491 31ST AVE
Outer Richmond · San Francisco, CA · Parcel 1463053 · Last violation Apr 27, 2026 · Last complaint Jul 8, 2026
NeighborhoodOuter Richmond
More violations than 84% of nearby buildings
More violations than 84% of buildings and more complaints than 85% of buildings in Outer Richmond.
Size-normalized against residential buildings in the neighborhood.
Activity TrendsLast 5 years
A steady level of activity over time
Last 2 yrs: 2 violations · 13 complaints
Severityⓘopen violations
2 open DBI violations
Active Notices of Violation issued by the Department of Building Inspection.
Open fire-safety violations0
Open lead violations0
311 Housing Complaints
Total complaints since 2017
35
4 per year avg.→ Stable in the last 2 years
Reported issues
12
Heatⓘ5
Leadⓘ0
Pestsⓘ4
Dept. of Building Inspection Violations
Total violations since 2015
15
1 per year avg.— Not enough history to determine trend
Open violations
2
Fire safetyⓘ0
Leadⓘ0
Illegal Construction No Permit Exceeds Permit Scope8 complaints
Infestation Rodent Insect4 complaints
Plumbing Broken Leaking4 complaints
Hot Water Lack Of Hot Water4 complaints
General Maintenance Not In List Above4 complaints
Fire Alarm System3 complaints
Mail Service Delivery Problem2 complaints
Doors Windows Broken Defective2 complaints
Heat Lack Of Heat1 complaints
Clutter Hoarder Unit Interior Storage1 complaints
Garbage Receptacles1 complaints
Bathroom1 complaints