Which Properties Are Inspected and What Do Inspectors Find
The vast majority of inspections were conducted at multi-family dwellings, including apartment buildings and residential properties ranging from small 5-unit walk-ups to large complexes with 100 or more units. Hotels account for most of the remainder, with a small number of SRO, residential hotel, and general housing inspections. This reflects the composition of LA County’s rental housing stock subject to routine Environmental Health inspection.
Property Type Breakdown
48,085 total inspections. Within each category, percentages show the breakdown by building size.
92%
Multi-Family Dwellings
44,310 inspections
Apartment buildings and residential properties with 5 or more units, ranging from small walk-ups to large complexes with 100+ units.
5-20 units82.8%
21-100 units15.3%
101+ units1.9%
8%
Hotels
3,764 inspections
Short-term and long-term lodging facilities with 6 or more rooms, from budget properties to larger hotels.
6-50 rooms62.1%
51-100 rooms15.9%
101+ rooms22.0%
<1%
SRO and General Housing
11 inspections
Shown as the source labels them: SRO and residential hotels (8 inspections) and general housing (3 inspections). Both are included in the dataset totals but are too few to break out as their own property-type category.
What are these properties failing? The most common violations involve the parts of a building that tenants share every day: hallways, stairwells, common areas, and trash areas. Peeling paint, damaged walls and ceilings, broken screens, and debris are the conditions inspectors found most often. These are not sudden failures. They are the kinds of problems that build up over time in buildings that are not being regularly maintained.
More Than 1 in 4 Violations Involve Damage to Walls, Ceilings, and Floors
The following violations were found across the 16,279 inspections that recorded at least one violation.
Showing the 10 most frequent violation types, which together account for 61.1% of all 37,026 violation records.
Wall, ceiling, and floor categories combined account for 26.8% of all violations.
1
1 in every 10 violations
Wall/Ceiling/Floor Damage: Common Areas
3,553
2
1 in every 11 violations
Debris or Waste: Common Areas
3,464
3
1 in every 15 violations
Missing Vent Screens: Common Areas
2,411
4
1 in every 16 violations
Window/Screen Damage: Common Areas
2,387
5
1 in every 16 violations
Peeling Paint: Common Areas
2,301
6
1 in every 16 violations
Wall/Ceiling/Floor Damage: Unit Interior
2,254
7
1 in every 18 violations
Refuse Area or Bins: Common Areas
2,098
8
1 in every 24 violations
Stair Defects: Common Areas
1,519
9
1 in every 27 violations
Window/Screen Damage: Unit Interior
1,372
10
1 in every 29 violations
Owner/Responsible Person Not Onsite
1,262
Violation descriptions simplified from LA County Environmental Health source data for readability. Original codes available on the LA County Open Data Portal.
What This Suggests
92% of these inspections, 44,310 of 48,085, happened at multi-family rental buildings of five or more units. Whatever inspectors find in this dataset, renters are the ones living with it.
Three patterns in what's being found
Building fabric
Wall, ceiling, and floor damage is the largest grouping, more than 1 in 4 of all 37,026 violations; the two largest single categories are common-area damage (the most frequent violation type overall, 3,553 records) and unit-interior damage (2,254).
Shared spaces
Seven of the ten most frequent violation types are common-area conditions: hallways, stairwells, refuse areas, the parts of a building no single tenant controls.
Severity profile
94% of violations are non-critical, the maintenance-and-habitability tier rather than emergencies, a pattern of slow, ongoing wear rather than sudden failure.
This combination matters for who can act on it. A tenant can report conditions inside their own unit. The most common violations in this dataset sit in spaces no individual tenant is responsible for, in buildings where the owner receives the inspection report and the correction deadlines. When the inspector doesn't come, the conditions most likely to go unrecorded are precisely the shared-space ones.
The County's own Healthy Homes Advisory, printed on the inspection report itself, warns that water intrusion “can lead to mold growth and costly structural damage.” Fabric damage is the category that compounds: what costs a repair when found early costs a remediation when found late.
The questions this raises
When the most frequent violations are in shared spaces, who in the building reports them?
And what is accumulating, unrecorded, in the buildings that have not seen an inspector since 2023?
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Who should read this
Tenant advocacy organizations, renters in buildings of five or more units, and the property owners responsible for correcting what inspectors find.