Free SF apartment background check

550 Randolph St

Ingleside Heights, SF 94132 7086064 2 units · 2 fl · 1985

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 Ingleside Heights
At or below average
avg 1.4
0
FewerMore

This building has 0 novs (7y), at or below the Ingleside Heights average of 1.4.

Rent & eviction protection

Is 550 Randolph 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 1985
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH2
Not rent-controlled. Buildings constructed after 1978 are generally exempt from SF rent increase limits under the Costa-Hawkins Act.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units2
Floors2
Year built1985
Total area1,760 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot7086064
Ownership

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

Owner name
Hsia Chang Revoc Tr
Mailing address
Chang Hsia Ttee 38 Josiah Ave San Francisco CA 94112
Last sale
000000

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.

550 Randolph St, San Francisco, CA 94132
100 Vernon St, San Francisco, CA 94132
Augrented Insights
Initial analysis

The two-unit residential building at 550 Randolph Street in Ingleside Heights is a two-story flats and duplex structure, built in 1985 and currently owned by the Hsia Chang Revocable Trust. The building has undergone several significant maintenance and infrastructure upgrades, most notably a recent $10,000 reroofing project completed in May 2024, which follows the pattern of previous roofing work in 1992 and 1982. In the early 2000s, the property underwent an underground electrical conversion project, with the main work completed in February 2004, though a subsequent related permit from March 2004 was cancelled.

The property has experienced recurring issues with parking enforcement, particularly concerning blocked driveways, with multiple citations issued between October 2024 and January 2025. There has also been a notable pattern of sanitation-related incidents in late 2024, with numerous reports of garbage and debris including electronics, furniture, and yard waste along the street and sidewalk areas, with all cases being resolved by city services. Two planning records from the 1980s noted the property as a single-family dwelling, though its current designation as a multi-family residential building aligns with available unit counts. While the building has had its share of maintenance and compliance matters, most recent improvements suggest ongoing investment in property upkeep.

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

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Risk rating

How 550 Randolph 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
40th percentile

Out of 45 buildings in this neighborhood, 27 are predicted to be safer.

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

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

12-Month severity forecast
No violation 82.7%
Moderate concern 10.7%
Severe concern 6.6%
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

550 Randolph St event timeline

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

2026
311 Request May 02
Garbage and debris
other loose garbage debris yard waste
311 RequestMar 30
Offensive

See all 6 events

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

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Every record we have

Full data for 550 Randolph 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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