Chrome extensions for StreetEasy, compared
Seven Chrome extensions add NYC building records to StreetEasy listings. What each one shows, what it costs, and how to check the same records without one.
Updated 2026-10-21
We make Pigeon, one of the extensions below, so read this with that in mind. Everything said about the others comes from their own Chrome Web Store listings and websites on October 21, 2026, and links to them.
The short version
- Seven extensions add building data to StreetEasy listings. All are free to install, and all read public NYC records, most of them HPD’s violations and complaints.
- BrickReports and SafeNest NYC give one A–F building grade, Pigeon six scores out of ten, SnagFlat a row of badges. Beyond violations they differ in what they add: rent stabilization, sun, the landlord, tenant reviews or costs.
- Rent stabilization: SnagFlat, Pigeon and BrickReports. Sun: SnagFlat and Pigeon. The landlord: Pigeon and BrickReports.
- Everything they show is public. The free tools at the end of this page show the same records without an extension.
What each one adds to a listing
| Extension | What it shows on StreetEasy | Price |
|---|---|---|
| Pigeon | Six scores out of ten: light (the shade of nearby buildings, by floor), noise (311 reports on the block), transit, building (HPD complaints and violations, against buildings of the same size), landlord (the owner, housing court, evictions, rent-stabilized apartments) and, for rentals, value (the rent against the ZIP code). A landlord score on each search result. | Free, no account |
| BrickReports | An A–F building grade, a verdict and a violation count from HPD, 311 and Department of Buildings records, with the owner’s portfolio and rent stabilization signals. A fuller report on its website. | Free grade; full reports paid after a few free ones |
| SafeNest NYC | An A–F building safety grade from HPD and Department of Buildings violations, 311 and bedbug reports. | Free; sign in to save buildings and open full reports |
| spillthe.rent | Open HPD violations and a score from tenant reviews. Also works on Zillow and Apartments.com. | Free, no account to read |
| SpottedNYC | Open HPD and Department of Buildings violations, heat complaints and a price estimate. Labeled beta. | Free |
| SnagFlat | Badges for likely rent stabilization (registered units, J-51 and 421-a), price and rent history, which way the building faces, sun hours, whether the street is busy and the average unit size. Search results can be filtered by them. | Free, no account |
| What The Rent?! | An estimate of the monthly energy bill and a safety rating from 311. | Free |
Two more are still in the store but haven’t been updated since 2024: Rent 311 (311 requests and landlord ratings, last updated June 2024) and GreenLight (possible rent stabilization on search results, last updated March 2024).
Which extensions show whether an apartment is rent stabilized?
SnagFlat flags listings that are likely rent stabilized from the building’s registered units and its J-51 or 421-a tax benefits. Pigeon shows whether the building has rent-stabilized apartments registered, how many, and whether that number is falling, and on search results a switch dims the buildings with none. BrickReports shows rent stabilization signals from the building’s registration. None of them can tell you that one apartment is stabilized: ask for the lease’s rent stabilization rider and the apartment’s rent history (how).
Which show how much sun an apartment gets?
SnagFlat and Pigeon both account for the shade of the buildings around. SnagFlat estimates the hours of direct sun on the equinox for the listing’s floor, and shows which way the building faces. Pigeon draws every outside wall of the building and checks it against the roof heights of every building within 250 meters, for each floor and each hour of December 21, March 20 and June 21; walls shared with the next building have no windows and are left out.
Which show who the landlord is?
Pigeon names the registered owner and the head officer behind the LLC from the building’s HPD registration, and counts housing court cases, harassment findings and evictions from the past five years. BrickReports shows the owner’s other buildings and how they do, where it has them. spillthe.rent lists court cases on its website. (How to look up an owner yourself.)
Without an extension
- HPD Online: every complaint and violation for a building (how to read them).
- Who Owns What: the owner behind the LLC and their other buildings.
- The state’s building search: whether a building has rent-stabilized apartments.
- 311 service requests on NYC Open Data: noise and other complaints by address.
- Pigeon’s address check scores any NYC address for its building, landlord, noise and transit, on a phone too.
How we compared
From each extension’s Chrome Web Store listing and website on October 21, 2026, not by running them all on the same listing. Extensions change, so check a listing before you install. Extensions for other sites (Zillow only, commute directions, crime maps) and ones whose listings are gone are left out. If something here is wrong or out of date, write to pigeonnyc@proton.me and we’ll fix it.
Pigeon does this on every StreetEasy listing.
Add to Chrome, freeNo listing open? Check any NYC address for its building, landlord, noise and transit scores, or find a building’s page with its violations, owner and rent-stabilized apartments.