Nice coop, needs some ventilation work...open up those soffits(cover with 1/2" HC) and add louvered gable vents. Need some light too, so maybe glazed top hinged windows for more ventilation in summer and light in winter.
That run is sweet, will be 'easy' to add solid 'rafters' to hold mesh and...
Hmm... might not be high enough. Chickens can easily fly over 4' and can totally decimate vegetation in a matter of a few hours.
What will you do with the eggs? I assume these birds are still laying....tho they may lay out in range area.
This is where Romance meets Reality. Sure, they're all...
Couple red flags here....
They will free range amongst your veggie plants?
You know they can be incredibly destructive?
Pet rooster and hens?
Are they pets or egg/meat producers or pest control or...?
How many roosters?
Too many males can cause a lot of trouble.
BTW.. at 3 months they are...