Locksmith service in San Mateo
San Mateo runs from downtown and North Central neighborhoods to western hillside streets and the residential areas around Hillsdale and Beresford. DS Locksmith SF offers mobile locksmith service for homes and businesses in the city's primary residential ZIP codes. Call (415) 656-5417 with the exact street address and the entrance that needs work.
What is distinctive about San Mateo
Downtown San Mateo and the blocks near the Caltrain station mix apartments, offices and storefronts, while Baywood and the western hills have a different housing pattern and tighter driveway access. East of El Camino Real you will find a broader mix of mid-century homes, condos and neighborhood retail. This page covers San Mateo proper (94401, 94402 and 94403). Adjacent cities are not listed as automatic coverage.
Service area map
Residential locksmith services
Common residential jobs include house and apartment lockouts, rekeying after a move or roommate change, replacing a tired deadbolt, and checking whether a smart lock will fit the door preparation. A hillside home may need a note about the driveway or a side gate; a downtown apartment may separate the building entry from the unit door. We discuss authorization, the condition of the hardware and whether rekeying or replacement is the better next step.
Residential work we discuss includes house and apartment lockouts, rekeying, changing locks, compatible smart-lock installation, and practical home-security hardware such as a reliable deadbolt — always after authorization is clear.
Commercial locksmith services
Downtown storefronts, professional offices, medical and dental suites, and retail along El Camino Real or near Hillsdale often need business lockouts, staff key changes, master-key structure, door closer repair or storefront lock work. Explain who can approve the visit, which door staff actually use, and whether a rear corridor or shared exit is involved. Exit hardware must remain usable.
Commercial work we discuss includes business lockouts, staff rekeying, master-key planning, access-control or intercom-controlled entries when the existing equipment is clear, and commercial door or lock repair, including closers and storefront hardware.
Car lockout help
Vehicle lockouts happen in downtown garages, shopping-center lots and residential driveways. Call with the parking location and vehicle details. Unlocking may be possible when authorization and equipment support are confirmed; car-key programming and ignition work are not advertised.
Access and scheduling
Tell us if the property sits on a steep western street, inside a gated court, or on a busy downtown block with limited stopping room. A clear pin or a photo of the door helps planning, but proof of authorization still comes first. Arrival depends on traffic on U.S. 101 or El Camino Real and is confirmed by phone.
ZIP codes in San Mateo
Each ZIP guide has its own map and locally specific notes. A ZIP code is not always the same as the city; we confirm the official address.
- 94401 — Downtown & North Central
- 94402 — Baywood, San Mateo Park & western hills
- 94403 — Beresford, Hillsdale & Fiesta Gardens
Other service areas
Frequently asked questions
Is Foster City included with San Mateo?
Foster City uses a different primary ZIP and is not listed as one of our service cities on this site. This guide is for San Mateo addresses in 94401, 94402 and 94403. Call with the city and street if you are unsure.
Do you have a San Mateo shop?
No local branch is claimed. Service is mobile, from our San Francisco-based business, during posted hours.
Can you rekey a house after I move in?
Yes, when the cylinders are compatible and you can authorize the work. We can also discuss changing locks if the hardware is worn or unsuitable.
Do you work on office and retail doors?
Yes. Business lockouts, rekeying, lock changes, master keys and commercial door hardware are discussed once the authorized contact and door type are clear.
Hours and contact
Mon–Thu and Sun 7:00 AM–11:30 PM; Fri 7:00 AM–5:30 PM; Sat from 8:00 AM — call to confirm closing time. All hours Pacific Time (America/Los_Angeles).
Call (415) 656-5417 or email DS Locksmith SF. Mobile service from San Francisco; call before planning any visit. A street address is not published on this website.
Related service guides
Residential locksmith · Commercial locksmith · Car lockout · All services · All service areas