DepositDeduct

Oregon Security Deposit Deduction Calculator

Estimate an itemized deduction worksheet while keeping Oregon's deposit return deadline, itemization requirement, cleaning notes, and interest notes visible beside the math.

Primary source
ORS 90.300
Security deposit deduction worksheet

Worksheet preset: Oregon security deposit rules

31 days after tenancy terminates and possession is delivered
Written accounting required for any amount retained.
Line 1
Remaining life
2.0 years
Value before wear
$720
Chargeable line
$720

Source: HUD Appendix 5D sample life expectancy chart. HUD examples list family-unit plush carpeting at five years; elderly-unit examples list seven years.

Estimated chargeable total
$720

Formula: chargeable = max(0, replacement_cost x remaining_life / useful_life) - wear_allowance, then multiplied by documented damage share.

Oregon rule snapshot

Return deadline31 days after tenancy terminates and possession is delivered
Itemization requirementWritten accounting required for any amount retained.
Cleaning fee noteCleaning deductions should be tied to actual cleaning beyond ordinary wear and lease/statutory requirements.
Interest noteNo general statewide interest requirement unless agreed or locally required.
Normal wear noteOrdinary wear and tear is not a tenant damage charge.

Calculator pages that pair with Oregon rules

Tenant use case
Compare a deduction statement against remaining-life math before writing a response.
Landlord use case
Prepare an itemized worksheet that separates ordinary wear from documented damage.
Important boundary
This page summarizes public rules and arithmetic. It is not legal advice.