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California ADU Equity Growth Calculator

Evaluate your property's long-term equity growth and discover the financial advantages of building an ADU. Input the property's current market value and choose an annual growth rate to compare equity projections for 5, 10, 20, and 30 years with and without an ADU.

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In California, adding an ADU can instantly increase a property's value by 20% to 35%. This calculator takes a conservative approach and estimates a 25% gain in equity upon the dwelling unit's construction.

Equity Growth Analysis

After 5 Years

Without ADU

$795,389

With ADU

$994,236

Difference

$198,847

After 10 Years

Without ADU

$1,054,406

With ADU

$1,318,008

Difference

$263,602

After 20 Years

Without ADU

$1,852,954

With ADU

$2,316,192

Difference

$463,238

After 30 Years

Without ADU

$3,256,277

With ADU

$4,070,346

Difference

$814,069

This calculator provides estimates for informational purposes only. Property values and growth rates may vary significantly based on location, market conditions, and other factors. Always consult with real estate professionals before making investment decisions.

You can embed and use this calculator on your own website:

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