John Gassen - Broker at Wise Oak Realty

John Gassen - Broker at Wise Oak Realty Broker/REALTOR® and owner of Wise Oak Realty. Client-focused, trustworthy, and dedicated to YOU!

Thank you for the great Google review, Brayden Lovelace!! Enjoy your new home. Can’t wait to see it transition from the...
04/04/2026

Thank you for the great Google review, Brayden Lovelace!! Enjoy your new home. Can’t wait to see it transition from the vacant new home to YOUR space with Keely’s design touches!

While my latest listing was working through a contract (that we just finalized!!), I was at a closing with this amazing ...
04/04/2026

While my latest listing was working through a contract (that we just finalized!!), I was at a closing with this amazing group of humans! I always enjoy the transaction when Becky Wilber from BancFirst is the loan officer. Combine that with working with another BancFirst superstar as a buyer and it was phenomenal! Jon, thank you for trusting in me to help you buy your new home! I know it will serve you and your family well! I enjoyed meeting your daughters and grandson in the process! See you around all the community things as always soon!!



04/03/2026

One day. One showing. Perfectly staged house with meticulous maintenance is UNDER CONTRACT!

It can happen even in a market with 60-90 days being normal to get a home sold. Congrats to all!!

03/31/2026

Newsletter Gift Card Giveaway! And the winner is…



AWESOME DAY!! This amazing couple, and their sweet baby girl, closed on their brand new home today! Please help me con...
03/13/2026

AWESOME DAY!! This amazing couple, and their sweet baby girl, closed on their brand new home today! Please help me congratulate them on all their hard work. They have saved and planned for this day! I look forward to seeing all that God has in store for their family in the years ahead.

Thank you for letting me be a part of this journey with you.

And shout-out to The Builder’s Collective. They build a nice home and their service was top notch! I’d love to work with them again if you or anyone you know gets a hankering to make a move!



I can’t say thank you enough for the following FIVE STAR review, Veronica! WOW!“John was incredibly helpful. In being a...
03/12/2026

I can’t say thank you enough for the following FIVE STAR review, Veronica! WOW!

“John was incredibly helpful. In being a first time home buyer and from out of the state, it was super important to find someone that could give us guidance and who we could trust. He always made himself available to us, in spite of our time difference, and walked us through every detail of home buying or question that came up. He has given us great referrals to businesses in the area and still will pick up the phone when we call to ask about tornadoes or other random questions that come up since becoming homeowners. We are so grateful to John and all the help he has given and continues to give us. If you’re looking for a house in Oklahoma metro area, John’s your guy!”

03/07/2026

Another referral UNDER CONTRACT! You all just keep them coming, and I could not be more grateful. This lovely home will soon transfer ownership to a deserving family who needs the space this home provides. I absolutely love being a small part in these transitions. From the showings, the education, the negotiations, the home inspections, and the closing — I’m here all the way.

THANK YOU!!!! Wow! What an awesome review! Who do you know that I can help have a similar experience? Let’s talk so...
03/07/2026

THANK YOU!!!! Wow! What an awesome review! Who do you know that I can help have a similar experience? Let’s talk soon!

I’m grateful for kind reviews like this one. I’m blessed to do what I do. 😀
02/22/2026

I’m grateful for kind reviews like this one. I’m blessed to do what I do. 😀




02/21/2026

🏡 CLOSED! 🏡

That makes my third first-time homebuyer to close this year — and I don’t take that lightly.

Buying your first home can feel overwhelming. The wrong guidance can cost you time, money, and confidence. This sweet couple experienced that firsthand with the first agent they talked to… and it wasn’t a great experience.

After a conversation with their pastor in California (who happens to be Whitney’s cousin), they were told, “You need to call John.”

And they did. 🙏

Helping good people land the RIGHT home with clear, honest guidance is why I love what I do.

Referrals aren’t just business to me — they’re trust. And I’m grateful every single time.

If you know someone in Oklahoma thinking about buying their first home, upgrading, downsizing, or just asking questions…

📲 Send them my way.
Or tag them below.

Who do YOU know that I should know?

Address

135 N Cedar Branch Way, Ste 111
Mustang, OK
73064

Opening Hours

Monday 8am - 7pm
Tuesday 8am - 7pm
Wednesday 8am - 7pm
Thursday 8am - 7pm
Friday 8am - 7pm
Saturday 8am - 7pm
Sunday 8am - 7pm

Telephone

+14058336952

Website

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