For the HOA range, I think the DC and SF market are similar. DC was awhile ago for me but I have friends in SF highrises and I think their HOAs are ridiculous.

https://www.redfin.com/CA/San-Francisco/333-Main-St-94105/unit-7G/home/17305933

$842/month for a 837 square foot condo. (doesn’t look like tax included in the HOA description).

https://www.redfin.com/CA/San-Francisco/333-Beale-St-94105/unit-2B/home/103722208

$1,056/month in a brand new building 1b/2ba condo.