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790 46Th Ave

Outer Richmond, SF 94121 1599021 2 units · 1 fl · 1914

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 Outer Richmond
At or below average
avg 0.7
0
FewerMore

This building has 0 novs (7y), at or below the Outer Richmond average of 0.7.

Rent & eviction protection

Is 790 46Th 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 1914
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
Floors1
Year built1914
Total area1,340 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1599021
Ownership

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

Owner name
Calvin & Mary Tom Tr
Mailing address
Tom Mary Trustee 658 38Th Ave San Francisco CA 94121
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.

4450 Cabrillo St, San Francisco, CA 94121
790 46th Ave, San Francisco, CA 94121
Augrented Insights
Initial analysis

The two-unit residential building at 790 46th Avenue in San Francisco's Outer Richmond district has undergone significant maintenance and improvements since its construction in 1914. The property has a documented history of termite and water damage issues in 2003, requiring multiple repairs totaling over $50,000, including work on siding, bathrooms, and interior spaces. In 2012, the electrical system was upgraded with a 200-amp service and new meters. More recently, the property has faced several infrastructure challenges, including a sewage backup incident in February 2024 and a concerning pattern of garbage and debris issues in the immediate vicinity, with multiple reports filed throughout 2024. The building underwent some internal improvements in 2003, including bathroom, bedroom, and living room remodeling with electrical upgrades, and in March 2024, there was a parking enforcement issue involving a blocked driveway that resulted in a citation.

The property's maintenance record shows attention to both residential and commercial aspects, given its mixed-use designation, with historical records indicating past restaurant/kitchen operations from 1985. A tenant buyout occurred in October 2018, with one tenant receiving $10,000. The building's exterior has received various attention over the years, including window replacements in 2003 and reroofing work completed in 1992. Recent 311 calls indicate ongoing challenges with street cleanliness in the immediate area, though these appear to be more neighborhood-wide issues than building-specific concerns. The most recent building permit activity was in 2015 for street space use, though this was a minimal cost permit.

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

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Risk rating

How 790 46Th 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
35th percentile

Out of 1040 buildings in this neighborhood, 676 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
81%
No DBI
violation
19%
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.

Building age

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

Construction spend, owner's portfolio

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

12-Month severity forecast
No violation 72.4%
Moderate concern 20.6%
Severe concern 7.1%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

790 46Th Ave apartment reviews

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The story over time

790 46Th Ave event timeline

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

2024
311 Request Aug 23
Damaged tree
fallen tree
311 RequestApr 08
Blocking driveway cite tow

See all 2 events

Full history back to 2024 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 790 46Th 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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