Division I
#1 Dougherty Valley beat #16 Antioch 84-52
#9 Mt. Eden beat #8 Berkeley 59-51
#4 Liberty beat #13 Irvington 64-37
#5 Moreau Catholic beat #12 Castro Valley 70-33
#2 Clayton Valley Charter beat #15 Heritage 46-23
#10 Foothill beat #7 Amador Valley 55-33
#3 Bishop O'Dowd beat #14 Logan 73-38
#11 Monte Vista beat #6 California 65-62
Quarterfinals on February 18: #9 Mt. Eden at #1 Dougherty Valley; #5 Moreau Catholic at #4 Liberty; #10 Foothill at #2 Clayton Vally Charter; #11 Monte Vista at #3 Bishop O'Dowd
Division III
#1 St. Patrick-St. Vincent beat #16 Kennedy-Fremont 67-48
#8 Sonoma Valley beat #9 Alhambra 55-47
#4 Archie Williams beat #13 Rancho Cotate 76-38
#12 Hayward beat #5 Pinole Valley 63-54
#2 Branson beat #15 Novato 54-39
#7 West County beat #10 Albany 53-45
#3 Piedmont beat #14 San Rafael 74-45
#11 Encinal beat #6 Piner 48-44
Quarterfinals on February 18: #8 Sonoma Valley at #1 St. Patrick-St. Vincent; #12 Hayward at #4 Archie Williams; #7 West County at #2 Branson; #11 Encinal at #3 Piedmont
Division V
#1 Cloverdale beat #16 Upper Lake 87-62
#8 St. Vincent beat #9 Technology 49-42
#4 Urban beat #13 Berean Christian 54-37
#5 International beat #12 St. Helena 51-38
#2 Head-Royce beat #15 Drew 63-36
#7 Marin Academy beat #10 Sonoma Academy 49-39
#3 Athenian beat #14 Redwood Christian 78-56
#6 Clear Lake beat #11 Cornerstone Christian 63-52
Quarterfinals on February 18: #8 St. Vincent at #1 Cloverdale; #5 International at #4 Urban; #7 Marin Academy at #2 Head-Royce; #6 Clear Lake at #3 Athenian
#1 Dougherty Valley beat #16 Antioch 84-52
#9 Mt. Eden beat #8 Berkeley 59-51
#4 Liberty beat #13 Irvington 64-37
#5 Moreau Catholic beat #12 Castro Valley 70-33
#2 Clayton Valley Charter beat #15 Heritage 46-23
#10 Foothill beat #7 Amador Valley 55-33
#3 Bishop O'Dowd beat #14 Logan 73-38
#11 Monte Vista beat #6 California 65-62
Quarterfinals on February 18: #9 Mt. Eden at #1 Dougherty Valley; #5 Moreau Catholic at #4 Liberty; #10 Foothill at #2 Clayton Vally Charter; #11 Monte Vista at #3 Bishop O'Dowd
Division III
#1 St. Patrick-St. Vincent beat #16 Kennedy-Fremont 67-48
#8 Sonoma Valley beat #9 Alhambra 55-47
#4 Archie Williams beat #13 Rancho Cotate 76-38
#12 Hayward beat #5 Pinole Valley 63-54
#2 Branson beat #15 Novato 54-39
#7 West County beat #10 Albany 53-45
#3 Piedmont beat #14 San Rafael 74-45
#11 Encinal beat #6 Piner 48-44
Quarterfinals on February 18: #8 Sonoma Valley at #1 St. Patrick-St. Vincent; #12 Hayward at #4 Archie Williams; #7 West County at #2 Branson; #11 Encinal at #3 Piedmont
Division V
#1 Cloverdale beat #16 Upper Lake 87-62
#8 St. Vincent beat #9 Technology 49-42
#4 Urban beat #13 Berean Christian 54-37
#5 International beat #12 St. Helena 51-38
#2 Head-Royce beat #15 Drew 63-36
#7 Marin Academy beat #10 Sonoma Academy 49-39
#3 Athenian beat #14 Redwood Christian 78-56
#6 Clear Lake beat #11 Cornerstone Christian 63-52
Quarterfinals on February 18: #8 St. Vincent at #1 Cloverdale; #5 International at #4 Urban; #7 Marin Academy at #2 Head-Royce; #6 Clear Lake at #3 Athenian