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513-519 Bush St

Union Square, SF 94108 0286022 26 units · 4 fl · 1907

A handful of records on file over the last seven years, and our model predicts a high risk of further maintenance problems in the next 12 months. A few records worth reading before you sign. Check whether they were closed out, and ask what was actually fixed.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in Union Square — not a forecast
At or below average
avg 7.1
0
FewerMore

This building has 0 novs (7y), at or below the Union Square average of 7.1.

This building's 81% risk is high in absolute terms; it still rates lower-risk here because buildings in Union Square generally score worse. The colour is relative to the neighborhood, the percentage is not.

Rent & eviction protection

Is 513-519 Bush St 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 1907
2 or more units
26 units
Property type
Multi-Family Residential
Zoning
C3R
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.

Statewide backstop · AB 1482

California Tenant Protection Act of 2019

Even when a building isn't covered by local rent stabilization, the statewide Tenant Protection Act (AB 1482) may still apply. It caps annual rent increases and requires the landlord to state a legal reason to end most tenancies.

15+ years since occupancy
Built 1907
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
Local rent control likely takes priority. This building appears to fall under the local ordinance above, which is stronger than AB 1482. Where a local just-cause ordinance applies, its rules govern instead of the state cap.

AB 1482 does not apply to single-family homes and condos unless owned by a corporation, REIT, or an LLC with a corporate member; to owner-occupied duplexes; or to deed-restricted affordable housing. The Act is in effect until January 1, 2030. Not legal advice — see the California landlord–tenant guide.

Building characteristics
Units26
Floors4
Year built1907
Total area9,556 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0286022
Ownership

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

Mailing address
Wu Jacquelyn Z Trustee 2111 Columbine Ct Gilroy CA 95020
Last sale
—

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

All street addresses sharing this blocklot that are covered by this report.

513 Bush St, San Francisco, CA 94108
517 Bush St, San Francisco, CA 94108
519 Bush St, San Francisco, CA 94108
515 Bush St, San Francisco, CA 94108
Augrented Insights
Initial analysis

The 26-unit, 4-story multi-family residential building at 513-519 Bush Street, built in 1907 and owned by Jack M Wu Separate Property, has experienced significant maintenance and safety issues in recent years, particularly regarding fire safety systems. Most concerning is the recent pattern of fire code violations, with multiple citations issued throughout 2023-2024 for problems including blocked exits, sprinkler/standpipe system issues, alarm system concerns, and sleeping area requirements. The building has also faced structural and safety challenges, notably a 2015 complaint about an allegedly illegal one-bedroom unit with inadequate egress and safety features. There are active complaints from 2024 regarding work done without proper permits, and the building has accumulated multiple instances of garbage and debris issues, as documented in recent 311 calls.

The property has undergone various permitted improvements over the years, including electrical upgrades (most recently a survey for a potential 400amp main disconnect change in September 2024), and commercial space renovations. Several building violations from 2000-2003 related to fire safety, elevator operation, and general maintenance issues were abated, but similar concerns have re-emerged in recent years. The retail spaces in the building have experienced periods of vacancy, as evidenced by multiple complaints about vacant storefronts between 2019-2024. Recent fire incidents within the building have been limited to non-injurious events, primarily involving false alarms and detector activations. The building's management has completed various required repairs and improvements over the years, but the recurring nature of fire safety violations suggests ongoing compliance challenges.

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

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Risk rating

How 513-519 Bush St'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

Lower risk — safer than most nearby

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

Typical — about average for the neighborhood

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

Higher risk — riskier than most nearby

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

Neighborhood percentile
73rdpercentile

Out of 38 buildings in this neighborhood, 10 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.

RiskiestSafest
Predicted 12-month outcome
19%
No DBI
violation
81%
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.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

Building size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

Permit rate, owner's portfolio

Per-building permit rate across the owner's portfolio.

12-Month risk forecast
High failure risk 81%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

513-519 Bush St apartment reviews

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On the map

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8 found
The story over time

513-519 Bush St event timeline

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

2026
311 Request May 16
Parking meter
Damage Property
Building PermitMay 13
Change of as-built for pa# 202601294832 and lf horn count.. revision of count/# of rooms.

See all 17 events

Full history back to 2019 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 513-519 Bush St apartments

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

Side by side

How 513-519 Bush St compares to the neighborhood

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