Filing a VA disability claim has a smart optional first move that a lot of veterans skip: submitting an "Intent to File" before your full formal claim. This short form tells the VA you plan to file, and it can lock in an earlier effective date for your benefits — potentially worth months of retroactive pay — giving you up to a year afterward to actually submit the complete claim. * When you're ready for the formal claim, you have several ways to file: online through your VA.gov account, by mail using VA Form 21-526EZ sent to the VA's Claims Intake Center, in person at your regional VA office, or by working with an accredited attorney, claims agent, or Veterans Service Organization representative — many veterans use a VSO specifically because that help is typically free. * Whichever method you choose, gathering your own supporting evidence before filing — service treatment records, private medical records, and anything else relevant to your specific condition — and submitting it alongside your claim rather than after tends to move things along faster than waiting for the VA to track everything down itself. * There's a formal option for claims where you're confident you've already gathered everything needed: the Fully Developed Claim program lets you state upfront that no further evidence is coming, which signals to the VA that your claim is ready for immediate review rather than sitting in a queue waiting for more documentation. * As of recent data, the average VA disability claim takes around 135 days to process from filing to decision — though that average varies considerably based on how complex your specific claim is and how complete your submitted evidence was from the start.