Field notes
Advice from the van
Written from jobs we actually run — not scraped filler.
2026-08-19 · 6 min
Securing a Brooklyn brownstone door without ruining it
What actually protects a 100-year-old rowhouse door — and what just puts holes in irreplaceable wood.
2026-08-19 · 4 min
Rekey or replace? The 60-second answer
Most 'change the locks' calls don't need new locks. Here's how to know which one you need.
2026-08-19 · 5 min
Master key systems for co-ops: what boards get wrong
A master system is a chart, not a pile of keys. How to set one up that survives staff turnover.
2026-08-19 · 4 min
Why storefront gate locks die in winter (and the 10-minute fix)
Roll-gate cylinders fail from weather, not burglars. A maintenance habit that saves the 7 a.m. emergency call.
Locked out right now?
Call. Describe the door. Get the price. Done.