In the states these are called a Physical Needs Assessment or a Property Condition Assessment and they will include an estimated useful life and replacement cost estimate for all the building's systems.

For instance, my assessed value for property tax purposes went from $229,000 to $273,000.

Unfortunatley you cannot just use a general percentage to calculate capex for a particular property, you have to assess the actual condition of your the property. 

The first 6% go straight to the investorsNext 6% are split 70/30 favoring investorsRemaining 88% are divided 60/40 favoring investorsHe also takes a modest property management fee: 4% of gross rental incomeBased on our financial assessment of this deal, including all of the above investment brokering + property management fees, he'd essentially be getting 13-14% of gross rental income.Finally, he gets a piece of the action when we sell the property: Net profit (sale price - investors' down payments - outstanding amount on mortgage) is divided 75/25 favoring investorsHow common is this structure in the industry?

@Chelsie Runnings  septic well etc in Lake county is completely different.. but some good came out that fire.. one of the OLD platted development  up hwy 175 right out of Middle town that burned to the ground they are now running sewer into it and all those lots that would not perc because they are only 5 to 10k sq ft will not become buildable. granted with a sewer bond assessement but still.. it will actually increase housing.. in reading the local paper though they are giving Harbin a hard time

I invested cash and my return has been quite good.I have not had HOA issues or assessments although I keep a large rainy day fund in case it comes.I did have competition from other units but I remodeled a tad higher taste (just a good combo of construction materials, nice colors and good workmanship) that appealed to the aspirational side of enters without screaming expensive, nor being expensive to me.I rented all units in a matter of days.

Tax assessments, market analyses by real estate brokers, etc., are not acceptable as proof of LTV compliance.

You need to assess your other sources of income and deductions as well. 

You might also tell the community the types of deals you would like to lend on and your terms, but in order to do that you would have to sign up for a Plus or Pro membership and post your terms in the marketplace section. 

They other issue with HOA's is that if they are irresponsibly managed you can have differed maintenance building up that may bite you in the a$$ later in the form of an increase or special assessment.