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429-431 Bush St

Union Square, SF 94108 0287022 30 units · 5 fl · 1908

This building has a higher-than-average number of open problems nearby. Renters here report frequent, slow-to-fix problems. Get repair promises in writing and check the unit before signing.

NOVs (7y) vs. neighborhood
Compared to a typical building in Union Square
At or below average
avg 6.9
1
FewerMore

This building has 1 novs (7y), at or below the Union Square average of 6.9.

Rent & eviction protection

Is 429-431 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 1908
2 or more units
30 units
Property type
Multi-Family Residential
Zoning
C3O
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
Units30
Floors5
Year built1908
Total area17,185 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0287022
Ownership

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

Owner name
Petes Building Llc
Mailing address
Flynn Investments 1717 Powell St Ste 300 San Francisco CA 94133
Last sale
080902

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

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

429 Bush St, San Francisco, CA 94108
10 Mark Ln, San Francisco, CA 94108
431 Bush St, San Francisco, CA 94108
Augrented Insights
Initial analysis

The 429-431 Bush Street property is a five-story, 30-unit multi-family residential building constructed in 1908, currently operated by Petes Building LLC. The building has experienced several significant maintenance and safety-related events, most notably a series of multiple fire code violations throughout 2024, including issues with sprinkler/standpipe systems, exit maintenance, and general safety concerns. In early 2021, the building suffered fire and water damage in the basement, requiring extensive repairs to drywall, plumbing, and electrical systems, along with subsequent fire alarm system upgrades to meet current safety standards. The property has undergone several infrastructure improvements including boiler replacements (2011 and 2013), structural slab work (2012), and multiple plumbing and electrical upgrades.

Historical records show previous maintenance challenges, including a mold issue in 2012, and various building code violations related to security features and fire safety systems. The building's history includes the removal and attempted installation of Towerstream WiFi equipment between 2013-2015, and several routine inspections revealing various maintenance needs. Recent 311 calls from January 2025 indicate ongoing issues with waste management, particularly regarding overflowing city garbage cans outside the building. While many historical violations have been addressed and abated, the recurring nature of recent fire code violations suggests ongoing concerns regarding building safety systems, though these issues are being documented as corrected through official channels.

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

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Risk rating

How 429-431 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

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
53th percentile

Out of 38 buildings in this neighborhood, 18 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
10%
No DBI
violation
90%
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.

Neighborhood (ZIP code)

The ZIP code captures local housing market and enforcement patterns that affect all buildings in the area.

12-Month severity forecast
No violation 10.2%
Moderate concern 73.3%
Severe concern 16.5%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

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The story over time

429-431 Bush St event timeline

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

2026
311 Request Apr 13
Garbage and debris
human waste or urine

See all 17 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 429-431 Bush St apartments

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

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