Free SF apartment background check

500 36Th Ave

Outer Richmond, SF 94121 1509043 11 units · 3 fl · 1939

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 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 500 36Th 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 1939
2 or more units
11 units
Property type
Multi-Family Residential
Zoning
RM1
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
Units11
Floors3
Year built1939
Total area10,063 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1509043
Ownership

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

Owner name
Three Rivers Real Estate &
Mailing address
P O Box 511 Pacifica CA 94044
Last sale
021114

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 39-unit, 3-story multi-family residential building at 500 36th Avenue in the Outer Richmond, built in 1939 and currently owned by Three Rivers Real Estate, has undergone several significant safety system upgrades over the past few years. Most notably, in August 2020, the property completed a $25,000 fire alarm system upgrade to comply with current fire code requirements, including sprinkler monitoring, followed by a similar electrical fire alarm installation in February 2020. The building has experienced recurring issues with its fire safety systems, evidenced by multiple fire complaints and violations between 2017 and September 2024, though most have been promptly corrected. A concerning incident occurred in 2004 when multiple fire escape and smoke enclosure door issues were identified and later abated.

Historically, the building has faced various structural and maintenance challenges, including emergency floor joist repairs in 2003, termite and rot damage repairs in 1986, and several failed permit applications for window and roof work in 1998-1999. The property's electrical infrastructure has seen significant improvements, including a 400-amp service upgrade in 2008. Recent 311 calls from 2020 to 2023 have primarily concerned street-level issues such as graffiti, parking complaints, and waste management, rather than building-specific problems. While there have been two documented gas leak and system malfunction incidents recorded by fire services, neither resulted in civilian injuries. The building's maintenance record shows a pattern of addressing violations and complaints, though the recurring nature of fire system issues suggests ongoing challenges with maintaining current safety regulations.

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

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Risk rating

How 500 36Th 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
5th percentile

Out of 1040 buildings in this neighborhood, 988 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
33%
No DBI
violation
67%
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.

Building size

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

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

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 25.2%
Moderate concern 57.4%
Severe concern 17.4%
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

500 36Th Ave event timeline

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

2025
311 Request Dec 19
Public works
bses request for service
Fire ComplaintSep 10
Alarm Systems

See all 8 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 500 36Th 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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