Property management calculators — free, no signup.
State-specific math + a generic bilingual lease template. Built because nobody should pay $99/mo just to compute a legal late fee.
Rent affordability calculator
Compute the maximum rent you can comfortably afford using the 30% rule + the 3× landlord-screening rule. Side-by-side with realistic ceiling.
Late fee calculator by state
Statutory cap, grace period and the maximum fee at your rent where the statute sets one. 50 states + DC, each figure linked to the statute it comes from.
Security deposit calculator
Maximum legal deposit, return deadline and interest rule, computed against your rent. 50 states + DC, each figure linked to the statute it comes from.
Bilingual lease template (EN / ES)
Generate a clean residential lease in English or US-Hispanic Spanish. Print-friendly, no signup. For state-aware clauses + e-signature, use the full product.
Get a free rental audit
The calculators answer one question each. The audit shows where your whole portfolio is leaking money — emailed to you, no signup.
- Your report is emailed in minutes.
- Competitor prices are sourced and dated.
- No call unless you ask for one.
The calculators are the surface. The product is the rest.
Proprietio handles the entire lifecycle: lease drafting + e-signature, rent collection (Stripe / Zelle / Venmo / ACH), maintenance triage, double-entry accounting, owner statements, tenant portal. Built by an active operator, flat-priced from $29/mo up to 1,000 units.