★★★★★  4.9 from 1,200+ client reviews
Balanced dog training since 2013 · Serving 7 states across the US
Call us: 415-583-5412
Home Locations California Northern California Aggressive Dog Training
Northern California · Aggressive Dog Training

Northern California Aggressive Dog Training

Our team of expert dog trainers in the Northern California area provide personalized and individualized programs to meet the unique needs of every pet and owner and pet.

3–8 week programs Max 5 dogs per trainer weekly photo & video updates
★★★★★

“Whether we’re your first call or your last hope.”

Programs from $3,600 · GPS collars · Max 5 dogs
How does aggressive dog training work in Northern California?

Our board and train program is popular for dealing with aggressive dogs and even more challenging behavior issues, allowing us to set the foundation for success while preventing future problems. We also offer private, in-home training programs. At Koru K9, we take the time to help you understand your pet better so that you can build a relaxed, trusting relationship. Contact us today at 415-598-2518 or fill out the form to learn more about how our programs can help you get real results with your pet!

Problem behaviors we help with

Behavior we work with in Northern California

If the reactivity, anxiety, fear, or aggression feels unfixable, we want you to know it’s not.

Tell Us About Your Dog

Aggression

Dog-to-dog aggression, Human aggression, Resource or food guarding, Dogs fighting

Fear & Anxiety

Fear based behaviors, Separation anxiety, Generalized anxiety, Destructive behaviors

Obedience Issues

Pulling on leash, Not coming when called, Jumping, Excessive barking

Our philosophy

Let the 'heeling' begin.

Ever wonder why some Northern California dog Board & Train programs promise quick fixes or take a one-size-fits-all approach, only to leave you with unreliable results and behaviors that come back? That doesn’t mean your dog is broken — it means they need a different approach.

At Koru K9 Dog Training in the Northern California Bay Area, our Board & Train programs are built for real-life success — not shortcuts. We focus on lasting behavior change through connection, consistency, and clear communication.

Real-life training in real environments. Each day includes structured sessions, field trips, and exposure to everyday distractions — city sidewalks, parks, and real streets, never a kennel run.
1–5
Client dogs per trainer — never more
Photo & video updates weekly
GPS
Collars & secure home environments
0
Kennels — home-based, always
How it works

How aggressive dog training works in Northern California

We treat every dog as if they were our own — because we know how much they mean to you.

1

Pick-up day

Pick up and drop off are part of every program. Your dog travels safe and settles into their trainer’s home.

2

Life in a real home

Your dog lives with a professional trainer — structured sessions plus playtime, exercise, and rest, never a crowded facility.

3

Real-world training daily

City streets, parks, and field trips — with at least two photo/video updates per week so you follow the progress.

4

Delivery & go-home lesson

We personally deliver your dog back and teach you everything they’ve learned — plus two follow-up lessons.

Your local team

Koru K9 trainers serving Northern California

Local trainers who live and work where you do.

Debbie Port

Northern California
Dog BehavioristMichael Ellis School +1

Debbie Port grew up riding and training horses professionally. She trained her own dogs on the side and over the years got interested in dog sports.

Becca Contreras

Northern California
Dog BehavioristBalanced School for Dog Trainers

Becca has been training dogs professionally since 2011.

Jourdan Murphy

Northern California
Dog Behaviorist

Jourdan was born and raised in Santa Cruz County. Her passion and love for dogs started at a very young age.

Celeste Schmidt

Northern California
Dog Behaviorist

From the time she was young Celeste always had a deep passion for animals. Learning as much as she could and spending her free time with the family dogs.

Maddie Galati

Northern California
Dog Trainer & Behaviorist

Maddie has always had a passion for dogs. Aside from growing up with them, as soon as she graduated high school she was volunteering with a local German Shepherd rescue and shadowing a balanced trainer.

Izzy Gutierrez

Northern California
Dog Trainer & Behaviorist

Izzy has spent her entire lifetime surrounded by animals and was always the resident expert for all family and friends with pet questions.

More reviews

Results from families like yours

Verified reviews from clients across every market we serve.

★★★★★

“We trained our 2 fur babies with Will Greenway. One is an 8 year old Australian Shepherd and the other a 3 year old Rough Collie.”

DW Danielle W.Verified client review
★★★★★

“I got the package with 3-sessions of private training (with one 1-2 hour consultation on top of that) and my trainer was Alex.”

AB Avyla BarrettVerified client review
★★★★★

“Walks used to be stressful, with constant pulling and lack of focus—but Halley A. has transformed that experience completely.”

MM Marisa MadridVerified client review
Questions

Northern California aggressive dog training FAQs

We specialize in all forms of aggression, including human aggression, dog-to-dog aggression, leash reactivity, resource guarding, territorial aggression, fear-based aggression, and sibling rivalry. Reach out to our team today to get help for your dog.
Yes. At Koru K9, we believe that almost any dog can improve with the right structure, clear boundaries, and appropriate training tools. We evaluate every dog on a case-by-case basis to create a realistic, safe, and effective rehabilitation path. Call us to discuss your dog's history.

Each trainer works with just 1–5 client dogs at a time, ensuring your dog receives focused attention, personalized dog training, and plenty of affection in a real home environment. This small, intimate setting allows our expert trainers to tailor each session to your dog's unique personality and behavior challenges—whether it's leash reactivity, separation anxiety, or basic obedience. Your dog isn't just trained—they're cared for like family.

Your dog will receive exceptional care, personalized training, and plenty of individual attention throughout their stay. In our Board & Train program, each trainer works with only 1 to 5 dogs at a time. This intentionally small size ensures your dog receives the focused support they need to succeed. Each day includes multiple one-on-one training sessions, play, physical exercise, and rest. Your dog will live in the trainer's home—not a kennel—and will be treated like one of their own. We don't just teach commands, we help your dog build confidence, trust, and the skills they need to thrive at home and in the real world.

Your dog's safety is our top priority at Koru K9. During our Board & Train program, your dog lives in a safe, structured, and supervised home environment—not a kennel facility. This allows for 24/7 monitoring, individualized care, and secure containment when dogs are not actively training or supervised. Each dog is housed in a crate when unattended, which not only ensures safety but also supports structure and calm behavior. Our trainers follow strict safety protocols to prevent injury, stress, or accidents. From controlled environments to professional handling, our training programs are designed to keep your dog safe, secure, and thriving throughout their stay.

Yes — your dog will absolutely remember you after completing their Board & Train program. Dogs are deeply bonded to their people, and that connection doesn't disappear during training. In fact, time spent apart often strengthens the bond. Rest assured you will be greeted with tails wagging, full-body wiggles, and all. Throughout the program, your dog is learning new skills, gaining confidence, and practicing calm behavior. When you reunite, you'll see not only a dog that remembers you, but one that is the best version of themselves. Our go-home lesson helps you step into your new role as the leader your dog needs, and we provide clear, personalized guidance to make the transition smooth and successful. With continued consistency at home, you'll build an even stronger relationship with your dog.

Other dog training programs in Northern California

Dog Board & Train

Dog Board & Train for Northern California dogs and their families.

Explore Dog Board & Train →

In-Home Dog Training

In-Home Dog Training for Northern California dogs and their families.

Explore In-Home Dog Training →

Dog Behaviorist

Dog Behaviorist for Northern California dogs and their families.

Explore Dog Behaviorist →

Your companion is worth it. Your peace of mind depends on it.

Whether we’re your first call or your last hope, Koru K9 will meet you — and your dog — where you are, and help you build the calm, confident companion you’ve been searching for.