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2930-2934 21St St

Inner Mission, SF 94110 3612077 4 units · 2 fl · 1900

This building has a substantial enforcement record over the last seven years, and our model predicts continuing maintenance failures over the next 12 months. Read the records below before you sign. Ask which issues were resolved, get repair commitments in writing, and inspect the unit yourself.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in Inner Mission — not a forecast
Above average
avg 2.7
69
FewerMore

This building has 69 novs (7y), above the Inner Mission average of 2.7.

Rent & eviction protection

Is 2930-2934 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 1900
2 or more units
4 units
Property type
Multi-Family Residential
Zoning
RH3
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 1900
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
Units4
Floors2
Year built1900
Total area3,144 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3612077
Ownership

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

Owner name
Mailing address
573 S Van Ness Ave San Francisco CA 94110
Last sale
July 13, 2018

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

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

2930 A 21st St, San Francisco, CA 94110
2932 21st St, San Francisco, CA 94110
2930 21st St, San Francisco, CA 94110
2934 21st St, San Francisco, CA 94110
Augrented Insights
Initial analysis

The 4-unit, 2-story multi-family residential building at 2930-2934 21st Street in the Inner Mission, owned by 21st St Apts LLC, has a significant history of maintenance issues and violations, particularly between 2017 and 2023. Most notably, in 2017, multiple serious violations were documented including mold and mildew on walls and ceilings, interior surface damage, and weatherproofing deficiencies, which were ultimately abated by September 2019. The building experienced recurring water-related problems, with complaints of water damage, roof leaks, and mold reappearing in 2022, though some repairs were documented through building permits, such as rear stair repairs in 2023.

The property has undergone several maintenance and improvement projects over the years, including multiple window replacement projects (2003-2009) converting wood frames to vinyl, roof work in 1989, and various siding repairs. A concerning pattern emerged in late 2022 with multiple complaints regarding damaged windows, holes in walls, peeling paint, and safety issues, followed by a routine inspection in October 2022 that required stair repairs. More recently, in 2024, there have been multiple reports of abandoned items and debris around the property, with 12 separate reports of various debris including furniture, appliances, and mattresses between December 24-31, 2024, though these reports are primarily street cleaning issues rather than building maintenance concerns. While some repairs and improvements have been made, the building's history shows periods of significant maintenance challenges affecting resident habitability and building systems.

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

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Risk rating

How 2930-2934 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
12thpercentile

Out of 2380 buildings in this neighborhood, 2094 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
31%
No DBI
violation
69%
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.

Notices of Violation (past 7 years)

DBI issued Notices of Violation at this address over the last 7 years — a direct record of code enforcement activity.

NOV rate, owner's portfolio

Per-building NOV rate across everything this owner manages — high rates signal pattern neglect.

12-Month risk forecast
High failure risk 69%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

2930-2934 21St St apartment reviews

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8 found
The story over time

2930-2934 21St St event timeline

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

2026
Plumbing Permit Jun 26
Install 2 mini splits - one each in 2932 and 2934. 3 zone each.
Issued
Plumbing PermitJun 26
New supply and drain for 2 bath and 2 kitchens. (2) shower pans.

See all 18 events

Full history back to 2022 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 2930-2934 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 2930-2934 21St St compares to the neighborhood

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

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