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1519 Hudson Ave

Bayview, SF 94124 5259018 2 units · 2 fl · 1900

This building has significantly more problems than most nearby buildings. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Bayview
At or below average
avg 4.5
4
FewerMore

This building has 4 novs (7y), at or below the Bayview average of 4.5.

Rent & eviction protection

Is 1519 Hudson 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 1900
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH1
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 built1900
Total area1,580 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot5259018
Ownership

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

Owner name
Young Siu Ping
Mailing address
1519 Hudson Ave San Francisco CA 94124
Last sale
052901

Landlord portfolio

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

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Augrented Insights
Initial analysis

1519 Hudson Avenue is a two-story, two-unit multi-family residential building located in the Bayview neighborhood, owned by Young Siu Ping and constructed in 1900. The property has experienced significant and ongoing issues related to unauthorized modifications and safety compliance, most notably involving the addition of unauthorized bathrooms and kitchen facilities. In 2024, permits were issued to address violations from early 2023, including the removal of an unpermitted basement bathroom, restoration of an unauthorized kitchen to its original living room configuration, and merging of two bedrooms in unit B. These modifications were necessary to comply with an active building violation from February 2023 that documented several unauthorized improvements, including an unauthorized fourth bathroom, additional kitchen, and security gate that blocked shared egress between units.

The building has a history of maintenance issues and neighbor complaints dating back several decades, including termite damage repair in 1989 and stair repairs in 2001. Recent complaints from 2023-2024 have centered around shared infrastructure problems, including a leaking shared sewer line, unauthorized modifications to emergency exits, and blocking of common areas, particularly affecting the neighboring property at 1521 Hudson Avenue. These ongoing issues have resulted in multiple inspection requests and violation notices, with recent permits issued in October 2024 (both plumbing and electrical) indicating work to address these violations is actively ongoing. The property has also been subject to various planning records, including attempts to obtain variances for unpermitted modifications, though these requests have been marked as closed or withdrawn.

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

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Risk rating

How 1519 Hudson 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
14th percentile

Out of 382 buildings in this neighborhood, 329 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
32%
No DBI
violation
68%
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.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

Neighborhood location

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

Neighborhood location

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

12-Month severity forecast
No violation 23.7%
Moderate concern 33.2%
Severe concern 43.1%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
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The story over time

1519 Hudson Ave event timeline

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

2025
Building Permit Nov 14
Install security gate to back yard area.
$500 · Filed

See all 14 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1519 Hudson 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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