# Filing Extensions in San Mateo, CA

More time to file (not to pay) — Form 4868 and what it really does.

Who: Anyone who can't file by April 15 — an extension avoids the failure-to-file penalty.
Cost: Free to file; payment is still due April 15 to avoid interest and penalties.

Local context: 315 credentialed preparers, 69,320 returns filed, $215,890 avg AGI.

taxprepservicehq.com/california/san-mateo/tax-extensions/