Mobile residential & commercial locksmith

Serving Fremont, Newark, Union City, Palo Alto, Menlo Park, Atherton, and surrounding cities.

I'm Ben, the owner of GreenKeys Locksmith. I help homes and businesses in Fremont, Newark, Union City, Palo Alto, Menlo Park and Atherton with rekeys, lock repairs, door and strike alignment, and smart lock installation. I'm fully mobile and based in Newark — I come to you, and there is no walk-in shop. Call to check availability.

I give honest quotes based on the scope of work, with final pricing subject to inspection and any parts needed. No upsell. I use nondestructive entry whenever possible and treat every lock as if it were my own.

Call (510) 209-8317 — Open 9:30 AM – 11:30 PM, seven days a week

CA License LCO 5134

Owner operated! No employees or subcontractors. Ask for Ben.

Fremont since 1989, company founded in 2010.

Residential & Commercial Services

Lockouts — homes and businesses, during business hours

Rekeys — residential and commercial

Lock change

Lock repair — homes and businesses, including door and strike alignment

Lock replacement

Lock installations

Smart lock installations

Most other residential and commercial lock and key problems — call and ask.

I do NOT offer: automotive service, car keys, key programming, key fobs, or key duplication.

Hours

Monday–Sunday: 9:30 AM – 11:30 PM. Occasionally I am unavailable during these times because I may be helping another customer.

Areas I Serve

I serve Fremont, Newark, Union City, Palo Alto, Menlo Park, and Atherton — and I also take work in the cities in between and nearby. If you're not sure whether I come to you, call and ask. I come to you — there is no walk-in location.

A True Owner-Operator

When you call GreenKeys, you talk to me — Ben, the owner. The same person who answers your call is the one who shows up and does the work. No call center, no dispatch, no subcontractors, no runaround.

Your satisfaction is personally guaranteed by me — if something isn't right, you talk to me and I make it right.

Frequently Asked Questions