Physical Security
Professional security personnel providing visible deterrence, access control, and rapid incident response for your property and events.
Learn About Physical Security Get an Online Estimate NowSioux Falls' Own Veteran-Owned Security & Locksmith Firm
We've Got
Your 6
Physical security, 24/7 emergency locksmith services, and emergency action planning — all under one roof. Veteran owned, Sioux Falls based, ready to deploy.
24/7
Emergency Response
3
Core Services
100%
Veteran Operated
USMC Veteran-Owned
BBB Accredited
Cards Accepted — Stripe
24/7 Live Phone
Sioux Falls Local
Routes
I need security for my…
Tap the option that fits. Each page covers what we offer for that property type, what makes the threat profile specific, and how to get a written estimate.
Multifamily
Apartment Complex
Mobile patrol, on-site officers, parking enforcement, lockup cycles, and documented incident reports for ownership groups and property managers.
View patrol optionsJobsite / GC
Construction Site
Night patrols, weekend stationary posts, copper/fuel/equipment theft prevention, and same-day deployment for active sites and pre-build lots.
Same-day deployDistribution / Industrial
Warehouse Facility
Gate officer coverage, dock supervision, yard patrol, badge verification, multi-shift handoffs, and audit-ready reporting for distribution centers.
Gate & dock postsArmed Coverage
Armed Security
Documented training, written rules of engagement, full insurance. We start with an honest threat assessment and tell you when armed is the wrong answer.
Threat assessmentSpecial Functions
Event Security
Weddings, fundraisers, corporate functions, private parties. Crowd visibility, access control, professional presence without intruding on the host’s atmosphere.
Plan an eventAfter-Hours
Alarm Just Tripped
Verified human response when your monitored alarm goes off. Faster than dispatching a manager, cheaper than a false-alarm fee. 30-minute typical ETA.
24/7 responseWhat We Do
Our Core Services
From boots-on-the-ground security to emergency lockouts and emergency action planning — Red Obsidian has you covered.
Emergency Unlock Services
Locked out? Our rapid-response team provides 24/7 emergency lockout assistance for homes, businesses, vehicles, and storage units.
Learn About Locksmith ServicesEmergency Plans
Custom emergency action plans, reviews of existing plans, and complete rewrites to ensure your organization is prepared for any scenario.
Learn About Emergency Plans
Veteran Owned
Military values. Civilian service.
About Us
Built on Discipline.
Driven by Service.
Red Obsidian Security is a veteran owned and operated security company proudly serving Sioux Falls and the surrounding region from our office at 401 E 8th Street, Suite 209. Our team brings military precision, discipline, and an unwavering commitment to protecting the people and assets that matter most to you.
We understand that security isn't one-size-fits-all. That's why every engagement starts with a thorough assessment of your unique needs, followed by a tailored plan designed to address real-world threats — not theoretical ones.
Fully Licensed & Insured
24/7 Emergency Response
Military-Trained Personnel
Custom Security Plans
The Difference
Why Sioux Falls Picks
Red Obsidian
Most regional security firms are pure-play guards or pure-play locksmiths and still operate on check-only billing. Red Obsidian is built differently — on purpose.
Most Local Firms
- Voicemail after-hours and on weekends
- Check-only billing — ask for the invoice
- “Call us for pricing” — quote in days
- Same patrol loop, every shift, every night
- Paper logbook in a guard shack
- Pure-play guards or pure-play locksmith — pick one
- Corporate franchisee or absentee ownership
Red Obsidian Security
- 24/7 live phone — real human, every hour
- Cards through Stripe + ACH net-terms for commercial
- Online estimator — written quote in 5 minutes
- Randomized routes — no patterns for thieves to learn
- GPS-tagged email reports per visit
- Three disciplines, one phone, one invoice
- USMC veteran — the owner answers the phone
Service Detail
Physical Security
Our trained security professionals provide a commanding, visible presence that deters criminal activity and ensures rapid response to incidents. Whether you need ongoing coverage or short-term protection, we deploy the right team for the job.
- Mobile Patrol — Randomized vehicle and foot patrols covering large areas, parking lots, construction sites, and multi-building properties.
- Stationary Guards — Dedicated personnel posted at entry points, lobbies, gates, or sensitive areas for continuous protection.
- Temporary Assignments — Event security, construction site coverage, short-term contracts, and emergency deployments.
Service Detail
Emergency Unlock
Services
Getting locked out is stressful. Our trained technicians provide fast, damage-free entry for homes, businesses, vehicles, and storage units. Available 24 hours a day, 7 days a week — because emergencies don't wait for business hours.
- Home Lockouts — Residential emergency entry with no damage to your locks or door hardware.
- Business Lockouts — Get your team back to work fast with professional commercial entry services.
- Automotive Lockouts — Car, truck, or fleet vehicle lockout assistance with modern non-destructive tools.
- Storage Unit Lockouts — Fast access recovery for all types of storage facility locks.
Service Detail
Emergency Plans,
Reviews & Rewrites
When crisis strikes, a solid emergency action plan is the difference between organized response and dangerous chaos. We create, review, and rewrite emergency plans that are clear, actionable, and built for real scenarios — not binder filler.
- Plan Creation — Custom emergency action plans built from the ground up based on your facility, staff, and threat profile.
- Plan Reviews — Expert audit of your existing plans to identify gaps, outdated procedures, and compliance issues.
- Complete Rewrites — Full overhaul of outdated or inadequate plans, modernized for current threats and best practices.
Frequently Asked
Quick Answers,
Straight Talk
Is Red Obsidian Security veteran-owned?+
Yes. Red Obsidian Security is a 100% veteran-owned and operated firm based in Sioux Falls, South Dakota, founded by a United States Marine Corps veteran. Military discipline, accountability, and an attention-to-detail standard are built into every service we deliver.
What security and locksmith services does Red Obsidian offer?+
Red Obsidian Security is one of the only firms in the Sioux Falls region to combine three core services under one roof: (1) physical security including mobile patrol, stationary guards, and temporary assignments; (2) 24/7 emergency unlock services for homes, businesses, vehicles, and storage units; and (3) emergency action plan creation, review, and rewrite services.
What areas do you serve?+
Sioux Falls and the surrounding region — including Brandon, Harrisburg, Tea, Dell Rapids, Garretson, Valley Springs, Sherman. Larger contract assignments throughout South Dakota and Iowa are available on request.
How fast can you respond to an emergency lockout?+
Most emergency unlock service calls within Sioux Falls receive a technician on-site within 30 minutes. Calls in the surrounding service area typically run 30 to 60 minutes depending on distance. We answer the phone 24 hours a day, 7 days a week at (605) 223-8100.
Do you provide mobile patrol in Sioux Falls?+
Yes. We operate randomized mobile patrol routes covering apartment complexes, mobile home parks, storage facilities, business parks, HOAs, and construction sites throughout the Sioux Falls area. Patrols include detailed electronic check-in reports delivered to clients after each visit.
Do you handle automotive lockouts?+
Yes. Our mobile auto locksmith service handles car, truck, and fleet vehicle lockouts using modern non-destructive entry tools. We respond 24/7 throughout Sioux Falls and the surrounding cities.
What payment methods do you accept?+
All major credit and debit cards through secure Stripe processing. Most regional security competitors require checks; we accept cards because that is how customers actually pay in 2026. Invoiced ACH and net-terms billing are also available for established commercial accounts.
How do I get a quote?+
Two ways. (1) Use our online estimator to receive a written estimate by email in under five minutes. (2) Call (605) 223-8100 or use the contact form below to schedule a free consultation. There is no charge for the estimate or initial consultation.
Ready to Secure
What Matters?
Whether you need round-the-clock guards, emergency lockout help, or a complete security overhaul — Red Obsidian is ready to deploy.
Get In Touch
Let's Talk About
Your Security
Reach out for a free consultation, emergency service, or to discuss how Red Obsidian can protect your people and property.
Phone (24/7)
Office Address
Service Area
Sioux Falls & Surrounding Region
Request a Free Consultation