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2730 23Rd St

Inner Mission, SF 94110 4153017 3 units · 2 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 Inner Mission
Above average
avg 2.6
5
FewerMore

This building has 5 novs (7y), above the Inner Mission average of 2.6.

Rent & eviction protection

Is 2730 23Rd 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
3 units
Property type
Multi-Family Residential
Zoning
RM1
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
Units3
Floors2
Year built1900
Total area3,640 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot4153017
Ownership

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

Owner name
Franz Von Uckermann Est Of
Mailing address
Robert Noelke Executor 1074 Tennessee St San Francisco CA 94107
Last sale
120417

Landlord portfolio

Other SF properties this owner holds, with risk grades for each.

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Augrented Insights
Initial analysis

The property at 2730 23rd Street in San Francisco's Inner Mission neighborhood is a 2-story, multi-family residential building constructed in 1900, currently containing 3 units but undergoing significant recent modifications to add additional living space. The building is currently undergoing substantial renovations, including the addition of three new Accessory Dwelling Units (ADUs) on the first floor, as evidenced by multiple permits issued in 2023 and 2024 totaling over $600,000 in planned improvements. These renovations include seismic retrofitting work, foundation replacements, and the installation of new plumbing and electrical systems across all units, with permits showing work on Units 1 through 4. During this renovation period, the property has experienced several building violations, particularly in 2023 related to weather protection and lead abatement procedures, though these violations were subsequently abated by July 2023.

The building's recent history shows significant activity regarding tenant buyouts, with a documented buyout of three tenants for $115,000 in October 2023, raising questions about the building's current occupancy status. Prior to these recent changes, the property had faced several compliance issues in 2022-2023, including problems with vacant building registration and storefront conversion violations, though these issues were marked as not active by July 2023. The property has a history of maintenance and compliance challenges, including sidewalk and street cleanliness issues and building graffiti, which have been addressed through various channels. The extensive range of recent permits and major construction work suggests a substantial transformation of the building's residential capacity, though the status of the original commercial space and its conversion remains a noted concern in planning records.

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

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Risk rating

How 2730 23Rd 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
15th percentile

Out of 2380 buildings in this neighborhood, 2023 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
36%
No DBI
violation
64%
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.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

Property class: apartment building

Apartment building — this property classification influences expected violation rates.

Neighborhood location

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

12-Month severity forecast
No violation 21.5%
Moderate concern 68.7%
Severe concern 9.8%
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

2730 23Rd St event timeline

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

2026
311 Request Jun 04
Encampment
Encampment
311 RequestMay 27
Landscaping

See all 31 events

Full history back to 2022 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 2730 23Rd 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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