Free SF apartment background check

3357 Folsom St

Bernal Heights, SF 94110 5524035 3 units · 2 fl · 1965

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 Bernal Heights
At or below average
avg 1.2
0
FewerMore

This building has 0 novs (7y), at or below the Bernal Heights average of 1.2.

Rent & eviction protection

Is 3357 Folsom 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 1965
2 or more units
3 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
Units3
Floors2
Year built1965
Total area2,675 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot5524035
Ownership

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

Owner name
Michael K & Mariah M Kowdle
Mailing address
Michael & Mariah Kowdley, C 6325 151St Ave Ne Redmond WA 98052
Last sale
021908

Landlord portfolio

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

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Augrented Insights
Initial analysis

The three-unit apartment building at 3357 Folsom St in Bernal Heights, owned by Michael K & Mariah M Kowdle, was constructed in 1965 and consists of two stories. The property has undergone several significant renovations over the past few decades, with the most recent major update occurring in 2015, which included a kitchen and bathroom remodel with new appliances and fixtures, along with electrical upgrades in Unit 3. In 2006, the building underwent substantial repairs due to water damage, including window and siding replacements and bathroom remodels in multiple units, with a total renovation cost of approximately $80,000. Earlier improvements include foundation work with the installation of five piers in 1989, siding replacement in 1995, and various electrical upgrades throughout the building.

The building experienced fire safety and security violations in 2002 and 2008, including issues with fire escape ladders, self-closing exterior doors, and smoke enclosure doors, all of which were addressed and abated. While these violations were significant at the time, there have been no reported safety violations in recent years. The property has received regular maintenance attention, as evidenced by multiple 311 calls in 2024 regarding catch basin maintenance and other public works matters, though these are primarily related to street infrastructure rather than the building itself. Recent activity at the property has been minimal, with no major building code violations or safety concerns reported in the past several years. The most recent maintenance-related issues have been confined to external infrastructure, such as sewer maintenance and tree services, as shown in multiple 311 calls in late 2024.

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

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Risk rating

How 3357 Folsom 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
86th percentile

Out of 1276 buildings in this neighborhood, 179 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.

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.

Construction spend, owner's portfolio

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

12-Month severity forecast
No violation 72.9%
Moderate concern 17.8%
Severe concern 9.3%
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

3357 Folsom St event timeline

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

2026
Building Permit Jan 21
Remove - replace approx 10 rusted bolts on front fire escape, remove replace cable for retractable ladder on front fire escape. remove surface rust on front + back fire escapes. prime + paint both front + back fire escapes.
$17,284 · Complete
Planning RecordJan 21
Replace 10 bolts and cable for ladder, maintenance work on existing front fire escape. Repair and maintenance work on existing fire escape at rear.

See all 3 events

Full history back to 2025 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 3357 Folsom 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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