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2880 21St St

Inner Mission, SF 94110 4084018 2 units · 2 fl

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 Inner Mission
At or below average
avg 2.6
0
FewerMore

This building has 0 novs (7y), at or below the Inner Mission average of 2.6.

Rent & eviction protection

Is 2880 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 unknown
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH3
Not rent-controlled. Buildings constructed after 1978 are generally exempt from SF rent increase limits under the Costa-Hawkins Act.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units2
Floors2
Year built
Total area2,184 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot4084018
Ownership

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

Owner name
Klein Zachary & Courtney
Mailing address
2495 Harrison St San Francisco CA 94110
Last sale
022218

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.

2880 21st St, San Francisco, CA 94110
2495 Harrison St, San Francisco, CA 94110
Augrented Insights
Initial analysis

The property at 2880 21st Street in San Francisco's Inner Mission neighborhood is a two-unit, two-story multi-family residential building owned by Zachary and Courtney Klein, and is classified as "2 Dwellings on One Parcel." The building has undergone significant renovations and improvements since 2013, including the installation of a comprehensive fire sprinkler system ($14,857) in 2015-2016, complete plumbing upgrades including radiant heating systems and bathroom remodeling ($20,000), and electrical improvements such as solar panel installations (3.84 kW array) in 2020 and a dedicated NEMA 14-50 line in 2021. The property has been subject to several building complaints and violations, most notably in 2006 and 2017, including unauthorized construction work and occupancy issues, though these violations were ultimately abated. Recent infrastructure improvements include multiple street space permits and plumbing upgrades, with the most substantial recent work being the 2016 renovations that included stair modifications, siding replacement, and various interior improvements.

The building's maintenance and compliance record shows active management of both required safety systems (including fire sprinklers) and modernization efforts such as solar power installation. The property underwent significant changes in 2016, including an administrative change of address from 2495 Harrison Street to its current designation. Regular maintenance issues have been documented through 311 calls in 2024, primarily relating to street conditions and parking, though these are typical for urban areas and not specific to the building's condition. Historical records indicate the property has transitioned from a potentially unauthorized commercial use to its current residential status, with various permits and improvements showing ongoing investment in the building's infrastructure and safety systems.

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

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Risk rating

How 2880 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

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
96th percentile

Out of 2380 buildings in this neighborhood, 95 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
89%
No DBI
violation
11%
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 age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

12-Month severity forecast
No violation 82.7%
Moderate concern 12.9%
Severe concern 4.3%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

2880 21St St apartment reviews

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The story over time

2880 21St St event timeline

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

2026
311 Request May 04
Other illegal parking
Parking Enforcement
311 RequestApr 16
Garbage and debris

See all 11 events

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

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Every record we have

Full data for 2880 21St St 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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