Owners of some of New York City’s ritziest apartments have their heads so high in the clouds, they ignore their tax bills — year after year.

For one, there’s the very benevolent Dato’ Sri Prof. Dr. Tahir, chairman of the Mayapada Group, one of the richest people in Indonesia. But since he bought a 46th-floor apartment at One57 for $7.9 million in 2014, he hasn’t paid taxes to New York City and now owes $63,600, city records show.

Maybe it’s a mere pittance to Tahir, as he’s known for short, yet his foundation brags, “Our vision is a better Indonesia where every individual has access to adequate healthcare and education that enhance their quality of life.”

It would be nice if he ponied up and helped the Big Apple’s poor.

One57’s builder, Gary Barnett, under the development entity, still owns a full-floor penthouse on the 87th floor — once listed for upward of $60 million. It was never sold but owes the city $268,269.

At Trump Tower, scofflaws include Yelena Yelagina, who had illegally listed her 30th-floor pad on Airbnb and owes $82,652. Dalimar Assets in 32A has an unpaid bill of $183,512. Richard Machado in 36E is holding back $104,633. Kiti International in 48B owes $206,997. Delano SA in 49J, whose lien was sold last year, neglected to pay more than $47,000 to the condo plus $101,721 to the city.

At the Plaza, Kondo Enterprises has had its tax lien sold several times and is about to have it sold again; it owes just over $15,700.

Smiling Moose, another Plaza condo owner, isn’t grinning as it owes $61,200 to the city. Its Greenwich, Conn., home is on the market for $15.2 million. Real Properties from Michigan will need to get real and pay up $41,052 in overdue taxes. On the 14th floor, HBB 1427 owes $19,715. Finally, 513 Central Park LLC is in default on previous repayment agreements and owes a total of $295,621. It also has a $10 million mortgage.

These owners are not alone in owing money to the city — 12,804 properties are collectively in debt for $484.67 million, which is actually down from last year’s 13,060 properties that owed $517.2 million.

The deadbeats’ bills include $331.7 million for property taxes, $53.7 million for emergency repairs (up by $10.4 million from 2017), another $92.4 million for water bills and $6.7 million for other charges.

That’s a lot of bucks that could be going for schools, roads and parks.

Brooklynites owe the most of the five boroughs, with 5,297 properties behind on paying $174.69 million — down from $248.25 million last year as the rising tide brought in new monied owners.

Most of this debt consists of property taxes — $108.2 million, down from $172.1 million last year. Brooklyn also has bragging rights to the most outstanding in emergency repairs — $21.46 million. It also carries water bills of $42.5 million.

The Class One’s homeowners of 7,735 properties owe $139.65 million. In Class Two, 2,448 apartment buildings need to fork over $190.9 million, while 2,861 in commercial Class Four owe $154.1 million.

At a total of $40.09 million, Class Two owes the most in just property charges, beating Class Four by $2 million. Class One is withholding the most in emergency repairs at $38.89 million, up from last year’s $28.89 million, and Class Two owes the most in water bills at $35.07 million, down from last year’s $54.83 million.

It’s time to pay up, enter into an agreement by May 17 or have your lien sold, accruing more interest.

Don’t say I didn’t warn you.