A best-effort public-source scan (as of September 4, 2026) of municipal and county pages in Santa Clara and San Mateo counties found 56 publicly accessible tennis facilities in 15 cities. Court counts were resolved for 28 of them, summing to 114 courts — a floor, not a regional total. Blanks below mean the source page did not state the detail; confirm before traveling.
Blue bar: facilities found. Green bar: known courts. Hatched grey tail marks facilities in that city with no court count published — those cities' totals are understated.
Method: public-source inventory of municipal, county and operator web pages for Santa Clara and San Mateo counties, scanned 2026-09-04; 56 facility rows across 15 cities. “Known courts” sums only counts explicitly published (114 across 28 facilities); 28 rows lack a count, 18 lack hours, 30 lack fees, 44 lack a booking method — blanks are shown as “not stated on source,” never assumed free or first-come. School courts included only where public use is explicitly stated; pickleball-only sites and private clubs excluded. Source pages and PDFs may be dated; confirm details before traveling.