Free SF apartment background check

2599 34Th Ave

Parkside, SF 94116 2435036 4 units · 2 fl · 1963

This building has more problems than most buildings in this neighborhood. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Parkside
At or below average
avg 0.8
0
FewerMore

This building has 0 novs (7y), at or below the Parkside average of 0.8.

Rent & eviction protection

Is 2599 34Th 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 1963
2 or more units
4 units
Property type
Multi-Family Residential
Zoning
NC1
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
Units4
Floors2
Year built1963
Total area3,158 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot2435036
Ownership

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

Owner name
Lo Mark & Tan Sharon
Mailing address
Mark Lo & Sharon Tan 1026 Murchison Dr Millbrae CA 94030
Last sale
101911

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-story, four-unit multi-family residential building at 2599 34th Avenue in Parkside, owned by Lo Mark & Tan Sharon, has been maintained through several significant improvements since its 1963 construction. Notable renovations include a complete reroofing project in 2007 costing $15,300, and a substantial window replacement and exterior renovation in 2004 which involved removing stucco and wood siding from the east wall, with costs increasing to $35,000. The building has undergone regular housing inspections in 1999, 2001, 2003, and 2008, which were all completed without any noted ongoing issues.

Recent history from 2023-2025 shows several maintenance and infrastructure concerns, including a water leak reported in January 2025 and a sewage backup discharge incident in September 2024, though no overflow was observed upon inspection. The property has experienced recurring issues with garbage and debris on or near the premises, as evidenced by multiple reports throughout 2024. Two fire alarm incidents were recorded, one related to a malfunctioning smoke detector and the other an unintentional alarm activation, though neither resulted in any injuries or fires. A fire safety concern was raised in June 2019 regarding blocked exits, but this complaint was found to have no merit upon investigation. The building's maintenance history and recent service calls suggest ongoing attention to basic infrastructure needs, with particular attention required for waste management and plumbing systems.

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

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Risk rating

How 2599 34Th 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
20th percentile

Out of 255 buildings in this neighborhood, 204 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
54%
No DBI
violation
46%
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.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

Neighborhood location

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

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

12-Month severity forecast
No violation 35.8%
Moderate concern 24.7%
Severe concern 39.5%
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

2599 34Th 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 2599 34Th 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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