Building a Backyard Home (ADUs)

ADU Cash Flow Calculator

Calculate monthly profit by subtracting your loan payment, taxes, and insurance from rental income.

ADU Construction Cost Estimator

Calculate local build costs based on ADU type, square footage, permits, and design fees.

ADU Furnishing Budget Calculator

Estimate interior furnishing and design costs for your completed ADU.

ADU Loan Affordability Calculator

Compare HELOC, construction loan, and cash-out refinance options to fund your ADU.

ADU Loan Payoff Calculator

Track extra payments and see how fast you can pay off your ADU construction loan.

ADU Rental Income Estimator

Estimate market rent for your ADU based on unit size and bedroom count.

ADU ROI Calculator

Compare build cost against rental income and equity gain to see break-even years and 10-year return.

ADU Size Limit Calculator

Input your lot size to see the maximum allowable ADU square footage under California law.

ADU Square Footage Optimizer

Get a recommended square footage range based on your budget and construction type.

ADU vs. Addition Cost Comparison

Compare the cost per square foot of building an ADU versus a standard home addition.

ADU vs. Assisted Living Cost Comparison

Compare ADU build costs against private assisted living costs over five years.

Airbnb vs. Long-Term Rent Yield Comparison

Compare short-term Airbnb income against standard long-term lease revenue.

Cost Per Square Foot Calculator

Calculate the true cost per square foot using a nonlinear curve modeled for ADUs.

Equity/Value Increase Estimator

Project how much an ADU adds to your total property market value.

Home Equity Unlock Calculator

Determine how much equity you can pull from your property to fund an ADU build.

JADU Conversion Estimator

Calculate the cost to convert an existing bedroom into a Junior ADU (under 500 sq ft).

Multigenerational Savings Calculator

Calculate savings from housing a family member in an ADU versus paying for separate housing.

Owner-Occupancy Requirement Lookup

Check whether your city or county requires owner-occupancy for ADU approval.

Permit & Fee Estimator

Estimate total permit and impact fees for your ADU by California county.

Permit Timeline Predictor

Estimate months of holding costs based on city-specific ADU permit processing times.

Property Tax Impact Estimator

Estimate how much your property taxes increase after building an ADU.

Rent vs. Sell ADU Unit Calculator

Compare holding your ADU as a rental versus selling the property.

Sacramento Shelf-Ready ADU Eligibility Checker

Check if your Sacramento property qualifies for a pre-approved ADU plan.

Setback & Coverage Calculator

Check if your ADU footprint and setbacks comply with your lot dimensions.

Soft Cost vs. Hard Cost Breakdown Tool

See how your ADU budget splits between hard costs (labor, materials) and soft costs (permits, design).

Utility Connection Cost Estimator

Calculate the cost difference between a separate meter and a sub-meter for your ADU.