Free Landlord Tools

Quick calculators for everyday landlording. No signup, no email required.

Rent Increase Laws by State

How much notice you owe before raising the rent, state by state — and which column is a real rent-increase statute versus the month-to-month notice rule most sites quietly mislabel as one. Four jurisdictions cap the amount; the rest don't.

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Late Fee Laws in All 51 US Jurisdictions

What each state actually lets you charge for late rent, and how many days you have to wait first — every figure read in the statute and linked to it, with the four states whose famous "$20 or 20%" rule is really a self-storage law called out. Searchable, sortable, CSV and JSON.

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What an Eviction Actually Costs — All 50 States

Court filing, service, and writ of possession fees for every state and DC, each one cited to an official court fee schedule or statute — plus a calculator that adds your lost rent and vacancy so you see the real number, not just the court's invoice.

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Does It Cash Flow? — Rental Property Calculator

Analyzing a deal? Enter price, financing, rent, and expenses — instantly see monthly cash flow, cap rate, cash-on-cash return, and the 1% rule.

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Early Mortgage Payoff Calculator

See what extra monthly payments do to your payoff date and total interest — and why payoff order matters when you own multiple rentals.

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Prorated Rent Calculator

Mid-month move-in or move-out? Get the exact prorated amount using actual-days, 30-day, or annual daily-rate methods — math shown.

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Late Fee Calculator

Model flat, percentage, and per-day late fees with a grace period and an optional cap — see exactly what a late tenant owes.

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More free resources: ask other landlords in the forum · security deposit rules by state · eviction guides by state · landlord software comparisons.

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