Free SF apartment background check

580 41St Ave

Outer Richmond, SF 94121 1504014 2 units · 2 fl · 1916

This building has a higher-than-average number of open problems nearby. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Outer Richmond
At or below average
avg 0.7
0
FewerMore

This building has 0 novs (7y), at or below the Outer Richmond average of 0.7.

Rent & eviction protection

Is 580 41St Ave rent-controlled?

San Francisco's Rent Ordinance caps rent increases and provides eviction protection for most residential units built before 1979 with 2+ units. Here's how this building scores.

Built before 1979
Built 1916
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH2
Likely rent-controlled. Building age and unit count suggest this property falls under San Francisco's Rent Ordinance.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units2
Floors2
Year built1916
Total area3,205 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot1504014
Ownership

Registered owner per SF Assessor-Recorder (secured roll).

Owner name
Wong Kin Chuen & Linda
Mailing address
580 41st Ave San Francisco CA 94121
Last sale
000000

Landlord portfolio

Other SF properties this owner holds, with risk grades for each.

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Augrented Insights
Initial analysis

The two-unit residential building at 580 41st Avenue in San Francisco's Outer Richmond neighborhood is a two-story flats/duplex structure built in 1916, currently owned by Wong Kin Chuen & Linda. The building's documented history shows two significant structural improvements: in 1989-90, a horizontal addition was completed, and approximately 700 square feet of redwood siding was replaced, both of which were successfully completed according to records.

In recent years, the most notable and concerning pattern involves repeated parking violations, particularly instances of vehicles parking on the sidewalk near the property. Between 2022 and 2024, there were eight documented cases of illegal parking, with citations being issued in several instances (August 2022, November 2022, September 2023) while in other cases officers were unable to validate the violations or could not locate the offending vehicle. Two pavement defect reports were filed in 2015 and 2020, with one being completed and resolved, while the other was transferred for further handling. The most recent parking violations occurred in December 2024, suggesting this issue remains ongoing in the vicinity of the property, though these incidents primarily relate to public street parking rather than the building's operations or conditions.

AI-generated · may contain errors · check the source data tables below

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Risk rating

How 580 41St Ave's risk score is calculated

We trained a model on 7 years of SF DBI inspection data — notice of violation filings, complaint history, and owner track records. It estimates the probability that DBI inspectors will issue a Notice of Violation at this address in the next 12 months. Lower % = safer.

What the score means for you

Grade A–B — Low risk

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Grade C — Moderate risk

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Grade D–F — High risk

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
58th percentile

Out of 1040 buildings in this neighborhood, 437 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
86%
No DBI
violation
14%
DBI violation
likely
Model explanation

What's driving this score

The three data points that most influenced this building's risk rating — ranked by the weight the model placed on each one.

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

12-Month severity forecast
No violation 79.5%
Moderate concern 12.5%
Severe concern 7.9%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

580 41St Ave apartment reviews

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The story over time

580 41St Ave event timeline

Violations, complaints, fire incidents, permits, and buyouts — most recent records in order.

2026
DBI Complaint Jun 11
Date last observed: 01-may-26; time last observed: april 2026-may 2026; floor: both floor; exact location: main bldg; building type: residence/dwelling illegal unit; work w/o permit; illegal change of use; work being done in dangerous manner; ; additional information: the people living in this unit were constantly verbally and physically fighting during the time of when they claimed to be painting their house. however, multiple neighbors and i have witnessed them yelling at each other about building illegal rooms and not having a permit or reporting any of the remodeling to the city. this family is very volatile to each other and are constantly fighting. the house has been illegally remodeled more than once and they have never reported it to the city or gotten the correct permits.;
Code Enforcement Section

See all 1 events

Full history back to 2026 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 580 41St Ave apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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