SNIFFERS Dog Training Center
Service area: Serves Rockville, Montgomery County, and surrounding areas in Maryland, including Washington DC suburbs within a 20-minute drive.
Service Overview
Types of Dog Training
- Family Dog
- Behavior Modification
- puppy
Specialty Focus Areas
- Puppy Training
- Leash Pulling
- Reactivity / Aggression
- Barking Excessively
- Separation Anxiety
- Biting / Nipping
- Potty Training
- Fearfulness
- Recall
Training Formats Offered
- Private Lessons
- Group Classes
- Private Facility
- Board and Train
- Day Training
Program Formats
- One-Time Consultation
- Sessions Package
- Intensive Program
Types of Dogs
- Small
- Medium
- Large
- Giant
- Herding
- Sporting
- Working
- Hounds
- Terriers
- Doodles
- Brachycephalic
Age of Dogs Trained
- Puppy (<1 year)
- Adolescent (1-2 years)
- Adult (2-8 years)
Dog Training Methodology
Methods:
- ✓ Positive Reinforcement Only
Equipment:
- ✓ Clickers
- ✓ Food Rewards
- ✓ Harnesses
- ✓ Flat Collars
Training programs include: Board & Train (intensive 1–4 week residential program), Puppy Package (4-week structured program covering socialization, manners, crate, and potty training), Day Training (Monday–Friday, 7am–7pm drop-off), and Private Lessons (one-on-one sessions for behavior or obedience). All programs emphasize positive reinforcement, individualized goals, and owner communication training.
Pricing & Policies
Pricing Summary
Pricing is not publicly listed; clients are encouraged to schedule a free evaluation to receive a customized quote based on program type and dog’s needs. Packages include 4-week puppy training and board-and-train options with individualized pricing.
Testimonials
“Sniffers is amazing and I would recommend them to everyone looking for help with their pets. Laura and Hilary gave my dog a plan that was tailored to her needs and have been with me every step of the way after she returned home. All of the concerns I had with my new dog were addressed and she is now a well-behaved dog. Not to mention, my dog absolutely loves Laura and Hilary. I would go back to Sniffers in a second. I HIGHLY recommend Sniffers!”
– Heidi M, Washington, DC
About the Trainer
SNIFFERS Dog Training Center is a dog training and pet care facility founded by Hillary Sewell and Laura Mathieson, both with bachelor’s degrees in Psychology and Biology, respectively, and over five years of experience training exotic animals at the Smithsonian’s National Zoological Park. They specialize in behavior modification, puppy training, obedience, and board-and-train programs, using a positive, individualized approach focused on building trust, confidence, and clear communication between dogs and their owners. The center offers day training, private lessons, and intensive board-and-train programs at their 11,500 sq ft facility in Rockville, MD, which includes indoor and outdoor play areas, enrichment spaces, and dedicated training zones. In addition to training, they provide dog daycare, overnight boarding, grooming, and enrichment activities. New clients receive 3 free welcome visits to assess fit and socialization potential. Their training philosophy emphasizes motivation over correction, tailoring programs to each dog’s unique needs and learning style.
They also support local rescue groups and maintain a commitment to ongoing education through industry conferences and professional collaboration.
The facility is designed for safety and comfort, featuring rubber flooring, air purifiers, artificial turf yards, and constant supervision.
SNIFFERS is open Monday–Friday 7am–7pm and weekends 9am–5pm, making it convenient for busy pet owners.
Their team has been training dogs daily since 2008.
Clients praise their personalized plans, consistent follow-up, and the noticeable improvement in their dogs’ behavior and happiness.
Accomplishments
Founders Hillary Sewell and Laura Mathieson have over 15 years of combined professional animal training experience, including five years as animal keepers at the Smithsonian National Zoo working with wolves and marine mammals. Both hold bachelor’s degrees with emphasis on animal behavior and physiology. They have been operating SNIFFERS since 2008 and regularly attend industry conferences.
How to Get Started!
Client engagement begins with a FREE evaluation, which can be scheduled online. New clients also receive 3 free enrichment daycare visits within 7 days to assess their dog’s fit with the facility and training approach.

Contact Information
Availability
- Weekdays
- Weekends
- Morning
- Afternoon
- Evening
Hours
Monday: 7am-7pm
Tuesday: 7am-7pm
Wednesday: 7am-7pm
Thursday: 7am-7pm
Friday: 7am-7pm
Saturday: 9am-5pm
Sunday: 9am-5pm
Associations
- AKC
- APDT
- IAABC
- IACP
- PPG
Languages
- English
Misc Features
- Women-owned
- restroom unisex
- LGBTQ-friendly
- transgender safespace
Other Services Offered
- Dog day care center
- Pet boarding service
- Pet groomer
Location
Westmore Ave Suite 2, Rockville, MD 20850Listing Tools for Trainers
For SNIFFERS Dog Training Center Only
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