Check out other online guides available here: https://www.biggerpockets.com/guides3.

Network with commercial brokers and ask them for referrals to reputable investors.   

It's helpful to work with a reputable team.

Looks like they are a public company so there should be plenty of historical information online about them.Penn Capital Short Duration High Income Fund | penncapital

I would go back to that company as you are doing and reconcile this, bring plans, drawings, the license number and permit number with you to make sure you show you are doing it all within the city regs too so they can get you back online. 

Here is another ministry that is reputable and is on ground zero helping hurricane victims and will be rebuilding homes in the coming year....Christian Aid Ministries. 

It's helpful to work with a reputable team.

Our properties are a strong mix of appreciation, rent growth and cashflow positive in year 1.Going on 6 years I have never had to even give any late notices, etc. for my northside chicago rentals, it's multiple applicants 700+ scores when list the units online. 

Also, check out online reviews to see what other landlords and tenants say about their services.

Traditional banks , online lenders or?