So consider the option of adding a second ADU instead of enlarging an existing unit.

It's far cheaper than a plan change or new envelope opening (adding or enlarging windows). 

Obviously, I didn't sign that.Click Image to enlarge:

HUD does not allow you to enlarge any windows or doors, add weight to the roof, or to replace any wall material with something heavier (for example, replacing paneling with drywall).

Time to dig out the sand and dirt from the second hole and enlarge it to 12 inches. 

If appfolio were to either acquire or partner with paylease.com or rentpayment.com (yapstone inc), or paynearme.com enlarges its footprint, they would add a lot of value to landlords like me with under 50 or 100 units who want cash rent payments.Note: leaning towards buildium & definately paylease now.

Expenses that may result in a betterment to your property include expenses for fixing a pre-existing defect or condition, enlarging or expanding your property, or increasing the capacity, strength, or quality of your property.Restoration.

There are multiple factors involved.One is that the opening through the floor will need to be enlarged.

"No sign shall be erected, raised, installed, moved, placed, replaced, reconstructed, remodeled, extended, enlarged or altered unless a sign permit is first obtained from the Community Development Department."

I didn't see it until I enlarged the photo :-P