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842-860 California St

Nob Hill, SF 94108 0243027 9 units · 3 fl · 1907

A handful of records on file over the last seven years, and our model predicts a high risk of further maintenance problems in the next 12 months. A few records worth reading before you sign. Check whether they were closed out, and ask what was actually fixed.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in Nob Hill — not a forecast
At or below average
avg 2.4
0
FewerMore

This building has 0 novs (7y), at or below the Nob Hill average of 2.4.

The bar and the rating point different ways because they measure different things: the bar counts DBI violations already on file, the rating forecasts the next 12 months.

Rent & eviction protection

Is 842-860 California 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
9 units
Property type
Multi-Family Residential
Zoning
RM4
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.

Statewide backstop · AB 1482

California Tenant Protection Act of 2019

Even when a building isn't covered by local rent stabilization, the statewide Tenant Protection Act (AB 1482) may still apply. It caps annual rent increases and requires the landlord to state a legal reason to end most tenancies.

15+ years since occupancy
Built 1907
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
Local rent control likely takes priority. This building appears to fall under the local ordinance above, which is stronger than AB 1482. Where a local just-cause ordinance applies, its rules govern instead of the state cap.

AB 1482 does not apply to single-family homes and condos unless owned by a corporation, REIT, or an LLC with a corporate member; to owner-occupied duplexes; or to deed-restricted affordable housing. The Act is in effect until January 1, 2030. Not legal advice — see the California landlord–tenant guide.

Building characteristics
Units9
Floors3
Year built1907
Total area985 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0243027
Ownership

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

Owner name
Mailing address
P O Box 6438 Tahoe City CA 96145
Last sale
August 28, 2020

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

All street addresses sharing this blocklot that are covered by this report.

848 California St, San Francisco, CA 94108
860 California St, San Francisco, CA 94108
854 California St, San Francisco, CA 94108
846 California St, San Francisco, CA 94108
844 California St, San Francisco, CA 94108
852 California St, San Francisco, CA 94108
850 California St, San Francisco, CA 94108
842 California St, San Francisco, CA 94108
856 California St, San Francisco, CA 94108
Augrented Insights
Initial analysis

The 9-unit, 3-story multi-family residential building at 842-860 California Street in Nob Hill, built in 1907, has undergone several significant structural improvements over the decades, most notably regular reroofing work in recent years, with the most recent complete reroofing project costing $6,200 in 2009. The property is currently owned by 842.ca LLC and has experienced ongoing maintenance issues typical of older buildings, evidenced by multiple 311 calls in 2024 related to street cleaning and sanitation concerns. A notable recent event is a 2020 complaint about a vacant storefront, though this complaint is currently listed as not active.

The building's most significant proposed change is an ambitious redevelopment project that has gone through various stages of planning and review since 2021. This project, originally proposed by Timothy Quayle and currently under consideration by Sosnkowski/Vince of Acme Development, LLC, aims to demolish the existing structures and construct a new 8-story building with 33 dwelling units, including 4 affordable replacement units. The proposed building would feature a range of unit types, from studios to three-bedroom units, and include parking for 9 vehicles and 34 bicycle spaces. The project's height would exceed current limits, seeking a waiver to allow for 86'5" construction, with 25-foot rear yard compliance above the garage level. Several planning records indicate varying project scopes and statuses, including shadow studies, historic resource assessments, and transportation demand management reviews.

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

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Risk rating

How 842-860 California 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

Lower risk — safer than most nearby

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Typical — about average for the neighborhood

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Higher risk — riskier than most nearby

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
11thpercentile

Out of 1125 buildings in this neighborhood, 1001 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.

RiskiestSafest
Predicted 12-month outcome
20%
No DBI
violation
80%
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.

DBI tenant complaints (past 7 years)

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

Building age

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

12-Month risk forecast
High failure risk 80%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

842-860 California St apartment reviews

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On the map

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The story over time

842-860 California St event timeline

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

2025
Building Permit Dec 04
To demolish 1 story, no basement 2 units residential building.
$12,000 · Filed
Building PermitDec 04
To demolish 1 story, 1 basement, single family building.

See all 13 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 842-860 California St apartments

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

Side by side

How 842-860 California St compares to the neighborhood

This building against comparable properties in Nob Hill. Toggle filters to narrow the peer group.

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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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