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14-16 Sonoma St

Telegraph Hill, SF 94133 0115008A 2 units · 2 fl · 1912

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 Telegraph Hill
At or below average
avg 1.2
0
FewerMore

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

Rent & eviction protection

Is 14-16 Sonoma 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 1912
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH3
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 built1912
Total area1,200 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0115008A
Ownership

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

Owner name
Grassini Living Trust
Mailing address
Leonardo & Anna M Grassini, 231 Luna Cir Folsom CA 95630
Last sale
083096

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.

14 Sonoma St, San Francisco, CA 94133
16 Sonoma St, San Francisco, CA 94133
Augrented Insights
Initial analysis

The two-unit residential building at 14-16 Sonoma St in Telegraph Hill, owned by the Grassini Living Trust, is a two-story flats and duplex structure built in 1912. The building's maintenance history shows relatively minimal documented work, with only one recorded permit for reroofing work from 1998, which has since expired. The property's most recent significant infrastructure issue occurred in November 2023, when a sewage backup incident involving a 4-inch sewer vent was reported and subsequently resolved by the PUC Sewer Operations team. This recent incident marks the third documented sewage-related problem in the building's history, following a similar event in October 2009.

The property has experienced recurring issues with street cleanliness and waste management in the vicinity, particularly between 2008 and 2020, including multiple reports of loose garbage (2011, 2017, and 2020) and improper waste container management (cans left out continuously in 2008). A hazardous materials incident involving glass was reported in May 2011, though specific details require further review in the notes. The building's parking-related complaints have been minimal, with only one documented case in February 2019 regarding a blocking vehicle, though the responding officer was unable to locate the vehicle in question. While the property's basic infrastructure appears to function adequately, the recurring sewer issues and periodic cleanliness concerns suggest ongoing maintenance challenges in both the building and its immediate surroundings.

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

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Risk rating

How 14-16 Sonoma 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
67th percentile

Out of 684 buildings in this neighborhood, 226 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
89%
No DBI
violation
11%
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.

Building age

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

Building permits, owner's portfolio

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

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 86.4%
Moderate concern 7.2%
Severe concern 6.4%
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

14-16 Sonoma St event timeline

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

2023
311 Request Nov 30
Sewage back up
Outofsewervent4inch
311 RequestOct 13
Bulky items

See all 2 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 14-16 Sonoma 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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