Most listings are in the $30's per square foot per year. The Lake Arrowhead region is seeing a a rise in rates. In the last 3 months, the median rate increased $36 per sqft per year. That's a Inf% increase in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Lake Arrowhead region has greater rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 1 listings have come on the market, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 100% of the listings in the Lake Arrowhead are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,420 sqft. Most buildings in this area were built in 1981 and are Class A.