Free SF apartment background check

3160 21St St

Inner Mission, SF 94110 3610051 132 units · 8 fl · 1969

A handful of records on file over the last seven years, and our model predicts a high risk of further maintenance problems in the next 12 months. A few records worth reading before you sign. Check whether they were closed out, and ask what was actually fixed.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in Inner Mission — not a forecast
At or below average
avg 2.7
2
FewerMore

This building has 2 novs (7y), at or below the Inner Mission average of 2.7.

The bar and the rating point different ways because they measure different things: the bar counts DBI violations already on file, the rating forecasts the next 12 months.

Rent & eviction protection

Is 3160 21St St 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 1969
2 or more units
132 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.

Statewide backstop · AB 1482

California Tenant Protection Act of 2019

Even when a building isn't covered by local rent stabilization, the statewide Tenant Protection Act (AB 1482) may still apply. It caps annual rent increases and requires the landlord to state a legal reason to end most tenancies.

15+ years since occupancy
Built 1969
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
Local rent control likely takes priority. This building appears to fall under the local ordinance above, which is stronger than AB 1482. Where a local just-cause ordinance applies, its rules govern instead of the state cap.

AB 1482 does not apply to single-family homes and condos unless owned by a corporation, REIT, or an LLC with a corporate member; to owner-occupied duplexes; or to deed-restricted affordable housing. The Act is in effect until January 1, 2030. Not legal advice — see the California landlord–tenant guide.

Building characteristics
Units132
Floors8
Year built1969
Total area80,000 sq ft
Property typeMulti-Family Residential
Tax statusWelfare
Blocklot3610051
Ownership

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

Mailing address
580 Capp St San Francisco CA 94110
Last sale
—

Landlord portfolio

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

Unlock complete report
Multiple entrances & addresses

Included addresses

All street addresses sharing this blocklot that are covered by this report.

3160 21st St, San Francisco, CA 94110
580 Capp St, San Francisco, CA 94110
Augrented Insights
Initial analysis

Bethany Center Senior Housing, located at 3160 21st Street in San Francisco's Inner Mission neighborhood, is an 8-story, 132-unit multi-family residential building constructed in 1969. The property underwent significant safety and infrastructure upgrades between 2017-2022, including the installation of a new emergency responder radio coverage system, fire sprinkler systems, and improvements to electrical panels and plumbing infrastructure. Notable recent maintenance included the replacement of four boilers in April 2022 and the relocation of a transformer with blast walls in 2018. The building has faced several regulatory challenges, including multiple boiler permit violations in 2021 that were ultimately resolved in July 2024, and a 2024 fire violation related to sleeping area requirements that remains open.

The building has experienced recurring safety and comfort issues over the years, including complaints about construction noise and work transparency in 2022, heating system problems in 2006 and 2018, and various fire safety concerns related to sprinkler systems, alarm systems, and blocked exits. Recent fire incident reports indicate mostly minor issues such as detector activations and contained cooking fires, with no civilian injuries recorded. The property has undergone several investigations and inspections, including routine safety inspections in 2015, 2008, and 2002, and has been the subject of various work-related complaints throughout the years. Recent planning records show proposals to expand the facility's capacity by adding six new dwelling units, though these are listed as closed or approved without clear indication of implementation status. The building's recent maintenance record shows active management of safety systems and infrastructure, though some historical comfort and safety issues persist.

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

Free account unlocks the full analysis — plus 2× more records across all data categories and the complete landlord portfolio.
Risk rating

How 3160 21St St'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

Lower risk — safer than most nearby

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Typical — about average for the neighborhood

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Higher risk — riskier than most nearby

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
0thpercentile

Out of 2380 buildings in this neighborhood, 2380 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.

RiskiestSafest
Predicted 12-month outcome
10%
No DBI
violation
90%
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.

Building size

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

Director's hearing rate, owner's portfolio

Per-building rate of director's hearings across the owner's portfolio.

12-Month risk forecast
High failure risk 90%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

3160 21St St apartment reviews

Real experiences from people who have lived here. Share yours to help other renters decide.

Share your experience — Help other renters by leaving an honest apartment review

Create account

Loading reviews…

On the map

Compare nearby alternatives

This building and nearby alternatives, color-coded by risk level. Click any marker to explore.

Buildings nearby
8 found
The story over time

3160 21St St event timeline

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

2026
Building Permit Apr 27
Install new kitchen cabinets, countertop, bathroom cabinet, sink & faucets. new light fixtures in kitchen, plumbing fixture in kitchen countertop. replace electrical outlet as needed & complete all necessary electrical connections
$9,000 · Issued
Plumbing PermitApr 27
Plumbing fixtures in kitchen countertop.

See all 26 events

Full history back to 2019 — violations, complaints, permits, buyouts, and fire incidents.

Unlock complete timeline
Every record we have

Full data for 3160 21St St apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

Side by side

How 3160 21St St compares to the neighborhood

This building against comparable properties in Inner Mission. Toggle filters to narrow the peer group.

Loading comparables…
Still apartment hunting in SF?

Look up the next apartment before you sign

Search any SF address free — no account needed to see the risk rating.

Search another address Get full report
Simple pricing

Get the complete picture

Every plan unlocks the complete report: all 13 SF datasets, full history, landlord portfolio, and PDF & Excel exports.

Pay once

Report Bundle

For the buildings you're deciding on right now

$10one time

3premium reports

$3.33 per report · charged once, never renews

Each credit unlocks one building's premium report for 30 days.

  • 3 premium reports — AI executive summary included
  • Live data across all 27 public record types
  • 200 records per dataset
  • PDF & Excel exports included
  • Compare up to 10 buildings side-by-side
  • Credits never expire until you use them
Buy 3 Reports — $10
Pay once

Apartment Hunter

For a wide search across many buildings

$39one time

30premium reports

$1.30 per report · charged once, never renews

Each credit unlocks one building's premium report for 30 days.

  • 30 premium reports — AI executive summary included
  • Live data across all 27 public record types
  • 200 records per dataset
  • PDF & Excel exports included
  • Compare up to 10 buildings side-by-side
  • Credits never expire until you use them
Buy 30 Reports — $39
Most Popular Current plan
Subscription

Renter

For the weeks when the stakes are highest

$8.33/mo

5premium reports / mo

Billed $100/year — save $44 vs monthly

Renews automatically until you cancel.

  • Unlimited standard reports — 50 records per dataset
  • 5 premium AI reports per month — live data, 200 records per dataset, all 27 record types
  • PDF & Excel exports on every report
  • Compare up to 10 buildings side-by-side
  • Full event timeline — every year of history
  • Landlord portfolio & ownership insights
Start Your Search

Less than $0.28/day. Cancel anytime.

Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

Watch 3160 21St St
Get alerted the moment a new violation or complaint is filed.