Sure, Bostonians may be concerned about affordable housing, but is Boston willing to pay an extra 1 percent on their property tax bills?

At least two city councilors believe so.

Councilors Michael Flaherty, at-large, and Andrea Campbell, representing an area that includes Dorchester, Mattapan, Roslindale and Jamaica Plain, on Wednesday filed a measure that could put that question to voters in the city in November.

Boston City Councilors Andrea Campbell and Michael Flaherty are sponsors of a measure that would earmark a tax surcharge for city residents for affordable housing, historic preservation and public space.

Boston City Councilors Andrea Campbell and Michael Flaherty are sponsors of a measure that would earmark a tax surcharge for city residents for affordable housing, historic preservation and public space.

Metro File

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Their move is set to rekindle debate on whether adopting the Community Preservation Act is right for the city. The CPA earmarks the extra cash collected for affordable housing, as well as green space, historic preservation.

Cambpell told Metro the average extra fee per year at $23 per one-family home – those costs could be passed down from landlords to renters.

The CPA allows cities and towns to add exemptions, for example excluding the first $100,000 in a home’s value from the surcharge and excluding seniors and low-income residents.

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“We are now at a time when the city is seeking creative tools and additional sources of revenue to address the housing crisis,” Campbell told Metro.

The CPA proposal has been sent to committee, she said.

The council plans to schedule a hearing on the topic in the coming months, and Campbell said there were plans to launch an information campaign soon.

Joe Krieberg of the Massachusetts Association of Community Development Corporations said there is broad support for the move among groups whose mission falls in the CPA's categories.

"It's a very progressive and very small surcharge on taxes and what you get in exchange is a tremendous amount of benefits for the city of Boston," he said.

Krieberg estimates the program would bring $13 million from the surcharge, $4 million in matching funds from the state and millions more if the city decides to also invest tax dollars into it.

Boston pursued the CPA before. In 2001, voters turned down a proposal that would have added a 2 percent surcharge.

Many real estate groups and tax hike opponents oppose the measure.

Mayor Marty Walsh hasn’t taken a position on it.

Again this year, it’s slated to be a months-long campaign. It would need city council approval before appearing on the ballot.

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The CPA, a state program that got its start in 2000, lets cities and towns match their surcharge collections with funds from the state. That pool of money varies year-over-year.

The match also varies place-to-place – from as little as 30 percent in some communities to 100 percent in others based on a complicated formula.

Stuart Saginor, executive director of the Community Preservation Coalition, said the CPA, which has been adopted by 160 communities in the state, is gaining traction. There are three towns that have already put the CPA question on their ballots this year, and about a dozen others – including Boston – are now considering it.

“We have never seen more interest in CPA than we’re seeing right now. It’s really unprecedented,” Saginor said.

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Tenant advocacy groups support the idea, saying the city needs additional units of affordable housing.

“This is a measure we’ve always thought should be passed in Boston and we want to see it passed now as a part of a package of legislation that can deal with the gentrification and displacement and housing affordability crisis that we’re seeing right now,” said Maria Christina Blanco of Boston-based City Life/Vida Urbana.

CLVU is also advocating for a so-called "just cause" eviction ordinance that would let renters go into mediation when landlords increase rent by large amounts.