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831-833 Filbert St

Russian Hill, SF 94133 0100037A 2 units · 2 fl · 1940

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 Russian Hill
At or below average
avg 1.9
0
FewerMore

This building has 0 novs (7y), at or below the Russian Hill average of 1.9.

Rent & eviction protection

Is 831-833 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 1940
2 or more units
2 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
Units2
Floors2
Year built1940
Total area2,618 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0100037A
Ownership

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

Owner name
Kim Jae Sung & Shon Yoon Jo
Mailing address
552 Arguello Blvd San Francisco CA 94118
Last sale
050420

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.

833 Filbert St, San Francisco, CA 94133
831 Filbert St, San Francisco, CA 94133
Augrented Insights
AI summary

The two-unit residential building at 831-833 Filbert Street in Russian Hill, owned by Kim Jae Sung and Shon Yoon Jo, was constructed in 1940 and features two stories with a "Flats & Duplex" classification. The property has undergone significant improvements in recent years, including a 2024 reroofing project with an $11,000 cost for torch down roofing. Substantial interior renovations were completed in 2021 and 2022, involving kitchen and bathroom remodels in both units, window replacements, and the installation of a ductless heating system with associated electrical and plumbing upgrades totaling approximately $70,000. Earlier improvements include deck repairs in 2019 (stair stringers and steps replacement) and window replacement projects in 2014, demonstrating ongoing maintenance and upgrades by the owners.

The property has experienced recurring issues with driveway blocking, particularly during 2021-2024, with multiple citations issued and several incidents where officers could not locate the offending vehicles. There have been some street cleaning and debris issues reported through 311 calls, including two garbage incidents in July 2024 and one furniture-related case in December 2024, all of which were resolved. A single incident of human or animal waste requiring attention was reported in October 2021. Overall, the building's permit history shows regular maintenance and significant investment in improvements, while the 311 call records indicate typical urban challenges regarding street cleaning and parking enforcement in the neighborhood.

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Risk rating

How 831-833 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
98th percentile

Out of 1133 buildings in this neighborhood, 23 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
95%
No DBI
violation
5%
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.

Building age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

Notices of Violation, owner's portfolio

DBI NOVs across all buildings this owner is registered on — a signal of systemic maintenance issues across the portfolio.

12-Month severity forecast
No violation 93.4%
Moderate concern 4.8%
Severe concern 1.8%
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

831-833 Filbert St event timeline

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

2025
311 Request Apr 06
Blocking driveway cite only
Parking Enforcement

See all 10 events

Full history back to 2019 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 831-833 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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