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SnagFlat for Chrome · NYC · StreetEasy

SnagFlat adds at-a-glance badges to apartment listings on StreetEasy so you can triage faster — without opening every listing. Here's how to get going, what each badge means, and what to do if something looks off.

Getting started

1. Install SnagFlat from the Chrome Web Store and pin it if you like.
2. Go to StreetEasy — a search-results page (for-rent or for-sale) or any individual listing.
3. Badges appear automatically next to each listing's address. Click a badge to open a panel explaining why — the basis, the data source, and an honest caveat.

What each badge means

• Rent-stabilization — the primary badge. Whether the building is likely rent-stabilized, and on what basis (registered stabilized units, or a J-51 / 421-a tax benefit). States stabilized, likely, not stabilized, or unknown when the public data can't say.
• ☀ Orientation — which way the building faces, and whether a south exposure is even possible. Reflects the building footprint, not the specific unit.
• Sun — an estimate of direct-sun hours, tailored to the floor when the unit number is on the listing.
• 🔊 Street — a busy/quiet read from the street.
• 📐 Size — the building's average unit square footage from public records (not the specific unit's size).

Filtering a search

On a results page, a floating filter panel lets you hide listings by badge — show only rent-stabilized, quiet-street, a chosen orientation, or a minimum size. Your selections stick across pages and reloads. Open the extension's options to choose which badges are available as filters.

Common questions

Badges aren't showing up.

SnagFlat currently works on StreetEasy only, for NYC listings. If you just installed it, reload the StreetEasy tab. If badges still don't appear, the page may have loaded before the extension — refresh once more.

A badge says "unknown" or "couldn't look this up."

That's by design. SnagFlat is honest about uncertainty: if the public data can't support a confident answer — an incomplete address, a building just outside our coverage, or a momentary hiccup reaching a data source — it says so rather than guessing. Try reopening the listing in a moment.

The rent-stabilization badge — can I rely on it for a specific apartment?

No. These are building-level signals from public NYC data that can lag reality, and an individual unit's status may differ. The badges are informational, not legal advice, and not a guarantee of any unit's status. See the disclaimer.

Where does the data come from?

Public NYC sources: the City's GeoSearch geocoder, NYC Open Data (tax abatement/exemption records, building footprints, PLUTO), and JustFix's "Who Owns What." Click any badge to see exactly which source matched.

What does SnagFlat collect?

Only the listing's address (and borough/zip) is sent to our backend to look up the building — no accounts, no tracking, no browsing history. Full details in the privacy policy.

Does it work on Zillow / outside NYC?

Not yet — StreetEasy and NYC only at launch. More sites and coverage are on the roadmap.

Still stuck?

Email hello@snagflat.com with the listing URL and a short description (a screenshot helps). We'll get back to you.