Free SF apartment background check

10 Lupine Ave

Jordan Park/Laurel Heights, SF 94118 1058012 30 units · 3 fl · 1957

This building has far more open problems than almost any other in the neighborhood. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Jordan Park/Laurel Heights
At or below average
avg 0.9
0
FewerMore

This building has 0 novs (7y), at or below the Jordan Park/Laurel Heights average of 0.9.

Rent & eviction protection

Is 10 Lupine Ave 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 1957
2 or more units
30 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
Units30
Floors3
Year built1957
Total area166,005 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1058012
Ownership

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

Owner name
Castle Enterprises
Mailing address
435 Los Cerros Dr Greenbrae CA 94904
Last sale
070212

Landlord portfolio

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

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Augrented Insights
Initial analysis

10 Lupine Avenue is a three-story, 30-unit multi-family residential building constructed in 1957, currently owned by Castle Enterprises. The building has undergone several significant safety and infrastructure improvements, including a comprehensive fire system upgrade in 2023 ($25,000) featuring new panels, smoke detectors, heat detectors, and low-frequency horns in all units, as well as a mandatory soft-story retrofit completed in 2015 ($16,050). Recent fire safety issues were noted, with a sleeping area violation issued in November 2023, though this has since been abated. The building's maintenance history shows consistent attention to infrastructure needs, with multiple boiler replacements (most recently in 2011), window upgrades in 2004, and fire alarm system improvements in 2023.

The property has experienced several compliance issues in the past, particularly in 2016 when multiple fire safety violations were documented, including problems with fire proofing, smoke enclosure doors, fire extinguisher maintenance, and paint conditions - all of which were abated by March 2017. Earlier issues included unsafe siding concerns in 2009 and asbestos shingle problems in 2009, which were resolved. Recent external concerns have been documented through 311 calls, primarily related to sidewalk conditions due to tree roots, though these issues were closed as resolved. Regular routine inspections have been conducted throughout the building's history, with the most recent fire safety violations being addressed through proper channels. The building's overall record shows a pattern of responsive maintenance and improvements, with particular attention to fire safety systems and structural requirements.

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

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Risk rating

How 10 Lupine Ave'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
7th percentile

Out of 272 buildings in this neighborhood, 253 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
36%
No DBI
violation
64%
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.

Building size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

Owner's portfolio size

Number of SF parcels this owner is registered on — larger portfolios have distinct risk patterns.

12-Month severity forecast
No violation 20.0%
Moderate concern 72.0%
Severe concern 8.0%
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

10 Lupine Ave event timeline

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

2023
Fire Complaint Nov 10
Sleeping Area Requirement
Violation Issued
Fire ComplaintJul 20
Extinguishers

See all 5 events

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

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Every record we have

Full data for 10 Lupine Ave 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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