If it helps, I've inserted a link to Cape Coral's permitting site below where you can check the status of work progress and inspections. 

I'm a contractor and just did a bid on an SB9 project in Los Angeles County - Altadena area (building permit jurisdiction).

The owner can designate a host who shall be responsible, and authorized, to act on the owner's behalf to promptly remedy any violation of these standards or the permit.

There are no restrictions on foreign property ownership in Portugal and transaction costs are generally low.Portugal will grant a 5-year residency permit to non-EU citizens through Real estate investment (the program is called Golden Visas, look it up).

I think he calls it "pre-development" & goes over subdividing, entitlements, permits, etc.  

Our local towns and rental assistance programs really appreciate those that try to work with their tenants which has helped me several times through easier permitting processes.

That's not exactly an up and coming area -- I'd research who built them - can likely find that by going to the SG County Recorded Docs site or by seeing who pulled the permits during const -- Wichita has been on a duplex building boom -- look at the tax value -- They probably have that or less in it on the build - I also doubt they were built to be quality long term -- things such as the trim/cabinets etc -- they all look like the cheapest stuff a guy could buy - if the cabinets aren't oak and there is MDF or pine trim and pre-hung doors with engineered wood jams I'd run.  2-3 yrs ago for $180k -205 or so you could buy duplexes in Maize, Kechi, Valley center all day to builders that were selling them off to investors - not worth that in that area.

Contract does state: "Nothing in this Contract shall be interpreted to permit Seller to provide false, misleading, or fraudulent information to Buyer." 

Duplex Development Made Easy - SB 9 permits property owners to convert single-family lots into duplexes.

I expect you will need a permit and not be issued one.