Household." It can also occur when a custom Apex trigger on the Contact object with faulty bypass logic overrides the NPSP naming. No error message is displayed; the account name simply changes on save.
Cause 1: A Contact linked to the Household Account has blank First Name and Last Name fields, so NPSP account naming produces the default "Household".
Cause 2: A custom Apex trigger on the Contact object overrides NPSP naming and resets the name to "Household" because its bypass logic fails on Contacts with blank first/last name.
Cause 3: The State and Country Picklists feature combined with Household Address handling is interfering with the address save.
Confirm the issue is resolved by editing the address on the affected Contact, saving, and verifying the Household Account Name field retains the donor's name (for example "Smith Household") and does not revert to "Household".
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