When appraising commercial real estate

[Dustin T]

I've had my eyes on a building for 2 years now. the owner made mention of a price around $1.5M. it's currently monthly rent income is around $12K/month. all tenants but one have been there for at least 12 months are looking good. however, i think the building is over priced.

How do I get figure an accurate appraisal of this building? Also, what some of the recommened forms of financing for a purchase such as this? I'm still in an exploratory stage, but our company is doing quite well, and would be one of the tennants. so i'd like to make these types of investments early on if at all possible.

thanks,
Dustin