Free SF apartment background check

453 30Th Ave

Central Richmond, SF 94121 1462009 2 units · 3 fl · 1999

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 Central Richmond
Above average
avg 0.5
7
FewerMore

This building has 7 novs (7y), above the Central Richmond average of 0.5.

Rent & eviction protection

Is 453 30Th 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 1999
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
Floors3
Year built1999
Total area4,428 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1462009
Ownership

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

Owner name
Chan/Chen Family Trust
Mailing address
Chan James Mo-tai & Wendy W 1239 Toyon Dr Millbrae CA 94030
Last sale
060200

Landlord portfolio

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

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Augrented Insights
Initial analysis

Located in San Francisco's Central Richmond neighborhood, 453 30th Avenue is a three-story, two-unit multi-family residential building constructed in 1999, currently owned by the Chan/Chen Family Trust. The building has experienced recurring fire safety issues, with multiple violations recorded between 2019 and 2024, including problems with the sprinkler system, alarm system maintenance, and emergency lighting. Most recently, in December 2024, the property received violations related to the sprinkler system and alarm system maintenance that are currently listed as open. Between 2016-2017, the building underwent a series of housing code violations and repairs, including the installation of smoke and carbon monoxide detectors, as well as various electrical and lighting improvements. A significant complaint from February 2016 regarding unauthorized occupancy in the garage space raised safety concerns, though this case is now marked as not active.

The building's history includes several construction-related permits and modifications, beginning with the demolition of a single-family dwelling in 1996 and the subsequent construction of the current two-unit building. During its occupancy, there have been periodic issues with building systems and safety compliance, with the most pressing recent concerns centering around fire safety equipment and maintenance requirements. The property has experienced various administrative and service calls since 2015, including reports of construction noise, weather-related issues, and parking concerns, though these are generally not directly related to the building's structural or safety systems.

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

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Risk rating

How 453 30Th 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
94th percentile

Out of 2250 buildings in this neighborhood, 135 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
92%
No DBI
violation
8%
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.

NOV rate, owner's portfolio

Per-building NOV rate across everything this owner manages — high rates signal pattern neglect.

Building age

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

Property class: multi-family flat

2–4 unit flats (class F) are a common SF building type with their own maintenance and complaint patterns.

12-Month severity forecast
No violation 86.3%
Moderate concern 9.1%
Severe concern 4.6%
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

453 30Th Ave event timeline

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

No dated public records on file yet.
Every record we have

Full data for 453 30Th 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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