Free Real Estate & Appraisal Tools

Add rooms by length × width and get a running total instantly. Supports feet and inches. Useful for quick GLA estimates before measuring.

Select a space type (basement, attic, garage, sunroom, etc.) and get an instant ANSI Z765 ruling — counts as GLA, excluded, or depends on conditions.

Enter subject GLA, comp GLA, and your dollar-per-sqft adjustment rate. Outputs the exact dollar adjustment with the math shown.

Two modes: find the $/sqft of a property, or find a home's value from its size and local rate. Includes U.S. benchmark data by region.

Calculate lot coverage percentage and remaining impervious allowance. Enter house footprint, driveway, patio, and other hard surfaces to check against your zoning limit.

Estimate a property's effective age based on UAD condition rating (C1-C6) and major updates completed in the last 15 years. Outputs effective age, remaining economic life, and depreciation %.

Calculate remaining economic life and physical depreciation for cost approach appraisals. Enter effective age, total economic life, and optional replacement cost new.

Estimate dollar adjustments for condition (C1-C6) and quality (Q1-Q6) differences between the subject property and comparable sales, calibrated to your value range.

Add rooms by name, length, width, and floor level to calculate GLA per ANSI Z765-2021 standards. Below-grade areas shown separately and excluded from GLA.

Isolate the market value of a single feature by comparing two matched sales. Adjusts for GLA differences and shows a full step-by-step calculation.

Estimate property value using site value plus depreciated cost of improvements. Calculates physical depreciation, functional and external obsolescence, and indicated value.

Calculate monthly absorption rate and months of supply from sales volume and active listings. Shows market condition label from strong seller's market to strong buyer's market.

Estimate property value via direct capitalization. Enter monthly rent, vacancy, operating expenses, and cap rate to get NOI, indicated value, and GRM.

Two modes: find property value from rent and GRM, or calculate GRM from price and rent. Includes market context for interpreting the result.