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145-147 College Ave

Bernal Heights, SF 94110 6692020 2 units · 2 fl · 1965

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 Bernal Heights
At or below average
avg 1.2
0
FewerMore

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

Rent & eviction protection

Is 145-147 College 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 1965
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH2
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 built1965
Total area2,089 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot6692020
Ownership

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

Owner name
Ng Simon
Mailing address
173 College Ave San Francisco CA 94112
Last sale
000000

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.

145 College Ave, San Francisco, CA 94110
147 College Ave, San Francisco, CA 94110
Augrented Insights
Initial analysis

The property at 145-147 College Avenue in Bernal Heights is a two-unit, two-story multi-family residential building constructed in 1965 and currently owned by Simon Ng. The building's maintenance and improvement history includes several building permits from previous decades, though none of the permits are currently active. These include a 2004 kitchen renovation featuring cabinet, tile, and countertop updates (valued at $5,000) and a 1987 installation of vinyl siding on the front and back of the building. A recent investigation into possible illegal short-term rentals was conducted in 2023, but this was resolved with no violation found.

The property has experienced some infrastructure challenges, most notably a sewage backup incident in December 2020 that was addressed and resolved by the PUC Sewer Operations team. The most significant pattern of issues documented through 311 calls relates to parking violations in the immediate vicinity, with multiple reports of vehicles blocking sidewalks or driveways between 2019 and 2024, though these are external to the building itself. The most recent incident involved a blocked sidewalk by an unregistered scooter in December 2024. A rent board inquiry in October 2024 confirmed that the property's units are already exempt from certain regulations, requiring no further action. The building and its surroundings have been generally well-maintained, with no major safety or habitability concerns reported through official channels.

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

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Risk rating

How 145-147 College 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
86th percentile

Out of 1276 buildings in this neighborhood, 179 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
85%
No DBI
violation
15%
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.

Neighborhood location

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

Neighborhood (ZIP code)

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

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

12-Month severity forecast
No violation 84.1%
Moderate concern 10.0%
Severe concern 5.9%
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

145-147 College Ave event timeline

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

No dated public records on file yet.
Every record we have

Full data for 145-147 College 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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