Free SF apartment background check

530-532 21St Ave

Central Richmond, SF 94121 1563035 4 units · 2 fl · 1923

This building has more problems than most buildings in this neighborhood. 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
At or below average
avg 0.5
0
FewerMore

This building has 0 novs (7y), at or below the Central Richmond average of 0.5.

Rent & eviction protection

Is 530-532 21St 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 1923
2 or more units
4 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
Units4
Floors2
Year built1923
Total area3,630 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1563035
Ownership

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

Owner name
Residual Trust,Trust B
Mailing address
C/o Nazar Properties Llc Ii Po Box 210538 San Francisco CA 94121
Last sale
111496

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.

532 21st Ave, San Francisco, CA 94121
530 21st Ave, San Francisco, CA 94121
530 A 21st Ave, San Francisco, CA 94121
532 A 21st Ave, San Francisco, CA 94121
Augrented Insights
Initial analysis

The property at 530-532 21st Avenue in San Francisco's Central Richmond neighborhood is a two-story, four-unit multi-family residential building constructed in 1923, currently owned by Residual Trust, trust B. The building has undergone several significant maintenance and safety improvements in recent years, with the most notable being two completed electrical upgrades in early 2024, including the addition of outlets and a sub-panel replacement. Prior electrical work in 2008 included a 200-amp service upgrade with GFI installations. The building has had its share of maintenance issues, particularly in 2008-2011, when multiple violations were recorded and subsequently addressed, including repairs to stairs, kitchen renovations, and plumbing work. A significant group of violations was documented in 2008 relating to lead paint hazards, kitchen and stair repairs, and various interior surface issues, all of which were officially abated by June 2011.

The property has experienced multiple stair-related repairs over the years, with the most recent occurring in 2018 involving repairs to stair posts and treads costing $6,000. Multiple 311 complaints regarding parking violations and street cleaning issues have been recorded, with the most recent occurring in 2024. The building's fire safety systems have been maintained, with one unintentional detector activation incident recorded but no fires or civilian injuries reported. Recent electrical work suggests ongoing investment in building infrastructure, though the presence of multiple historical violations indicates past maintenance challenges that have been addressed through various permits and repairs.

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

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Risk rating

How 530-532 21St 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
27th percentile

Out of 2250 buildings in this neighborhood, 1642 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
77%
No DBI
violation
23%
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.

Number of units

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

Estimated permit spend (past 7 years)

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

DBI complaint rate, owner's portfolio

Per-building complaint rate across the owner's portfolio.

12-Month severity forecast
No violation 60.9%
Moderate concern 20.9%
Severe concern 18.1%
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

530-532 21St Ave event timeline

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

2024
Electrical Permit Jun 18
Adding outlets and replacing sub-feed to existing sub-panel
Complete
311 RequestMar 15
Blocking driveway cite only

See all 3 events

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

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Every record we have

Full data for 530-532 21St 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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