ALL in , ARV, RE is nothing but math, but YOU and only you need to know the numbers. 

This can give you the opportunity to possibly add more units within an existing property or even build additional units in the future. 

I'm an agent, RE investor and developer in central Houston so Feel free to reach out with any questions. 

Do I need to find a RE attorney and CPA for this, or is it fairly straight forward?

I have a state license and NMLS in Oregon were its required  same with CA  you can lend money there legally with those license or a RE brokers license which I have one of those. 

Let’s chat for future deals.

You are going to be very bored when you retire young so start building your REI portfolio so you can travel and visit your properties and continue to build your portfolio and future wealth through passive income.

Also looking for ways to generate more RE investor leads.

Here's a PARTIAL list:Office rentComputers, printers & softwareInternet & phone billOffice furnitureOffice supplies: paper, postage, ink, etc.Office liability insuranceAuto expenses: monthly payment, insurance, gas, maintenance, registration/plate feesBroker license fees: annual, monthly board & MLS fees, continuing education fees, E&O insuranceEquipment: lockboxes, signs, etc.Payroll & payroll taxesBusiness income tax preparation and paymentsLabor: answering phones, calling past due tenants, scheduling tours, taking marketing pics, processing those pics, writing ads, researching rent amounts, posting ads, explaining to owners how rent determined & showing where ad posted, opening & processing mail, posting payments, bank deposits, scanning documents & posting to owner & tenant portals, explaining accounting to owners so they understand their monthly statements, taking pics/videos of repairs, finding reputable handymen and contractors, confirming they're properly licensed & insured and tracking annually, verifying repairs done properly, processing invoices for utility bills, repairs, taxes, city inspections, scheduling periodic property evaluations/inspections with tenants that don't want strangers in their homes, explaining to owners why taking so long, and more & more & more...

You didn’t mention vacation areas like Tahoe, Smokies, Outer Banks, Myrtle Beach, etc where STR has been legal & welcomed for 100 years & should continue to be long into the future