CityBldr, launched by Seattle startup Everyhome, works to assess the best use for every property in King County.

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Bryan Copley knows the best use for every parcel of land in King County. And he wants to use that knowledge to help Seattle grow in a smart, measured way.

Copley, CEO of Seattle startup Everyhome, announced his company launched a new service known as CityBldr, which uses artificial-intelligence technology to assess the present and future potential value of a property to find what its most valuable use could be.

CityBldr gets data from assessors’ and recorders’ offices, as well as more than a dozen other sources. The system takes into account zoning regulations when it runs its assessment. It then gives each property a ranking based on factors such as size, proximity to public transit and topography, indicating its redevelopment potential.

The company gathered data on 742,000 properties in King County and found that 221,000 would be better if they were developed or used in some other way.

Copley cites the examples of underused parking lots changing into schools, or fields made into affordable-housing units. He knows this is an optimistic view, but having being raised in Seattle, he says he is taking pains to make sure the technology is helping the city develop.

“I see the proclivity for Seattle to become San Francisco, and that hurts,” Copley said. Seattle is booming, and it should be done in a smart way, he said.

The company meets with housing associations, renters in the county and other groups and asks how they can improve the system to make sure properties are being developed in ways that will help the city with its population and economic growth.

CityBldr sells its data to developers, builders and investors that use manual methods to determine if each property is worth developing.

Eventually, the startup wants to work with local governments as well.

“We very much look forward to working with city governments to optimize the potential of the city,” he said.

CityBldr is operating in Seattle only, but it plans to start selling data in San Francisco next month.