The Boston Police Patrolmen’s Union is raising the alarm about Suffolk District Attorney candidate Rachael Rollins’ “decline to prosecute” list — while the county’s top police officials say they want to talk to her about it.

Rollins, who beat four candidates in the Democratic primary for DA, lists 15 criminal offenses on her campaign website that she says she won’t prosecute if elected — including resisting arrest, drug dealing, larceny under $250 and trespassing.

Appearing Wednesday on Fox’s “Tucker Carlson Tonight,” Rollins said, “I believe that we are spending too much time on petty crimes that are clogging up our system and costing us more money.”

BPPU President Michael Leary said he’s “very concerned” about Rollins’ list, saying he thinks Boston’s crime rate will increase.

“I think that the quality of life is going to go down because she’s not going to prosecute these people and they are going to keep doing it,” he said.

“I hope that she would rethink her thought process on prosecuting these crimes,” Leary said. “If she’s not going to prosecute it, it’s going to make our job harder.

“If you’re doing crime, you have to be held accountable for the crimes you do,” Leary said. “If you’re out there doing bad things then unfortunately jail is the answer. That’s what jail is for, for people who break the law.”

Boston police Commissioner William G. Gross and Chelsea police Chief Brian Kyes said they want to speak with Rollins about the nonprosecute list before commenting on it. Emerging as a tough law-and-order commissioner, Gross has already sounded off about judges who free repeat offenders on ankle bracelets, allowing some to re-offend.

Kyes did say yesterday he is worried about the potential effect on victims of crime if crimes are not prosecuted. “Their voices need to be heard as well,” he said.

William Fitzpatrick, president of the National District Attorney’s Association, said, “I don’t think she’s properly taking into account the cost that criminals inflict on society even for minor crimes. Ignoring minor crimes leads to an increase in violent crimes.”

In a statement, Rollins told the Herald: “Estimates show that it costs roughly $50,000 per year to house an inmate in the Suffolk County House of Correction. The starting salary of an (assistant district attorney) is approximately $45,000 per year. Many of the cases that cycle through the district courts in Suffolk County are active for at least 6 to 12 months prior to any disposition. This is a costly financial proposition for the taxpayers of Massachusetts. Money is diverted from services to sentences.

“More important, there is a cost to society. The consequences of a criminal record are far more significant than many people realize. When someone spends even a single night in jail pre-trial they can lose their job — leading to a spiral of unintended consequences. If someone does end up with a CORI for a bad choice, it makes it significantly harder for them to obtain jobs or secure housing — often resulting in a downward spiral — everyone loses.

“If we are talking about petty theft, our first priority will always be to make sure the victim is made whole and receives restitution as quickly as possible for their lost goods or services. With respect to the individual accused of the offense, I propose considering tailored solutions — including restorative justice practices — that best serve everyone and truly make our communities safer.”

Mayor Martin J. Walsh told the Herald he isn’t concerned by Rollins’ decriminalization proposals, but said he “wants to make sure bad people aren’t doing bad things.”

“We’ll wait and see when she gets in there and see what she wants to do as a DA,” Walsh told the Herald yesterday. “I think that’s some of the stuff we’ll find out. I know what she said on the campaign trail, I think there’s going to be some of those concerns that people might have, I don’t want to make a deal out of them right now.”

Current Suffolk DA Dan Conley declined to comment.

Rollins will face Independent challenger Mike Maloney, a defense attorney, in November’s general election.

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— Brian Dowling contributed to this report