Your park's billing evening, done in one sitting.
Meter reads in, printed bills, receipts and notices out. These are the jobs a park owner works through by hand at the kitchen table once a month, and every one of them here is free. No signup, nothing to install, and they run on a phone.
Water submeter calculator
Two meter reads and your utility's rate in, a tenant's at-cost water bill out. The no-markup math, done right.
Free toolWater billing run (reads → invoices)
Paste or upload the whole park's submeter reads, set your rates once, and get an itemized bill for every lot — print, PDF, CSV, or copy-ready texts.
Free toolLot rent increase calculator (2026 caps)
The most you can legally raise lot rent this year — Oregon and Washington caps applied to your park size and rent.
Free toolRent-increase notice generator
A clean, printable rent-increase notice with the effective date and notice period filled in. PDF download included.
Free toolLate rent notice generator
A past-due notice for one lot, with the rent and late fees itemized so the total can be checked. Print it or download the PDF.
Free toolRent payment plan agreement
Back rent, the monthly rent, and a catch-up amount in — how many months it takes to clear and a signable agreement out.
Free toolUtility bill-back notice
What trash, water, or sewer really costs per space per month, plus the notice that moves it out of the rent and drops the rent to match.
Free toolRent receipt generator
A printable receipt for a cash, check, or money-order rent payment — two copies to a sheet, one for the resident and one for your file.
Free toolRUBS calculator (master-meter split)
Split one master-meter water bill across your lots so the pennies add up exactly, with a park share held back.
Free toolProrated rent calculator
Mid-month move-in? Get the exact partial-month rent, by actual days in the month or a flat 30-day month.
Free toolPark value & profitability estimator
Lots, lot rent, and a cap rate in — annual NOI and what the park is worth out. The math buyers and lenders actually use.
State rent-cap references
Two states cap mobile-home lot rent outright, and each gets its own dated, sourced page — the statute, who publishes the number and when, the recent history, and the notice deadline for a January 1 increase.
- Oregon's maximum rent increase for 2027 — the 6% park cap, the 7%+CPI formula, and the September 30 publication deadline.
- Washington's rent increase cap for mobile home lots (HB 1217) — the flat 5%, and why the state's July figure isn't your number.
The numbers behind the market
The Lot Rent Index — every registered park in 13 states, by county, beside HUD's fair market rent for the same county, plus how many parks run their own water system and how many sit in a flood zone. Sourced, dated, and free to quote.