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A short video on this page walks through the voucher math and the five steps to your estimate. Here is what it says:
The call finally came. Your name came up on the Section 8 waitlist. And now one question keeps you up at night. What will I actually pay in rent? The paperwork talks about adjusted income and payment standards. None of it tells you the number on rent day. You generally pay about thirty percent of your adjusted income toward rent. The voucher covers the rest, up to a local limit. CheckMyVoucher shows you your share of the rent, in plain English. It is free. No signup, no name, and no social security number. Five quick steps. ZIP code. Household size. Income. Bedrooms. Then your result. It starts with your ZIP code, because Section 8 rules change depending on where you live. It reads the HUD income limits and Fair Market Rents for your own county. The same income can qualify in one county, and not the next. You see an estimate of your share, and the voucher's share, so you can plan your budget. Your housing authority sets a payment standard. Rent above it, and you pay the extra yourself. It is an estimate. Your housing authority decides, and CheckMyVoucher is not a government agency. Next, find the housing authority for your ZIP code. You apply there, not through HUD. Many waitlists are closed. The waitlist tracker shows the status we have verified, with the date we checked. The same calculator can also estimate SNAP, the federal food benefit. And the Know Your Rights page shows if your state protects you from landlords who refuse vouchers. CheckMyVoucher. Free, no account, built on HUD data.
Eligibility is set by income, household size, and where you live. In most counties your gross household income must be at or below 50% of the Area Median Income, and at least 75% of new vouchers must go to households at or below 30% of AMI. Because the limits are drawn county by county, the same income can qualify in one county and not in the next one over. HUD republishes every figure each spring, and CheckMyVoucher reads the current tables rather than a stored copy.
Your Public Housing Authority sets a Payment Standard, usually between 90% and 110% of the HUD Fair Market Rent for your area and bedroom size. You pay roughly 30% of adjusted monthly income and the voucher pays the difference up to that standard. If you rent above the standard, you pay the excess yourself. Enter your ZIP code, household size, and gross income to see the Fair Market Rent for your area and an estimate of both numbers.
You apply through a local Public Housing Authority, not through HUD directly, and each authority runs its own waitlist. Many are closed at any given time and open for a short window, sometimes only a few days. Waits run from about six months in smaller areas to more than ten years in the largest metros. The PHA lookup shows who serves your ZIP code, and the waitlist tracker lists the authorities we have confirmed are currently open.
Income limits are published per county and metro area, which is the level that decides your eligibility. These are the counties people look up most.
Each city page carries the current Fair Market Rent for that metro by bedroom size, so you can see the rent ceiling a voucher is measured against before you apply.
Prefer to start at the state level and narrow down? Every state has its own page listing the Extremely Low, Very Low, and Low income thresholds by household size.
The same calculator also estimates SNAP, the federal food benefit, because most households applying for housing help qualify for it too. For FY2027 (Oct. 1, 2026 through Sept. 30, 2027) the maximum SNAP benefit for a family of four is $1,023 a month in the lower 48 states and DC, and several states run expanded versions such as CalFresh in California. Check your SNAP amount alongside your voucher estimate.
Related free tools: CheckMyBenefits (benefits eligibility)
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Printable checklists for your voucher briefing, your unit inspection and move-in day, plus a contact sheet. Get the free Section 8 Move-In Pack (English and Spanish).