Free Tools
Free Project Calculators
Eighteen free tools for the numbers that come up before you start — what a project costs, how long it takes, what it adds back, and whether it pencils out at all.
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ADU Cost Calculator
Estimate ADU construction costs by city, type, size, and finish level.
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Room Addition Estimator
Calculate room addition costs by room type, size, and finish level.
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ADU Rental Income
See estimated monthly rent, annual income, and payback period for your ADU.
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ADU Feasibility Checker
Check whether your lot can take an ADU before you spend anything on design.
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Payment Estimator
Turn a project budget into an estimated monthly payment across common financing terms.
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Sq Ft Calculator
Add up rooms or areas to get total square footage and an indicative build cost.
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License Lookup
Look up a California contractor license and check that it is active and in good standing.
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Home Value Calculator
Estimate how much a remodel or ADU is likely to add to your home value.
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Energy Savings
Estimate the energy savings from insulation, windows, HVAC and other upgrades.
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Title 24 Checker
See whether your project needs a Title 24 CF1R energy report, which form applies, and what it typically costs.
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SB-9 Lot Split Checker
See whether your lot looks like a candidate for an SB-9 urban lot split before you spend on a survey.
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Kitchen Cost Estimator
Estimate a Bay Area kitchen remodel cost range by size, quality tier, layout change, and scope of work.
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Bathroom Cost Estimator
Estimate Bay Area bathroom remodel costs by type, size, quality tier, and scope, with a full line-item breakdown.
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Garage Conversion Cost
Estimate what it costs to turn a garage into living space, a JADU, or a full ADU based on size, scope, and finish level.
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Hardscape Cost Estimator
Estimate patio, retaining wall, and full backyard costs by area, paving material, site conditions, and the features you want.
Try It Free →Every result is a planning estimate, not a quote. Real pricing depends on your site, scope, finishes and current permit fees. We give a firm number after a free consultation and site visit.