I'm seriously doubting that mobiles are allowed. Even my little one red light town of 2500 has zoned against mobiles in the city limits. I cannot imagine a mobile being allowed in a subdivision as such nextdoor to those houses. Have you looked at it on the map? Your best bet to make certain of the zoning is to contact the listing agent, seller or the city for zoning details. A quick phone call will answer your query about that specific lot. Looks nice though, doesn't it?