Menu
assertive-k9-in-board-training-promo-may-2017
Assertive K9 Training Home Training

Training

We are Certified Dog Trainers that use Positive Reinforcement Motivation.

Assertive K9 Training Home Boarding

Boarding

Our kennel sits on five spacious acres surrounded by beautiful mountains.

Assertive K9 Training Home Puppies

Puppies

We only breed responsibly from the finest German bloodlines.

Assertive K9 Training Home Store

Store

Great news! You can now pay for training, boarding, and place puppy deposits online.

assertive-k9-training-slider-backgroundassertive-k9-training-slider-logo

Home of the Thinschmidt German Shepherds

Training for all breeds of dogs

By Certified Pet Dog Trainers

assertive-k9-training-slider-logo
Hot Weather Tips for Keeping Your Dog Safe This Summer

Hot Weather Tips for Keeping Your Dog Safe This Summer

When humans are exposed to heat, our bodies naturally perspire (sweat) to cool us off. Dogs do not sweat and can only reduce their body temperature by panting. When it is also humid, less moisture…

Continue Reading
New Import Puppies Are On The Way!

New Import Puppies Are On The Way!

New German import German Shepherd puppies have been born and are on the way to the United States. They are due to arrive in mid-June! Take them home as they are, or we can train…

Continue Reading
Over 40 Years and Still Growing! Expanding to Las Vegas

Over 40 Years and Still Growing! Expanding to Las Vegas

Assertive K-9 has opened a new facility in Nevada! 3709 Bordley Way North Las Vegas, NV 89032 725-333-6472 We have expanded to Nevada with a new facility in Las Vegas! Our new location will provide all…

Continue Reading

It's Jennifer and Kenai. Kenai is now an OFFICIAL THERAPY DOG, here in Chula Vista/San Diego. She passed the CGC test on the first try, she also passed the therapy dog testing on the first try as well. We had…read more

Jennifer
Jeanne Smith

We purchased a beautiful, female puppy from Thinschmidt in the spring of 2013.  Having owned large breed dogs for 30+years, we knew exceptional breeding was essential in choosing a GSD puppy.  At the time, our family included a 10 year…read more

Jeanne Smith

OMG!!! You guys are by far the best. I cannot Thank You guys enough for making my trip that much more fun by me feeling at ease that my dogs were in such good hands. Not only Amazingly well taken…read more

Jennifer Plancarte
Tony

We purchased our first German Shepherd from Thinschmidt and couldn't be more pleased. I researched several different breeders not only in California but across the U.S. I couldn't be more pleased with Assertive K9 for the quality of dog we…read more

Tony

I have purchased 2 German Shepherds from this Breeder. I originally searched all over the California for the top Breeder. the dogs are so well trained at 13 weeks when you pick them up they should be in Guiness book…read more

Gary Temel