Free SF apartment background check

152-158 Pfeiffer St

Telegraph Hill, SF 94133 0054027 4 units · 2 fl · 1907

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 Telegraph Hill
At or below average
avg 1.2
0
FewerMore

This building has 0 novs (7y), at or below the Telegraph Hill average of 1.2.

Rent & eviction protection

Is 152-158 Pfeiffer 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
4 units
Property type
Multi-Family Residential
Zoning
RH3
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
Units4
Floors2
Year built1907
Total area3,100 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0054027
Ownership

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

Owner name
Woo Family Trust
Mailing address
Richard & Doris Woo, Truste 1755 Beach St San Francisco CA 94111
Last sale
071106

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.

154 Pfeiffer St, San Francisco, CA 94133
156 Pfeiffer St, San Francisco, CA 94133
158 Pfeiffer St, San Francisco, CA 94133
152 Pfeiffer St, San Francisco, CA 94133
Augrented Insights
Initial analysis

The Woo Family Trust owns this 2-story, 4-unit multi-family residential building located at 152-158 Pfeiffer Street in Telegraph Hill, which was constructed in 1907. The building has undergone several significant fire safety updates in recent years, most notably a complete fire alarm system upgrade in December 2024 costing over $29,000, following a cancelled $40,000 upgrade attempt in March 2024. The fire safety improvements include the installation of low-frequency sounders in sleeping areas and updating existing devices to be compatible with the new fire alarm control panel, as confirmed by an electrical permit issued in August 2024. The building had a series of violations in September 2005 that were all addressed and abated by December 2005, including issues related to smoke detectors, the central alarm system, fire extinguishers, wooden stairs, and gas utility shutoff requirements.

More recently, the property has experienced some exterior maintenance challenges, with multiple pavement defects reported in 2023, and instances of construction equipment blocking the sidewalk in August 2023. The most recent issues appear to be primarily related to street infrastructure rather than the building itself. The building's history includes routine inspections dating back to 2001, 2005, and 2010, all of which were resolved, and various 311 calls regarding the surrounding area, including parking enforcement and street cleaning matters. The property has demonstrated ongoing commitment to fire safety upgrades, as evidenced by the recent fire alarm system improvements.

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

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Risk rating

How 152-158 Pfeiffer 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
78th percentile

Out of 684 buildings in this neighborhood, 150 are predicted to be safer.

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

Neighborhood location

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

Owner's portfolio size

Number of SF parcels this owner is registered on — larger portfolios have distinct risk patterns.

12-Month severity forecast
No violation 80.4%
Moderate concern 5.5%
Severe concern 14.1%
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

152-158 Pfeiffer St event timeline

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

2024
Building Permit Dec 10
Upgrade existing fire alarm system to comply with sffc section 1103.7.6.1
$23,500 · Complete
Electrical PermitAug 31
Online electrical permit: 60 of buildings of 6 dwelling units or less. modification of an existing fire alarm system by upgrading the fire panel, update all existing devices to be compatible with new facp and provide low frequency sounders in all sleeping areas to meet

See all 5 events

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

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Every record we have

Full data for 152-158 Pfeiffer St 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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