To slightly over-simplify things, all web platforms ultimately produce HTML, which is what search engine webcrawlers "read" to look at your site.

Do they have a relationship with an architect and structural engineer who is reproducing the same plans at a discount rate and saving time because the plans have already been produced and vetted by the municipality leading to quicker permitting turnaround times?  

And when you mention the word wetlands, that adds more complexity and delays.What would the engineer be for?

Type Texas Department of Llicense Regulations down payment to contractors into your search engine.

I would like to see if there are any possible options of using an engineering system here for the septic system?

Quote from @Benjamin Dolly: I'm a 37-year-old high-earning W2 software engineer looking to get into real estate by investing in LTR single or multi-family homes, probably out of state.

I wonder how up to date such systems are on the current Airbnb algorithm and as they make changes?

I have and Engineering background and went back to school for an MBA, so I like numbers and very comfortable with data and building strategies.

So knowing this, you have to then get very granular and dig into the data on comps for the true differences between your property and the ones its pulling into its algorithm.

Single assets are typically pulled in algorithmically from local MLS.