Sixteen free planning tools built around the numbers homeowners actually ask us about — foundation cost, concrete volume, retrofit budgets, permit fees, and project timelines.
Every calculator uses Bay Area cost data and runs entirely in your browser — nothing is submitted and no email is required.
Estimate a slab, raised, pier-and-beam, or basement foundation by square footage and site conditions.
Open Tool →Price the foundation for a detached, attached, or garage-conversion ADU at typical Bay Area rates.
Open Tool →Ballpark the cost of piering, leveling, crack repair, or drainage work based on severity and scope.
Open Tool →Estimate a cripple-wall brace-and-bolt or soft-story retrofit, including possible CRMP rebates.
Open Tool →Compare broom finish, exposed aggregate, and stamped concrete for driveways, patios, and walkways.
Open Tool →Estimate rough framing for a new home, ADU, or addition by square footage and number of stories.
Open Tool →Convert slab, footing, or column dimensions into cubic yards, including a waste allowance.
Open Tool →Work out bar count, total linear feet, and tie quantity for a reinforcing grid at any spacing.
Open Tool →Size a continuous or spread footing from wall load and soil bearing capacity.
Open Tool →Add up multiple rooms or slab sections and get total area plus a build-cost range.
Open Tool →Estimate cut volume, soil swell, and how many truck loads leave the site.
Open Tool →Calculate base rock tonnage and depth for a slab, driveway, or flatwork sub-base.
Open Tool →See a realistic week-by-week schedule from permit application through final inspection.
Open Tool →Estimate plan check and permit fees by city and valuation across Santa Clara and neighboring counties.
Open Tool →Answer a few questions about a crack and get a plain-English read on urgency.
Open Tool →Turn a project budget into an estimated monthly payment across common financing terms.
Open Tool →These tools are built to get you into the right ballpark early — before drawings, before bids, when you are still deciding whether a project pencils out. They use typical Bay Area ranges for labor, materials, and permitting.
Tell us what you're building — a new home, an ADU, an addition — and we'll get back to you with next steps, usually within one business day.
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