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39-41 Fortuna Ave

Anza Vista, SF 94115 1115010 2 units · 2 fl · 1948

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 Anza Vista
At or below average
avg 1.2
0
FewerMore

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

Rent & eviction protection

Is 39-41 Fortuna 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 1948
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH1
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 built1948
Total area3,840 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot1115010
Ownership

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

Owner name
Ruby Tsang Separate Propert
Mailing address
Ruby Tsang Trustee 41 Fortuna Ave San Francisco CA 94115
Last sale
082597

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.

39 Fortuna Ave, San Francisco, CA 94115
41 Fortuna Ave, San Francisco, CA 94115
Augrented Insights
Initial analysis

The two-unit residential building at 39-41 Fortuna Ave in the Anza Vista neighborhood is a two-story flats and duplex structure built in 1948 and currently owned by Ruby Tsang Separate Propert. The building's maintenance history shows several significant improvements, including a complete reroofing project in 2004 costing $13,500 and repairs to dry rot in the front balcony area in 2000 at a cost of $4,000. An expired permit from 1994 indicated plans for kitchen cabinet replacement and restroom fixture updates, while another completed permit from 1982 documented the building's use as a dwelling.

The property has experienced relatively few recent issues, with only one notable incident in the past decade: a building inspection request in August 2021 that was transferred to the DBI Support Services. Other reported incidents near the property were unrelated to the building itself, including a temporary abandoned vehicle in 2016, a streetlight flickering issue in October 2016 that was resolved by the PUC, and illegal postings in February 2015 that were addressed by DPW Ops. The building's documented history suggests regular maintenance and prompt attention to structural issues when they arise, with no recent pattern of safety or resident experience concerns identified in the available records.

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

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Risk rating

How 39-41 Fortuna 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
76th percentile

Out of 136 buildings in this neighborhood, 33 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
88%
No DBI
violation
12%
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.

Building size

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

Construction spend, owner's portfolio

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

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 64.6%
Moderate concern 17.9%
Severe concern 17.5%
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

39-41 Fortuna 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 39-41 Fortuna 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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