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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.

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Home of the Thinschmidt German Shepherds

Training for all breeds of dogs

By Certified Pet Dog Trainers

Our Online Store Is Open!

Our Online Store Is Open!

Exciting news! Our new and improved online store is back! Be sure to visit the store to see all the convenient features we have for our clients. Now, with a few easy clicks, you can safely…

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Meet Alice

Meet Alice

Meet Alice! Alice is approximately 18 months old. She is a female Plush Coat German Shepherd that is available for adoption. Alice was found as a stray in a local Corona neighborhood. She was brought into Sycamore…

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Meet Auggie

Meet Auggie

Meet Auggie! Auggie is a 4 year old male purebred German Shepherd that is available for adoption. Auggie was sired by a SchH3 German import. The dam was a top of the line German import. The original…

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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