Mortar: Real Estate Deal Analyzer 作者： Haaris Africawala

Mortar is a real estate deal analyzer. Open any listing on Zillow, Redfin, Realtor.com, or Homes.com and Mortar reads the numbers off the page (price, taxes, rent estimates) and shows you whether the deal actually works.

It computes the numbers investors care about: cap rate, cash-on-cash return, monthly cash flow, and a plain BUY / INVESTIGATE / PASS verdict. Every figure shows its math, using localized property-tax and insurance rates so the result reflects the state the property is in, not a national average.

The free trial gives you three analyses, no account needed. You can adjust the assumptions behind every calculation (down payment, interest rate, loan term) and watch the verdict update live.

Note: on Firefox, Mortar currently runs as the free anonymous trial. Account features like saved deals, history, and higher limits are available on Chrome and Edge while full Firefox account support is in progress. The core analysis works the same on all browsers.