The answer can depend on the full agreement, the type of fee, whether a contract provision authorizes a change, when the fee started, whether the tenant agreed to an amendment, and state or local law. Start by making those facts visible.
Nine checks for a fee added after signing
Name the exact fee
Write down the exact ledger label, amount, frequency and first billing date. A technology fee, pet rent, trash fee, administration fee and utility-billing fee can require different documents.
Read the full contract package
Review the executed lease, fee schedule, addenda, resident handbook language incorporated by reference and any renewal or amendment. Do not stop at the base-rent paragraph.
Find the original disclosure
Save the quote, application page, pricing sheet and pre-lease emails showing which charges were described before signing. Compare those records with the executed agreement.
Separate current term from renewal
A charge introduced in a renewal or new agreement is a different contract-timing question from a charge first posted during an existing fixed term.
Preserve the change notice
Keep the first portal notice, email, policy update or statement announcing the fee, including the effective date and any explanation of why it changed.
Check amendment or change language
Look for clauses describing amendments, service changes, community rules, pass-through charges, optional services or other mechanisms the landlord says authorize the new amount.
Confirm mandatory status and frequency
Determine whether the fee is mandatory, optional or event-based and whether it is one-time, monthly, annual or per-use. These facts matter for both disclosure and cost review.
Check the state and local layer
Lease modification, rent/fee disclosure, notice and consumer-protection rules can differ by jurisdiction. Do not apply a one-size-fits-all national answer.
Ask for the contractual basis in writing
Request the exact lease/addendum clause, effective date, amount, frequency, service or trigger, and any signed amendment or notice the property relies on.
1. Capture the first statement with the new fee
Save the resident ledger or bill showing the exact line-item name, amount and posting date. Then check the prior statement. This creates a clean before-and-after record and prevents a later disagreement about when the charge actually began.
2. Read the complete signed package
Search the lease, addenda, fee schedule and incorporated rules for the exact label plus broader terms such as technology, community services, trash, package, pet, parking, administration, utilities, billing, insurance, resident services and amendments. A charge may be described under a different name, but the property should still be able to explain the connection.
3. Compare pre-lease pricing with the executed agreement
Keep the apartment listing, quote, fee sheet, application disclosures and emails from before signing. Those documents help reconstruct what price and mandatory services were presented before the tenancy began. They should be compared with—not substituted for—the final signed contract.
4. Mid-term change and renewal are different events
A fee first billed while an existing fixed-term lease is still running should be reviewed as a current-term change. A fee shown in a renewal offer or new lease belongs to the next contract period. Preserve the dates so the two situations are not blended together.
5. Ask what document supposedly authorizes the change
If management points to a “community policy,” ask whether it is relying on a signed amendment, a specific lease clause, an incorporated rule-change provision, a service election or another contract mechanism. Request the exact text and effective date rather than debating a broad policy label.
6. Separate disclosure from the fee amount
Even after identifying the claimed contract basis, separately check whether the billed amount and frequency match what the property says applies. A $25 monthly fee, $25 one-time fee and $25 per-use fee are not the same economic or factual claim.
7. Federal rental-fee scrutiny is real—but the 2026 FTC proceeding is not a final rule
In March 2026, the Federal Trade Commission opened an Advance Notice of Proposed Rulemaking on potentially unfair or deceptive rental-housing fee practices. The notice asks about total rent, mandatory fees, the nature and purpose of charges, amount, refundability, optionality, recurrence, billing issues and express informed consent across the lease lifecycle. It is a rulemaking inquiry, not a final nationwide rule deciding whether a particular mid-lease fee is enforceable.
Official March 2026 Federal Register notice and rulemaking materials.FTC Rulemaking Announcement ↗
FTC summary of the fee, disclosure, billing and consumer-choice questions under review.
8. Enforcement examples show why disclosure records matter
FTC enforcement involving Invitation Homes and Greystar has addressed specific allegations and orders concerning undisclosed or excluded mandatory rental fees. Those matters show why advertisements, fee disclosures and lease documents should be preserved, but they do not create a universal rule that every fee added during every lease has the same legal result.
Official case page and settlement timeline.FTC / Colorado v. Greystar ↗
Official case materials concerning advertised rent and mandatory fees.
9. Turn the dispute into a precise records request
Instead of “this fee is illegal,” ask: “Please identify the executed lease/addendum provision or amendment authorizing the $___ fee first posted on ___, state whether it is mandatory or optional, identify its billing frequency and service or trigger, and provide the notice or signed document establishing the effective date.” A precise question exposes the missing layer without assuming the legal conclusion.
Frequently asked questions
Can a landlord add a new fee during a lease?
There is no single nationwide yes-or-no answer for every fee. Review the signed lease and addenda, any change or amendment language, the timing of the new charge, the landlord notice, and the property-state and local rules. A mid-term fee should be analyzed separately from a fee introduced at renewal.
What if the fee is not listed in my lease?
Search the entire contract package, including addenda, fee schedules and incorporated documents. If you still cannot find a matching provision, preserve that fact and ask the landlord to identify the exact contractual basis for the charge. The legal effect of a missing clause depends on the fee and jurisdiction.
What if management says it is a new community policy?
Save the policy notice and compare it with the executed lease. A policy announcement, lease amendment and renewal agreement are different documents. Check whether the existing contract gives the landlord authority to make the particular change and whether state or local rules add notice or consent requirements.
What if the new fee is mandatory for everyone?
Mandatory status is an important disclosure fact but does not by itself answer whether the fee can be imposed in the current tenancy. Identify when the requirement began, what service or obligation it covers, how often it is charged and which contract provision the property relies on.
Does the FTC have a nationwide rule banning rental fees not in the lease?
As of September 2026, the FTC has opened an Advance Notice of Proposed Rulemaking about unfair or deceptive rental-housing fee practices. That proceeding asks about mandatory fees, disclosure, consent, billing and other issues, but it is not a final nationwide rental-fee rule that resolves every landlord-tenant contract dispute.
What should I send the landlord?
A useful written request identifies the exact fee and first billing date, quotes the lease language you found, and asks for the clause, amendment, notice, service description, amount, frequency and calculation the property says support the charge.
A fee dispute is easier to review when the contract question, billing timeline and evidence file are separated instead of treating the entire balance as one issue.