Individual landlords and small real estate investors in the United States with one to ten rental units, sizing up a property before making an offer.
Como funciona
- Label the property, for example "412 Oak St duplex".
- Enter the purchase price and the expected monthly rent.
- Fill in the loan, the month it is placed in service, and the land share of the price.
- Adjust vacancy, maintenance, management and reserve, then read the cash flow against the taxable income.
O que você ganha
- Shows a landlord the real first-year cash flow and taxable income side by side, with the exact MACRS depreciation figure applied — the number that most spreadsheets get wrong in the first year.
Captura de tela

Detalhes técnicos
Como configurar e usar
- Compre a licenca — sua chave (lic_...) aparece na pagina do pedido e no seu e-mail.
- Entre em app.synoriaai.com com sua chave de licenca.
- Sem instalacao — o produto roda no navegador, na sua instancia isolada.
- Enter a label for the property (e.g., '412 Oak St duplex') so you can save and update it later.
- Fill in the purchase price, monthly rent, closing costs, property tax, insurance, and the month the property was placed in service.
- Click 'Calculate' to see your first-year cash flow, taxable income, and the reconciliation line showing how they differ.
- Review the printed depreciation rate and the breakdown of interest vs. principal to understand the numbers.
- Save the result by label; re-running the same label updates it instead of creating a duplicate.
Perguntas frequentes
Does this tool tell me if my paper loss is usable on my tax return?
No. It shows a first-year paper loss as a paper loss and notes that passive activity rules decide whether it is usable, but it does not determine your eligibility.
How is depreciation calculated?
Only the building is depreciated, using the mid-month convention and the published MACRS residential rate. The land share of the price and capitalized closing costs are allocated proportionally, and the rate used is printed for transparency.
Is my data saved or shared?
Properties are saved locally by label on your device for convenience. No data is transmitted or stored on our servers.
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