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532 40Th Ave

Outer Richmond, SF 94121 1505028 2 units · 2 fl · 1988

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 Outer Richmond
At or below average
avg 0.7
0
FewerMore

This building has 0 novs (7y), at or below the Outer Richmond average of 0.7.

Rent & eviction protection

Is 532 40Th 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 1988
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 built1988
Total area4,213 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot1505028
Ownership

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

Owner name
Teng Esther
Mailing address
534 40th Ave San Francisco CA 94121
Last sale
022315

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 532 40th Avenue in San Francisco's Outer Richmond neighborhood, owned by Esther Teng, has experienced several notable infrastructure issues over the past few years, particularly concerning the sidewalk. Most recently in March 2023, there were three separate reports of sidewalk defects and a curb issue, with at least two of the sidewalk problems being specifically identified as collapses, though these were subsequently resolved. The building's exterior received attention in 2019 when extensive work was completed on the siding of both units (532-534), at a cost of $35,000. Historical records show the two-story flats/duplex structure was built in 1988 following the demolition of a single-family dwelling in 1986.

The property has experienced recurring sidewalk issues, with similar problems documented in April 2016 when inspectors found approximately 100 square feet of damaged or uneven sidewalk. The surrounding area has seen various municipal service calls, including several parking enforcement requests between 2022-2023 for vehicles blocking driveways and parking on sidewalks. Other minor issues included a 2016 report about garbage receptacles being left out (which was investigated with no visible evidence found) and an abandoned vehicle complaint that was resolved when the car was no longer present during inspection. The building itself has not had any significant internal issues reported through the 311 system, though the recurring sidewalk problems suggest an ongoing challenge in the immediate vicinity.

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

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Risk rating

How 532 40Th 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
88th percentile

Out of 1040 buildings in this neighborhood, 125 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
91%
No DBI
violation
9%
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.

Building size

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

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

12-Month severity forecast
No violation 78.7%
Moderate concern 10.4%
Severe concern 10.9%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

532 40Th Ave apartment reviews

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The story over time

532 40Th Ave event timeline

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

2025
Building Permit Apr 10
Remove the stucco from the edges of 2 front facing bay windows. waterproof edges of windows to prevent leaking.
$4,280 · Complete

See all 3 events

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

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Every record we have

Full data for 532 40Th 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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