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18 Heyman Ave

Bernal Heights, SF 94110 5643020 2 units · 2 fl · 1914

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 Bernal Heights
At or below average
avg 1.2
0
FewerMore

This building has 0 novs (7y), at or below the Bernal Heights average of 1.2.

Rent & eviction protection

Is 18 Heyman 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 1914
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH2
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 built1914
Total area1,620 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot5643020
Ownership

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

Owner name
Quevedo Antonio A&Maria P T
Mailing address
Antonio A & Maria P Quevedo 268 Westbrook Ave Daly City CA 94015
Last sale
000000

Landlord portfolio

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

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Augrented Insights
Initial analysis

The property at 18 Heyman Ave is a two-unit, two-story multi-family residential building built in 1914 in Bernal Heights, currently owned by Antonio A & Maria P Quevedo. The building has undergone several significant renovations and repairs over the years, with the most recent work in 2021 including siding repairs and installation of a backyard area drain. The building experienced several serious safety issues in 2018, when multiple building violations were recorded and subsequently addressed, including the installation of required smoke detectors, carbon monoxide detectors, stair repairs, and weatherproofing of entry doors. These violations were officially abated by October 2018. Other notable improvements include a substantial kitchen renovation in the lower unit in 2015 ($22,000) that included new cabinets, granite countertops, and flooring, along with electrical and plumbing updates.

The property has a documented history of maintenance concerns, particularly regarding structural elements such as walkways and stairs. In 2008, there were multiple complaints about faulty walkway boards and back stairs, which were addressed through repairs. Earlier renovation work was completed in 2005, including bathroom fixtures and interior improvements. While there have been some complaints about unpermitted work, particularly in 2018 and 2021, these issues appear to have been resolved. The building's recent history shows no active building violations or complaints, suggesting improved compliance with maintenance and safety standards. External to the building, there have been several 311 calls in recent years primarily related to tree maintenance and parking issues, though these are not directly related to the building's condition or habitability.

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

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Risk rating

How 18 Heyman 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
36th percentile

Out of 1276 buildings in this neighborhood, 817 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
66%
No DBI
violation
34%
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.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

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.

12-Month severity forecast
No violation 63.4%
Moderate concern 26.1%
Severe concern 10.6%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

18 Heyman Ave apartment reviews

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The story over time

18 Heyman Ave event timeline

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

2026
311 Request Apr 13
Public health
environmental health tobacco request for service
311 RequestJan 18
General maintenance not in list above

See all 8 events

Full history back to 2021 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 18 Heyman 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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