Free SF apartment background check

370 Hamilton St

Portola, SF 94134 5988024 2 units · 2 fl · 1963

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 Portola
At or below average
avg 1.8
0
FewerMore

This building has 0 novs (7y), at or below the Portola average of 1.8.

Rent & eviction protection

Is 370 Hamilton 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 1963
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH1
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 built1963
Total area1,768 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot5988024
Ownership

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

Owner name
Sierra Springs Lp
Mailing address
Middleton Dennis 723 Camino Plaza Suite 150 San Bruno CA 94066
Last sale
120706

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-unit residential building at 370 Hamilton Street in San Francisco's Portola neighborhood, owned by Sierra Springs LP, is a 1963 flats/duplex structure that has experienced several maintenance and service issues over recent years. The property has documented a pattern of waste management challenges, with multiple garbage and debris incidents reported between September 2024 and January 2025, including loose debris, yard waste, and abandoned furniture, though most of these cases were resolved through appropriate clean-up services. There were also notable infrastructure and maintenance activities in 2024, including a noise complaint filed in September 2024 that remains open, and two public works requests regarding sidewalk conditions - one of which resulted in an inspection and some remedial action in September 2024. Historically, the building's records show relatively minimal major work, with only one significant repair noted from 1988 (removal of cracked plaster from the south wall) and a cancelled electrical permit from 2002 that reportedly involved service installation work.

The building's inspection and complaint history shows one routine housing inspection in 1996, which was completed within one day, and while this suggests some oversight by Housing Inspection Services, there are no recorded violations or critical safety concerns in recent years. The property's documented issues are primarily related to external conditions and waste management, rather than structural or safety concerns within the building itself. The concentration of recent incidents suggests ongoing challenges with waste management and exterior maintenance, particularly during the latter half of 2024, though most issues have been addressed through proper channels. The relative lack of historical building permits or major structural work since the 1988 plaster repair could indicate stability in the building's condition, though less frequent major repairs are common in many residential properties.

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

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Risk rating

How 370 Hamilton 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
95th percentile

Out of 255 buildings in this neighborhood, 13 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
90%
No DBI
violation
10%
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.

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.

12-Month severity forecast
No violation 80.9%
Moderate concern 13.4%
Severe concern 5.7%
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

370 Hamilton St event timeline

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

2024
311 Request Dec 21
Garbage and debris
other bagged boxed contained garbage

See all 1 events

Full history back to 2024 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 370 Hamilton St apartments

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

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