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2151-2153 Filbert St

Cow Hollow, SF 94123 0533031 2 units · 3 fl · 1909

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 Cow Hollow
Above average
avg 0.7
4
FewerMore

This building has 4 novs (7y), above the Cow Hollow average of 0.7.

Rent & eviction protection

Is 2151-2153 Filbert 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 1909
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
Floors3
Year built1909
Total area4,140 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0533031
Ownership

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

Owner name
2000 Kozma/Malone Family Tr
Mailing address
Sharon Malone & Robert Kozm 999 Green St San Francisco CA 94133
Last sale
030619

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.

2153 Filbert St, San Francisco, CA 94123
2151 Filbert St, San Francisco, CA 94123
Augrented Insights
AI summary

The three-story multi-family residential building at 2151-2153 Filbert Street in Cow Hollow, owned by 2000 Kozma/malone Family Tr, was constructed in 1909 and contains two legal dwelling units. The building has undergone several significant renovations, most notably a substantial 2018 renovation to unit #2153 that included kitchen and bathroom remodeling, wall modifications, footing work, and the addition of new fixtures, which was properly documented with building, plumbing, and electrical permits totaling approximately $55,000. Other documented improvements include a solar PV installation in 2008, various electrical upgrades in 2003, and sewer work in 2011. However, as of August 2024, the property is currently facing serious regulatory challenges following a complaint that revealed potentially unauthorized modifications, with inspectors noting evidence of at least three units having been constructed without proper permits or inspections between 1999-2008. This situation has resulted in multiple life safety violations being cited, including issues with egress, heating, fire safety, and proper habitation standards, leading to its designation as a nuisance property. The building's maintenance history includes roof replacements in 1993 and 2001, and it has recently experienced various street-related issues such as garbage debris removal, parking violations, and hazardous materials concerns, though these are primarily external to the building itself. While the recent renovation work demonstrates some level of property upkeep, the ongoing legal and safety compliance issues represent significant concerns that require attention.

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Risk rating

How 2151-2153 Filbert 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
76th percentile

Out of 861 buildings in this neighborhood, 207 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.

Construction spend, owner's portfolio

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

Building permits, owner's portfolio

Permits pulled across all of this owner's buildings over 7 years.

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 81.4%
Moderate concern 10.4%
Severe concern 8.2%
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

2151-2153 Filbert St event timeline

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

2026
Planning Project Jan 12
Legalization of Unauthorized Dwelling Unit at rear of second floor via the State ADU Process. (See "Historical narrative - 2151 #2 Filbert UDU conversion to ADU.pdf"). Note that per Planning Approval Letter 2025-002384PRJ a separate UDU was approved for removal due to substandard ceiling height. DBI approval (under permit application 2-25-0930-6430) is pending this current ADU conversion. Data in the Project and Land Use Tables reflects the removal approved by Planning.
Submitted

See all 10 events

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

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Every record we have

Full data for 2151-2153 Filbert 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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