This is a bed and breakfast inn. My wife and I recently stayed here. We notified them in advance that I needed gluten free breakfast both days. First day they made a gluten free pumpkin waffle that was wonderful (first waffle I've had in 3 years and it was worth the wait!). Second date I had a gluten free pumpkin muffin which was also very good. Cindy and Charles were also able to recommend several restaurants in the area that serve gluten free meals. Josh Grindle Inn is now our go-to bnb in Mendocino area!
When you let them know in advance their gluten free breakfast are great.