Since Allstate caps property coverage at $750K, I’m specifically looking for supplemental insurance options to bridge the gap.

There are more insurers in this space than ever. 

We're going to see insurance rates climb for quite a while.

A lot of investors are jumping to secondary lines of insurance coverage and the problem with those is that the companies are based in the Cayman Islands or the Bahamas a lot of the time, and it is suspect that they would actually pay out if the need arose unfortunately.   

The project will start soon, and I believe it will take that long for the construction company to complete the work on all the buildings.I have landlord insurance with State Farm, which includes coverage for loss assessments that should cover this amount.

Quote from @Jerry Zigounakis: This just in from proper insurance"Thank you for your interest in Proper Insurance® Due to strict brush/forest fire scrutiny, our program underwriters have declined your property coverage.

Obie provides non-admitted coverage though so it's different than Foremost in most areas.That said, Obie does not insure mobile homes @Rachel H.

But one tool that often gets overlooked in the wealth-building strategy is life insurance - and it can be a powerful asset for your real estate business. 

Our current insurance company decided to not renew the policy.

A tenant has no reason to provide liability coverage to the landlord and the rights given to an additional insured.