Free SF apartment background check

147-151 Page St

Hayes Valley, SF 94102 0853018 8 units · 3 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 Hayes Valley
At or below average
avg 2.3
0
FewerMore

This building has 0 novs (7y), at or below the Hayes Valley average of 2.3.

Rent & eviction protection

Is 147-151 Page 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 1900
2 or more units
8 units
Property type
Multi-Family Residential
Zoning
NC3
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
Units8
Floors3
Year built1900
Total area4,560 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0853018
Ownership

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

Owner name
Harry S & Jin Sue Heung Fon
Mailing address
Fong Jin Sue Heung & Lum An 175 Rolph St San Francisco CA 94112
Last sale
090613

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.

151 Page St, San Francisco, CA 94102
147 Page St, San Francisco, CA 94102
149 Page St, San Francisco, CA 94102
Augrented Insights
Initial analysis

The 8-unit apartment building at 147-151 Page Street in Hayes Valley is a 3-story, multi-family residential property built in 1900, currently owned by Harry S & Jin Sue Heung Fon. The building has undergone several significant improvements, most notably completing a mandatory soft-story retrofit in 2016 (with a cost of $76,000) to enhance earthquake safety. More recent maintenance includes a $25,000 reroofing project completed in 2020. The building has a documented history of maintenance and safety issues, particularly in 2016-2017, when multiple violations were recorded and subsequently resolved, including problems with windows, plumbing (leaking sink), interior surfaces (walls and ceilings), and the need for various safety certificates (smoke detectors, structural maintenance). Notable recent work includes two street space permits in 2016, and electrical system upgrades including a panel swap in 2015.

The property experienced some concerning incidents in its recent history, including complaints about a broken sewer line allegedly related to foundation work in 2016, multiple fire safety violations in 2019 (though these were abated), and storage violations affecting mechanical and electric rooms. The building's fire safety systems have undergone periodic review, with installations dating back to 1995 for automatic fire sprinkler systems on multiple floors. Recent maintenance of the property has included addressing various infrastructure issues, as evidenced by the completion of multiple repair and maintenance permits over the years. The building's most recent soft-story retrofit classification was listed as Tier 3, with work completed and a Certificate of Final Completion issued. The property has experienced recurring issues typical of older buildings, including plumbing, electrical, and fire safety concerns, though many of these have been addressed through permit work and inspections.

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

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Risk rating

How 147-151 Page 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
20th percentile

Out of 1027 buildings in this neighborhood, 822 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
44%
No DBI
violation
56%
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 (ZIP code)

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

Building age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

12-Month severity forecast
No violation 28.9%
Moderate concern 21.6%
Severe concern 49.5%
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

147-151 Page St event timeline

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

2026
Electrical Permit May 26
Ref: witness test fee for e202605261149
Issued
Electrical PermitMay 26
Online electrical permit: category 4a: installation of fire warning and controlled devices of 2,501 - 5,000 ft².

See all 9 events

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

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Every record we have

Full data for 147-151 Page 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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