Wellington City Council estimates a vote recount following the capital's cliffhanger mayoral election result would cost about $100,000.
It comes after results put Andy Foster just 62 votes ahead of Justin Lester to claim the city's top job.
Lester is yet to say whether he will call for a recount and will make a decision by Friday.
But he previously told the Herald it was "humbling to see the level of support from voters and those taking the time to make a last-minute special vote".
"I've still lost the election but it's looking likely there will be a recount, so it will be good to get some certainty.