By the time a new restaurant posts its opening date on Instagram, every POS rep, linen service, and distributor in Chicago has already called. If you sell to restaurants, the announcement is too late. The good news: restaurants can't open quietly. They leave a public paper trail that starts months before the doors do — and most of your competitors never read it.
Here's the ladder, from earliest signal to latest, with actual timing numbers from Chicago's public records.
The signal ladder
- Buildout permit — a renovation or new-construction permit at a retail address. The earliest reliable signal.
- Liquor license application — if there will be a bar program, this paperwork moves early because it's slow.
- Retail food license application — the operator is now weeks out.
- License issuance — the city has signed off. Opening is imminent.
- Doors open — and with them, every vendor's cold call.
The buildout permit: four to nine months of runway
We matched building permits to the restaurants that eventually opened at the same address. Across 51 Chicago restaurant openings over the past year where a buildout permit preceded the license, the permit was issued a median of 172 days before the food license — with the middle half of cases falling between 126 and 273 days. Call it four to nine months of runway, median just under six.
That's enough time to be the first vendor in the conversation instead of the fourteenth. Buildout permits are public: the City of Chicago publishes its building permits dataset on the open data portal, and a renovation permit at a storefront address with "restaurant," "kitchen," or "hood" in the work description is about as clear as signals get. We wrote up June's restaurant buildouts — 13 spots in the pipeline right now.
The liquor application: two to four months out
If the concept includes alcohol, the liquor paperwork often surfaces before the food license, because liquor licensing is the slowest process in the stack. We covered how to track new liquor license applications last week — the short version is that a liquor application is both a timing signal and a concept signal. A Tavern application is a different sales conversation than a Package Goods one.
The food license application: your six-week warning
The retail food license itself gives less warning than most people assume, but it's still useful. Across the 383 Retail Food Establishment licenses Chicago has issued so far in 2026, the median gap between application and issuance is 44 days. The application alone gives you roughly six weeks' head start — and unlike the permit, it names the operator.
Volume-wise, this is a steady stream, not a trickle: 65 new retail food licenses in the first three weeks of June alone.
Don't ignore the weird license types
Not every food business is a storefront restaurant. So far in 2026, Chicago has also issued 99 long-term shared-kitchen user licenses and 16 mobile food licenses. Shared-kitchen licensees are ghost kitchens, caterers, and packaged-food brands — real customers for distributors and payment processors, and almost nobody prospects them because they don't have a storefront to walk past.
Caveats
Honesty about the data's edges:
- Not every buildout permit becomes a restaurant. Some projects stall, some are landlord white-boxing, some become retail instead. The permit is a lead, not a closed deal.
- The 172-day median comes from permits we could match to a later license at the same address. Openings with no prior permit (second-generation spaces that needed no work) move faster and give less warning.
- A minority of food licenses are issued nearly same-day with opening — the ladder gives you odds, not guarantees.
Working the ladder without living in spreadsheets
Everything above is doable by hand on the city's data portal — permits and licenses are both public. The work is in the matching: connecting a permit at an address to the license that follows, deduplicating operators, and separating genuinely new restaurants from an existing group pulling its fourth license. That's the part BizPulse automates — we track genuinely new Chicago openings and flag what's opening soon from exactly these signals.
But the method is free, and it works. The restaurant that opens in October is already in the permit data today. The only question is which vendor reads it first.