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1023-1025 Natoma St

South of Market, SF 94103 3511056 2 units · 2 fl · 1907

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 South of Market
At or below average
avg 3.3
0
FewerMore

This building has 0 novs (7y), at or below the South of Market average of 3.3.

Rent & eviction protection

Is 1023-1025 Natoma 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 1907
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
SLR
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 built1907
Total area2,488 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3511056
Ownership

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

Owner name
Brown Jennifer L
Mailing address
1025 Natoma St San Francisco CA 94103
Last sale
030708

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.

1023 Natoma St, San Francisco, CA 94103
1025 Natoma St, San Francisco, CA 94103
Augrented Insights
Initial analysis

This 2-unit multi-family residential building, located at 1023-1025 Natoma Street, was constructed in 1907 and is currently owned by Jennifer L. Brown. The building has a documented history of maintenance issues and code violations, particularly regarding plumbing systems, water damage, and heating systems. Notable problems include repeated plumbing issues between 2005-2015, involving sewer line failures, wastewater leaks, and a broken sink drain, which required multiple permits and repairs totaling several thousand dollars. There were also significant heating system problems, with tenant complaints about lack of heat occurring as recently as 2011, though these were eventually addressed through various heating system upgrades. Other completed maintenance work includes repairs to dry rot in rear stairs (2008), plumbing upgrades including a new trench drain (2021) and sewer system improvements (2015), and various interior repairs including wall and ceiling work (2016).

The building's recent history shows ongoing environmental challenges, as evidenced by multiple 311 calls in early 2025 regarding debris and waste on the property, particularly concerning human waste/urine and graffiti issues. There have been three documented fire incidents, though none resulted in civilian injuries or significant damage. The property was subject to a tenant buyout of $30,000 for two tenants in 2017, and a larger buyout of $95,000 for one tenant at 1035 Natoma Street in 2019. Recent complaints from January 2025 about garbage and debris, including human waste, suggest ongoing maintenance challenges in the immediate area, though these appear to be primarily street-level issues rather than directly related to the building's internal conditions.

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

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Risk rating

How 1023-1025 Natoma 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
70th percentile

Out of 430 buildings in this neighborhood, 129 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
80%
No DBI
violation
20%
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 (ZIP code)

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

DBI complaints, owner's portfolio

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

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 61.5%
Moderate concern 9.2%
Severe concern 29.3%
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

1023-1025 Natoma St event timeline

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

2026
311 Request Apr 26
311 service request
Encampment
311 RequestMar 22
Garbage and debris

See all 13 events

Full history back to 2021 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1023-1025 Natoma St apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

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