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Keys

Your first 90 days as an owner

A few small things now save headaches later: locks, your address, your first payment and the homestead filing. Big projects can wait.

Updated · 2-min read

Week one

Locks. You can't know who still has a key to your new home. Known1

Alarms. Working alarms matter most in a home you don't know yet.

  • Test every alarm.
  • Replace the batteries now, then every year.
  • Replace smoke alarms that are 10 years old. Rule2,3

Your address. Bills and statements keep going to your old address until you update them.

  • USPS: online at usps.com/move ($1.25 identity check) or free at a Post Office.
  • Banks, cards, investment, student loan and car loan accounts.
  • DMV, car and health insurance, and your phone company. Known4,5,6

Your loan

First payment. Your first payment date and where to send it are in your closing papers, and a move is an easy time to miss it. Known4,5

A new servicer? The company you pay can change; real notices come from both companies with dates and contact details.

  • Old servicer: notice at least 15 days before the transfer.
  • New servicer: notice within 15 days after it.
  • Move your autopay to the new servicer. Rule7,5

For 60 days after a transfer, an on-time payment sent to the old servicer can't be treated as late. Rule7

Taxes and insurance

Homestead. It can lower your property tax bill, and in most places you have to apply. Rule8,9,10,11

Tax appeals and homestead exemptions

Your tax bill. Some states reset the taxable value when a home sells, so the seller's bill isn't yours. Rule12,13,11

Insurance. Standard policies leave out flood and earthquake, and discounts or a higher deductible can lower your premium. Known5,14

Before big projects

The CFPB suggests living with your new budget for a few months and building an emergency fund before non-essential renovations. Known5

New owners spent a median 1.5% of their home's value a year on upkeep in the Census Bureau's 2021 survey; long-time owners spent 0.6%. Known15

Improvement costs add to your home's tax basis, which matters when you sell. Rule16

When to call a professional

Your servicer, at the number on your statement. Confirm any change by calling the number on your current statement, not one from an unexpected letter. Rule7,5

Your insurance agent. Check what's excluded, like flood and earthquake. Known5

Sources

  1. King County Sheriff: doors and locks (re-key or change all locks when moving in) · retrieved 2026-10-09 (via search excerpt) (opens in a new tab)
  2. CPSC: CO alarms (test monthly, replace batteries yearly) · retrieved 2026-10-09 (opens in a new tab)
  3. U.S. Fire Administration: replace smoke alarms every 10 years · 2016-10-06; retrieved 2026-10-09 (via search excerpt) (opens in a new tab)
  4. CFPB: What should I do before, during, and after the mortgage closing process? · reviewed 2024-06-27; retrieved 2026-10-09 (opens in a new tab)
  5. CFPB: Your mortgage closing checklist · retrieved 2026-10-09 (opens in a new tab)
  6. USPS: Standard Forward Mail & Change of Address ($1.25 online identity check) · retrieved 2026-10-09 (via search excerpt) (opens in a new tab)
  7. CFPB: What happens if the company that I send my mortgage payments to changes? · reviewed 2024-04-03; retrieved 2026-10-09 (opens in a new tab)
  8. Texas Comptroller: property tax exemptions (residence homestead; apply before May 1) · page modified 2025-12-11; retrieved 2026-10-09 (opens in a new tab)
  9. Fla. Stat. §196.011: exemption applications due March 1 · 2025 statutes; retrieved 2026-10-09 (opens in a new tab)
  10. California BOE: homeowners' exemption ($7,000; file by February 15) · retrieved 2026-10-09 (opens in a new tab)
  11. California BOE-266: file by February 15 or within 30 days of a supplemental assessment notice · REV. 14 (07-25); retrieved 2026-10-09 (via search excerpt) (opens in a new tab)
  12. Fla. Stat. §193.155: reassessment at just value on January 1 after a change of ownership · 2025 statutes (via docs/research/facts-and-truth.md) (opens in a new tab)
  13. Los Angeles County Assessment Appeals: supplemental appeals within 60 days of mailing · retrieved 2026-10-09 (via search excerpt) (opens in a new tab)
  14. CFPB: What is homeowner's insurance? Why is homeowner's insurance required? · reviewed 2024-08-08; retrieved 2026-10-09 (opens in a new tab)
  15. Census Bureau: new owners of older homes spend more on upkeep (2021 American Housing Survey) · 2023-10-12 (via docs/research/facts-and-truth.md) (opens in a new tab)
  16. IRS Publication 530: keeping records (basis and improvements) · retrieved 2026-10-09 (via search excerpt) (opens in a new tab)

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