Overview Latest update: 7/9/2026, 10:30 am The building at 235 E 42nd St, Manhattan, saw structural issues on Tuesday 7/7/2026. Since then, emergency repairs were performed. See social media posts in the appendix for more context. In this post, we collect relevant facts that make
Why do we even need projects? In NYC, new construction becomes visible through DOB filings and permits. So what even is a project? The true answer: There's no official definition for this. But we all have an intuition for it: A construction project happens on a single spot,
In housing, you'll get hit with lots of numbers: Filings, permits, completions. Each of these tell you something, but they don't give you a good understanding of what's happening on the ground. You want to know which projects are live and how they are
The passage of City of Yes (COY) in December 2024 dramatically changed zoning in NYC. This is the first in a series of posts to understand how this will affect the city. Last updated: March 22, 2026, with 4 filings and 800 units. As part of City of Yes, we
At CityTracker.ai, we love maps, and we create lots of them. We summarize tax lots, filings, permits, sales. Basically, everything we can get our hands on. Attribution: Maps using OpenStreetMap + Leaflet On social media, a common question is: "How do you create these maps"? And the real
Total count: 13 Last updated: 12/26. (*) Data: Filings for new buildings since June 2025 With the City of Yes, NYC legalized ancillary dwelling units (ADU, in other cities usually called accessory dwelling units). And while the rollout has been messy, it looks like we're finally seeing action:
There's lots of chatter around a single new filing in Staten Island, see initial news and organized protest, including a Mayoral candidate. What's happening at 65 Uncas Avenue? A developer asked (see filing 520471891) for a lot split, taking the zoning lot from one to five
On December 5, 2024, the NYC city council passed the City of Yes (COY) rezoning plan, the largest zoning change in many decades, which aims to create 80,000 new units over the next decade. This rezoning changed so much that many ideas got completely lost in the press coverage.
City Tracker is an API-first company. In this post, we cover key technical features of our API. Endpoints in production (status 10/29/2025): * tax_lots * permits In progress: * filings * companies These API endpoints are as consistent as possible: Each of them returns a list of results satisfying filter
Our goal is to help you find good jobs that are about to come up. Essentially, this is a problem of prediction. And to do that well, we must first understand how the process works, especially for new construction. Here, we provide a non-technical overview of our approach, with
As part of our series to predict permitting, we zoom in on new construction. A crucial part of predicting is to understand the DOB permitting process: It starts with a filing. If approved, a single filing allows pulling possibly many permits, each with their own issuance and expiration date. For
We know where new residential development is happening. But it turns out that this, usually, isn't what you want to know. What you really need is to know where new development will happen. Otherwise, you're just chasing the past. At CityTracker, we've developed a