
The 100-day mark is artificial. No mayor solves a city's problems in three months. But it reveals priorities, pace, and whether campaign rhetoric is becoming governing reality. Here's where Mamdani actually stands.
Here's the full breakdown →
The Wins Are Real:
Crime is at historic lows. Q1 2026 saw 54 murders — the fewest first-quarter murders on record in New York City. Major crime is down 5.3%. Mamdani and NYPD Commissioner Jessica Tisch announced the numbers jointly at One Police Plaza on April 2.
100,000 potholes filled — a decade record. Universal childcare is moving with 2,000 new daycare seats being added, starting in lower-income neighborhoods. The administration secured $9.3 million in worker restitution. A 48% approval rating (Marist) is healthy for a mayor who inherited a fiscal crisis.
The Fiscal Math Is Brutal:
The Comptroller pegs the FY2027 budget gap at $10.4 billion — far larger than the mayor's own $7.3 billion estimate. All four credit agencies have issued negative outlooks.
The mayor's preferred solution — a progressive income tax on earners over $1 million — requires Albany's approval, and Albany can't pass its own budget. The state is now on its 3rd extender since missing the April 1 deadline. The fallback is a 9.5% property tax hike that Council Speaker Adrienne Adams has flatly rejected.
Meanwhile, new spending commitments keep landing. $70 million for five city-run grocery stores. $125-155 million for Fair Fares expansion. Each is defensible. Together, they add pressure to a budget that's already short $10.4 billion.

The Promises Gap Is Widening:
Of 60 tracked promises, only 3 have been fully kept — a 5% fulfillment rate. Twenty-three are in progress, but 22 haven't started at all. Six are either broken or reversed outright: the encampment sweeps pledge, the NYPD gang database promise, the mayoral control of schools reversal, and the fare-free buses promise, now officially stalled.
"In progress" is doing a lot of work in that count. It includes everything from announced plans (the grocery stores) to active implementation (universal childcare). The gap between "announced at a rally" and "operating" is where the next 100 days will be decided.
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The Controversies Are Mounting:
Eighteen active controversies in 100 days. The DOI commissioner nomination — a campaign donor who canvassed for Mamdani now poised to investigate the administration that hired her. The Probation whistleblower scandal, with the DOI now investigating Commissioner Goodwin's alleged relationship with her general counsel. The Hasan Piker dinner followed by Passover Seder heckling. The CityFHEPS voucher betrayal. The First Lady deleted social media. The Gracie Mansion bombing and its politicized aftermath.
For an administration that promised transparency and a break from the Adams era's chaos, the list is growing faster than the goodwill.
The Question Going Into Month 4:
Can Mamdani close a $10.4 billion budget gap without raising property taxes, while expanding social programs, while Albany refuses to act, while his own party's speaker is publicly fighting him on the budget, while DOI investigates his own appointee?
That's not a rhetorical question. We'll be tracking the answer.
Takeaways:
The Headline 48% approval, historic low crime, 100K potholes filled. By most rally-friendly metrics, Mamdani's first 100 days are a win.
The Hidden Number: Only 5% of tracked promises were fully kept. 22 of 60 haven't even started. 6 are broken or reversed outright.
The Fiscal Problem $10.4B gap per the Comptroller. Four credit agencies on negative outlook. Albany paralyzed. Council rejecting the fallback tax hike.
The Controversy Curve 18 active controversies in 100 days — faster than any modern NYC administration. DOI is investigating the mayor's own appointee.
The Question: Can you build the first democratic socialist administration in NYC history on a budget you can't pay for? Next 100 days, answer it.
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Go Deeper Four reads to take you further
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Every promise, budget line, and controversy is tracked live at ReviewMamdani.com.

