That is a lot of red isn't it? I think cultured stone could work if you can pick up some of the red tones in the brick. I would also be tempted to add the stone in a porch over the front door. The window is off center on the addition, and you might want to balance it with a trellis or some kind of planting.

Thanks for the reply. We are removing that window and putting two single windows on that wall instead. Looks ridiculous off center like that and I can't stand it! Haha

We are re-doing the front door, but I am not sure if we will have an all-out porch yet...

Any examples of cultured stone that might pair well with it??

I am glad you will be able to center the window. That will make a big improvement! I have been looking for samples of brick and stone. Most of these samples are big houses, but you can see how the stone and brick work together. These samples have a more muted red than your house. I did find a red one, but of course it didn't download for me. It had darker stone, and was very attractive. I may get a chance to try again later this evening.
Many of the houses in our area have lighter like this one:
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I like this one:
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This is also pretty:
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Thank you so much for your help!