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How to raise rent on a rental property: how much, how much notice, and what to put in the letter

By Spruce Sheets · Updated November 14, 2026 · 5 min read

Raising rent is part of running a rental, but it is easy to do badly: too large an increase, too little notice, or a letter that does not match the lease. This guide covers how to think about the amount, the notice and legal limits you have to check first, a worked example, and a simple outline for the letter. It is practical record-keeping and planning, not a legal form.

General information, not legal or financial advice. How much you may raise rent, when, and how much notice you must give are set by the lease and by state and local law, including rent-control and just-cause rules where they apply. Those rules differ widely and they change. Check the current law where the property is, or ask a local attorney, before you send an increase.

Check the lease and the law first

Before you pick a number, answer three questions:

1. Does the lease allow an increase now? A fixed-term lease generally locks the rent until the term ends, unless it has a specific increase clause. A month-to-month tenancy usually allows a change after proper notice.
2. Is the property covered by a rent cap or rent control? Some states and cities limit the amount or frequency of increases, or require registration or a specific form. California is one well-known example, but it is not the only one, and coverage has exceptions. Do not assume a "market" increase is legal until you have checked.
3. How much notice is required? Notice periods are often 30 days or more, and some places require longer notice for a larger increase. Giving more notice than the minimum is usually allowed; giving less can make the increase unenforceable.

If any of those answers is unclear, stop and look up the current rule, or get advice, before you write the letter. An increase that violates a cap or a notice rule can cause more trouble than leaving the rent unchanged for a few more weeks.

How to think about the amount

There is no universal "right" percentage. A useful process is:

• Look at comparable rents for similar units that actually leased recently in the same area, not the highest asking price you can find.
• Look at your own costs. Taxes, insurance and repairs go up, and the unit has to keep covering them. That is a reason to review rent, not a blank cheque to pass through every cost.
• Look at turnover risk. A large increase that pushes a good tenant out can cost more than the raise, once you count vacancy, cleaning, listing and the chance the next tenant pays late or not at all.
• Apply the same policy consistently. Selective increases that treat similar tenants differently can raise Fair Housing issues. Use a written approach and stick to it.

A modest, regular review at renewal is usually easier to explain than a long freeze followed by a jump.

A worked example

A made-up unit has rent of $1,650.00 a month. Here is what a few increases would mean, before any local cap:

Increase	New monthly rent	Extra rent per year
3% ($49.50)	$1,699.50	$594.00
4% ($66.00)	$1,716.00	$792.00
5% ($82.50)	$1,732.50	$990.00
8% ($132.00)	$1,782.00	$1,584.00
Flat $75	$1,725.00	$900.00

If comparable units lease around $1,725 and your costs have risen, a 4% or $75 increase may be easy to justify. An 8% increase to $1,782.00 is $1,584.00 more per year — but only if the tenant stays. One empty month at the new rent would wipe out most of a 3% annual gain, and a 60-day vacancy would more than cancel the 5% raise.

That is why the comparable-rent check and the turnover risk belong in the same conversation as the percentage.

What to put in the letter

Keep it short and factual. A clear letter usually includes:

• The date you send it.
• The tenant's name and the property address.
• The current rent and the new rent, in dollars, not only as a percentage.
• The date the new rent starts, which must respect the notice period.
• How and where to pay, if that has not changed.
• A sentence that the rest of the lease stays in effect.
• Your name and a way to reach you with questions.

You do not need to argue with the tenant in the letter. If you want to mention rising insurance or taxes, one calm sentence is enough. Do not threaten eviction in an increase letter; notice to vacate and a rent change are different documents, and mixing them is a good way to create a dispute.

Send the letter in the way the lease and local law require (often in writing, sometimes by a particular method), and keep a copy with the date of service. Then update the rent ledger so the new amount is what you charge from the effective date, not a quiet handwritten change.

After the increase

• Charge the old rent until the effective date. Prorating is only needed if the change falls mid-cycle and the lease or law says to split the month.
• Do not add a late fee based on the new rent until that rent is actually due.
• If the tenant does not agree and the tenancy is month-to-month, local law will say whether they can stay at the old rent, must leave, or can contest the amount. Do not assume silence is acceptance in a jurisdiction that requires something more.

Common mistakes

• Raising rent mid-lease with no clause that allows it.
• Ignoring a local cap or notice rule.
• Announcing a percentage without stating the new dollar amount.
• Giving a short informal text message and no dated copy.
• Using an increase to push out a tenant who has complained about repairs or exercised a legal right. Retaliatory increases are restricted in many states.

The Rent Ledger & Late Rent Tracker keeps the old and new rent as ordinary charges on the tenant's ledger, so the running balance follows the date the increase starts.

The figures are a made-up example. This guide is not legal advice. Confirm notice periods, caps and required wording where the property is.

Frequently asked questions

How much can a landlord raise rent?

It depends on the lease and on the law where the property is. Some cities and states cap the amount or the frequency of increases, or require a set amount of notice. Where there is no cap, the limit is usually what the lease allows and what a new tenant would actually pay. Check the current rules before you send a letter.

When can I raise the rent?

Usually at the end of a fixed term, or as the lease allows for a month-to-month tenancy, and only after any required notice period. Mid-lease increases are generally not allowed unless the lease clearly says so. Rent control, if it applies, can add further limits.

What should a rent-increase letter include?

The date, the property and tenant names, the current rent, the new rent, the date the new rent starts, where and how to pay, and a sentence pointing back to the lease. Keep the tone factual. Give the notice your local law requires, or more.

Keep reading

• How to track rent payments: a simple system for small landlords
• How to prorate rent when a tenant moves in or out mid-month
• How to screen tenants for a rental property, with a Fair Housing note