Guides
Plain answers for this city, read in a few minutes.
Corrosion inside a cylinder, a key that turns halfway, brass against marine stainless, roll-down grilles on the avenues, and what a building owns versus what you do — written for these seven miles and nowhere else.
Oct 2025 · 5 min read
A Roommate Moved Out. Which Locks Actually Need Changing?
In a city where most people share a flat at some point, this is the commonest reason to call a locksmith. What to change, what not to bother with, and what it costs.
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Sep 2025 · 5 min read
Why Shop Grille Padlocks Fail on the Worst Possible Morning
A padlock on a roll-down grille looks fine right up to the day it does not open. What is happening inside, and how to stop it deciding your delivery schedule.
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Aug 2025 · 5 min read
Who Owns the Lock: Your Door, the Gate, and the Lobby
In a city of flats, some locks are yours and some belong to the building. Which is which decides who can order work, and it is easier to settle before a locksmith is standing there.
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Jul 2025 · 5 min read
Brass or Stainless: What to Put on a Door Near the Ocean
Within a mile of the water the finish matters more than the brand. What the difference costs, where it is worth paying for, and where it is not.
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Jun 2025 · 5 min read
Your Key Turns Halfway: What the Door Is Telling You
A key that stops halfway means one of three things, and they cost very different amounts. A ten-second test tells you which one you have before you call anybody.
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May 2025 · 6 min read
Why Locks Die Faster West of Twin Peaks
Marine air puts a clock on every street-facing cylinder in the Sunset, the Richmond and Parkside. What corrosion actually does inside a lock, and how long you really get.
ReadOpen 24 hours, 7 days
Say what the key is doing, hear the figure, get back inside
San Francisco plus Daly City, Colma, Brisbane, South San Francisco and Pacifica, 24 hours, holidays included. Stiff, halfway, snapped, or a healthy lock on the wrong side of a closed door: one number comes back with the $89 visit and the hour of the night already inside it, and it is the number on the receipt.