Locked Out in
Stone Oak?
Fast, mobile locksmith services across Stone Oak, Hardy Oak, and all of North San Antonio — auto lockouts, key programming, residential & commercial. Available 24/7.
Stone Oak Service Areas & Zip Codes
We cover Stone Oak (78258) and surrounding North San Antonio communities. Find your neighborhood below.
Stone Oak
Our primary service zone. From TPC Pkwy to Hardy Oak Blvd, we reach every neighborhood in Stone Oak within minutes.
Neighborhoods & Communities
Zip Codes Served
North San Antonio Corridor
Covering US-281 North, Bulverde Road, and the communities stretching toward Comal County, including Hill Country Village and Hollywood Park.
Neighborhoods & Communities
Zip Codes Served
Primary ZIP: 78258. Also serving 78259, 78232, 78163, and surrounding areas. Call us if you don't see your area listed.
Lock & Key Services in Stone Oak
From automotive and residential to commercial and emergency services — 3H Auto Lock & Key covers every lock and key need in ZIP 78258.
Automotive Locksmith
Locked out of your car anywhere in Stone Oak or 78258? We cover the TPC Pkwy corridor, Hardy Oak Blvd, US-281 N, and every neighborhood in North San Antonio.
- Car lockout assistance
- Transponder key programming
- Ignition repair & replacement
- Duplicate car keys cut on-site
- Smart key & fob programming
Residential Locksmith
Home security solutions for Stone Oak homeowners from Hardy Oak to Encino Park. We handle everything from lockouts to full rekeying projects.
- Home lockout service
- Lock rekey & replacement
- Deadbolt installation
- High-security lock upgrades
- Master key systems
Commercial Locksmith
Protecting Stone Oak businesses along Sonterra Blvd and TPC Pkwy with enterprise-grade lock solutions. Serving offices, retail, and commercial complexes.
- Commercial lockouts
- Access control systems
- Panic bar installation
- Master key systems
- File cabinet & safe locks
Key Cutting & Duplication
On-site key cutting for all types — residential, commercial, and automotive. We come to you anywhere in Stone Oak with our fully equipped mobile unit.
- High-security key duplication
- Laser-cut keys
- Transponder key cutting
- Antique & specialty keys
- Bulk key duplication
Emergency Lockout Service
Locked out at any hour? Our Stone Oak emergency team dispatches fast, 24 hours a day, 7 days a week — including weekends and holidays.
- 24/7 emergency dispatch
- ~30-minute average response
- No after-hours surcharge on select calls
- Fully equipped mobile vans
- Non-destructive entry methods
Lock Repair & Maintenance
Worn, stiff, or damaged locks? Our technicians repair and maintain all lock brands and types throughout Stone Oak, extending the life of your hardware.
- Lock mechanism repair
- Door frame alignment
- Weatherstripping assessment
- Lubrication & adjustment
- Strike plate realignment
Stone Oak's Most Trusted Locksmith
3H Auto Lock & Key was founded right here in San Antonio. For over 15 years, we've built our reputation one job at a time — earning the trust of Stone Oak homeowners, businesses, and drivers across North San Antonio.
Our technicians are locally trained, background-checked, and deeply familiar with every street in Stone Oak and 78258. We know the fastest routes to every corner of North SA — which means faster response times for you.
15+
Years in San Antonio
30 Min
Average Response Time
10,000+
Customers Served
4.9★
Average Google Rating
Texas DPS Licensed Locksmith
Every 3H technician holds a valid Texas Department of Public Safety locksmith license — the state's required credential for all practicing locksmiths serving Stone Oak and Bexar County.
Fully Bonded & Insured
We carry comprehensive liability insurance and bonding covering all of Stone Oak and North San Antonio. Every service call is protected — for you and for us.
BBB Accredited — A+ Rating
3H Auto Lock & Key is a Better Business Bureau accredited business with an A+ rating, reflecting our track record of resolving every Stone Oak customer concern professionally.
Background-Checked Technicians
All our technicians pass thorough background checks before joining the team. We're uniformed, identifiable, and accountable on every service call in 78258.
100% Satisfaction Guarantee
Every job is backed by our satisfaction guarantee. If you're not happy, we'll make it right — no questions asked. That's the 3H promise to every Stone Oak customer.
We Know Stone Oak Inside Out
From TPC Parkway to US-281 N, our locksmiths know every corner of the Stone Oak area. Familiarity with local landmarks means we arrive faster and serve you better.
TPC San Antonio
Entertainment / SportsLocked out at the TPC San Antonio golf resort? Our technicians are familiar with the TPC Pkwy corridor and respond quickly to both guests and staff.
Stone Oak H-E-B Plus
Retail / GroceryNear the Stone Oak H-E-B at TPC Pkwy & Hardy Oak Blvd? We service the surrounding shopping center parking areas fast — no tow required.
Methodist Hospital Stone Oak
MedicalIf you're locked out near Methodist Hospital Stone Oak, our 24/7 emergency response ensures you're never stranded outside this critical facility.
The Rim Shopping Center
Retail / ShoppingShoppers and employees at The Rim on IH-10 can count on our mobile locksmiths to arrive quickly for car lockouts and key emergencies.
Stone Oak Park
Parks & RecreationWhether you've locked your keys in your car after a trail run or need a lock repaired at a nearby home, we cover the Stone Oak Park neighborhood.
North Central Baptist Hospital
MedicalServing the medical professionals and visitors around North Central Baptist Hospital with rapid, professional locksmith response at any hour.
US-281 North Corridor
TransportationFrequent car lockouts occur along US-281 N. Our mobile units patrol near this major corridor for quick roadside key assistance.
Sonterra Village
Retail / DiningRestaurants, offices, and retail shops along Sonterra Blvd rely on us for commercial lock repairs, rekeying, and access control installations.
Why Stone Oak Chooses 3H Auto Lock & Key
With dozens of locksmith options in San Antonio, here's what makes us the top-rated choice for homeowners, drivers, and businesses in the Stone Oak area.
Fastest Response in 78258
Our mobile units are stationed near Stone Oak so we typically arrive in 30 minutes or less — faster than any competitor in the area.
Transparent, Upfront Pricing
We quote you a price before we start any work. No hidden fees, no bait-and-switch. The estimate you receive is the price you pay.
All Lock Brands & Vehicle Makes
From luxury BMW key fobs to basic Schlage deadbolts, our technicians are trained on every major lock brand and vehicle make on the market.
Licensed, Verified Professionals
Every technician holds a valid Texas locksmith license and has passed extensive background checks — your safety is our first priority.
One Call, Done Right
Dispatch, service, payment — all handled with a single call. No referrals, no subcontractors. We send our own trained and licensed staff every time.
Satisfaction Guaranteed
Not satisfied? We'll make it right. Our reputation in Stone Oak is built on five-star reviews and repeat customers who trust us with their homes and vehicles.
"Arrived in under 30 minutes and had my car open in no time. Will definitely call again!"
— Stone Oak resident, Google Review ★★★★★
What Stone Oak Residents Are Saying
Hear from our satisfied customers across the 78258 ZIP code and surrounding areas.
Stone Oak Locksmith FAQ
Answers to the most common questions about locksmith services in Stone Oak and the 78258 ZIP code area. View all FAQs →
Nearby Service Areas
Stone Oak is our home base for North SA, but our licensed technicians cover a wide region across Greater San Antonio and beyond.
San Antonio
ZIP: All ZIP Codes
Full coverage across all of San Antonio with 24/7 locksmith service.
Alamo Ranch
ZIP: 78253
Serving the Alamo Ranch community and Northwest San Antonio.
Medical Center Area
ZIP: 78229 / 78240
Locksmith services for the South Texas Medical Center corridor.
Castroville, TX
ZIP: 78009
Mobile locksmith coverage extending to Castroville and Medina County.
Hondo, TX
ZIP: 78861
Serving Hondo and the surrounding Medina County communities.
Not sure if you're in our coverage zone? Call us at (210) 966-8114 and give us your cross streets — we'll confirm coverage right away.
Need a Locksmith in Stone Oak Right Now?
3H Auto Lock & Key is your trusted Stone Oak locksmith — licensed, insured, and available 24/7. Call for immediate dispatch or contact us online for a free estimate.
Serving Stone Oak, Hardy Oak, Sonterra, Encino Park & all of ZIP 78258 · ~30 min response