Professional training for dogs struggling with aggression, reactivity, resource guarding, and fear-based behavior. Every case is evaluated individually before any program is recommended.
Most owners know something is wrong but aren't sure whether it's aggression, reactivity, or something else entirely. If your dog shows any of the behaviors below, JPK9 Academy can help you figure out what's happening and what to do next.
Lunging at other dogs
Barking and snapping
Growling at people
Fear-based aggression
Resource guarding
Territorial behavior
Reactivity on walks
Bite history
Difficulty being handled
Aggression around triggers
A dog that barks, lunges, or reacts strongly is not automatically showing the same type or severity of aggression. The difference matters when determining the right training approach.
Not sure which category your dog falls into? Call JPK9 Academy, we'll help you figure out the right approach for your dog.
Call (916) 571-0157Not every dog with aggression or significant reactivity should start in a group class. JPK9 Academy evaluates each case individually. Depending on the dog’s history, severity, and behavior, a private training program or behavior-focused approach may be the right starting point before group training is considered.
If you’re considering group obedience classes for a reactive or aggressive dog, Contact Us so we can figure out the right starting point together.
Before any aggression training begins, JPK9 Academy assesses the dog's behavior to understand the full picture. Training recommendations are based on what is actually observed, not a generic intake form.
What has happened before? When did the behavior start and how has it developed over time?
What causes the behavior? People, other dogs, food, space, handling, or specific situations?
How intense is the behavior? What does the dog do and how quickly does it escalate?
Has a bite occurred? Under what circumstances and what happened after?
Where does the behavior happen? At home, on walks, around strangers, or in specific locations?
What does the family need the dog to safely do? What does a successful outcome actually look like?
JPK9 Academy works with a range of serious behavior challenges. Each case is evaluated individually to determine the right training approach.
| Behavior Type | What It Looks Like |
|---|---|
| Dog-to-Dog Aggression | Aggression toward other dogs on leash, at home with other pets, or in public. |
| Human-Directed Aggression | Growling, snapping, or biting toward family members, guests, or strangers. |
| Fear-Based Aggression | Aggressive responses driven by fear or anxiety rather than dominance. |
| Resource Guarding | Growling or snapping when approached near food, toys, space, or valued items. |
| Territorial Behavior | Intense barking, lunging, or biting when people approach the home, yard, or car. |
| Leash Reactivity | Lunging and barking toward other dogs or people during walks on leash. |
| Barking and Lunging | Intense reactive behavior that makes outings, walks, or guest visits difficult. |
| Bite-Related Behavior | Cases with a bite history are evaluated individually to determine the safest approach. |
Every case follows a structured process built around the individual dog. Not a program that works on a fixed schedule regardless of the dog's actual progress.
Discuss behavior history, triggers, previous incidents, and owner goals. Establish safety protocols.
A training plan specific to the dog's behavior, severity, and owner goals, not a generic package.
Obedience foundation, impulse control, engagement with owner, and appropriate responses to triggers.
Owners learn to read their dog, manage risk, and keep the training consistent at home.
Every program starts with a free phone consultation to discuss your dog's behavior and determine the right training format.
Juan Portillo founded JPK9 Academy in Elk Grove and personally works with every aggression and behavior case. With 15 years of experience across Sacramento and Northern California, Juan works with cases that other trainers turn away.
Every dog that comes to JPK9 Academy for aggression work is evaluated and trained directly by Juan, not handed off to an assistant. For severe aggression cases, Juan offers a residential Board and Train program where the dog lives in his home for 6 to 8 weeks.
This is a family-run business, operated alongside his wife Sarah. Every one of the 80+ five-star Google reviews reflects an honest result from a real case.
JPK9 Academy is based in Elk Grove, CA and serves dog owners throughout Sacramento and surrounding communities. Location is shared upon enrollment.
Straightforward answers to the questions Sacramento and Elk Grove dog owners ask most before reaching out.
Don't guess at the right approach. Talk with JPK9 Academy about your dog's aggression, behavior history, and what training makes sense. Honest conversation, no pressure.
Call (916) 571-0157