CBP data indicates that there are more establishments categorized as health care and social assistance businesses with between five and nine employees in San Mateo County zip codes than in any other category.
The following table shows how many real estate, rental and leasing businesses with between five and nine employees were in San Mateo County zip codes during the period from 2012 to 2016.
Real estate, rental and leasing businesses with between five and nine employees in San Mateo County (2012-2016)
Year
Total businesses
2012
153
2013
162
2014
165
2015
162
2016
169