The hardware barely changes. The buyer changes everything.

Both, and the overlap is usually where the job gets interesting. A restaurant on the ground floor of a co-op has a landlord’s alteration agreement sitting on top of a six-hour install window. A daycare operating out of a house of worship inherits an Assembly occupancy’s egress rules. A managing agent running a portfolio that includes two condos and eight rentals has two entirely different approval paths inside one standard.

Mixed-use is the most common version of this in New York, and the specific thing it demands is separation: commercial tenants and residential tenants should not appear in the same directory or be able to admit each other. That is either two systems or one system with hard-partitioned door groups and directories, and which one you want depends on who is going to administer it.

Yes, and it is a materially different job from working direct. On a GC job we are working to someone else’s schedule, sequencing behind rough framing and ahead of closing walls, and the single most valuable thing we can do is get the cable in before the drywall goes up. Missing that window converts a $200 rough-in into a $2,000 fish through finished construction.

What we ask for is early involvement in the door schedule. Half the coordination problems on a fit-out come from door hardware selected without anyone checking whether the frame can take a strike, whether the leaf is fire-rated, or whether the opening is in an exit path. Those are decisions made months before we normally get called, and they set the cost of everything downstream.

No. A single dead buzzer in a six-unit walk-up is a real job and we will take it. What there is, honestly, is a minimum cost of showing up: mobilizing a technician, a van and parking into a New York building has a floor under it, and on very small jobs that floor is most of the invoice. That is true of every contractor in this city; the difference is whether they tell you before or after.

Where it changes the arithmetic is on multi-drop work. Cost per cable drop falls sharply with volume, because mobilization and minimum-day labor spread across more work. Ten drops in a finished occupied space can run several hundred dollars each; several hundred drops in the same building can run well under half that. If you have three small jobs coming across a year, doing them in one visit is usually the single biggest saving available to you.

Usually. We work on what is in the building rather than insisting on a rip-and-replace, and a large share of “the system is dead” calls turn out to be a failed power supply, a weak standby battery, a corroded terminal or water in a lobby panel. Those are repairs, not replacements.

Two things genuinely block us. The first is a closed platform where the previous contractor holds the administrative account and will not release it. That is a commercial problem, not a technical one, and it sometimes has to be solved by replacing the head end while keeping the field wiring. The second is discontinued hardware with no parts channel, where every repair is a scavenge and the next fault is a month away. We will tell you which of those you are in before quoting anything.

Plate capture at a gate or a yard entrance, yes. There is a real distinction worth knowing. Plate capture produces a readable image a human can use later. Plate recognition produces a text string a system can match against a list and open a gate with. They are different products at different prices, and the second one needs the plate to occupy a minimum number of pixels across its width, a camera-to-vehicle angle under roughly 30 degrees, and shutter speeds fast enough to freeze a moving car. Most cameras sold as “LPR” are not mounted to satisfy any of that.

Facial recognition is a different conversation and we are cautious about it. In New York City, retail stores, entertainment venues and food-and-drink establishments that collect biometric identifier information have a signage duty at every customer entrance and an absolute prohibition on selling or otherwise profiting from that data. If you want it, the compliance work is part of the install, not an afterthought. For many buildings a credential plus a camera achieves the actual goal without any of it.

Regular business hours, Sunday to Thursday, plus Friday mornings. We are not a round-the-clock operation and we would rather say so plainly than sell a response time we cannot honor at 3 a.m.

What we do prioritize is a building nobody can get into. A dead entry panel or a failed door release goes to the front of the queue, and in most cases that means the same day or the next business day. Where after-hours work is genuinely unavoidable (a restaurant that cannot lose a service, a Class A lobby that will not permit noise during the day), we schedule it as planned evening work rather than as an emergency callout, and it is priced that way in the written scope.