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579 2Nd Ave

Inner Richmond, SF 94118 1545020 2 units · 2 fl · 1903

A handful of records on file over the last seven years, and our model puts this building at a low 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 Richmond — not a forecast
At or below average
avg 0.9
0
FewerMore

This building has 0 novs (7y), at or below the Inner Richmond average of 0.9.

Rent & eviction protection

Is 579 2Nd 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 1903
2 or more units
2 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.

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 1903
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
Units2
Floors2
Year built1903
Total area2,258 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1545020
Ownership

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

Mailing address
Yao Chang Chen 579 2Nd Ave San Francisco CA 94118
Last sale
March 05, 1996

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-unit, two-story multi-family residential building at 579 2nd Avenue in the Inner Richmond, owned by Yung Kwong Chung & Fung Wai, has a documented history dating back to its 1903 construction. The most significant recent concern involves an active building complaint from September 2018 regarding unauthorized construction work on the back of the building, including wall movement, porch enclosure, and stair rebuilding, which was reported to be conducted in a dangerous manner without proper permits. This complaint coincided with a permitted project for door replacement and painting that same month, suggesting potential discrepancies in construction activity. The building underwent several documented improvements in 1996, including wall repairs, bathroom and kitchen remodeling on the ground floor, window replacements, and cement repairs in the basement, though all these permits have since expired.

More recent issues near the property have primarily involved parking violations, with two incidents of sidewalk parking reported in 2021 and 2023, though these could not be fully validated by responding officers. An earlier infrastructure concern was noted in 2014 regarding sidewalk defects, specifically in relation to cracking and damage, which was officially addressed through the necessary channels. While the building's permit history shows some attention to maintenance and improvements, the most pressing concern remains the active complaint from 2018 regarding unauthorized construction work and potential safety hazards.

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

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Risk rating

How 579 2Nd 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

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
75thpercentile

Out of 1723 buildings in this neighborhood, 431 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
88%
No DBI
violation
12%
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.

Estimated permit spend (past 7 years)

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

Construction spend, owner's portfolio

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

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

579 2Nd Ave apartment reviews

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On the map

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The story over time

579 2Nd Ave event timeline

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

2023
311 Request Apr 25
Parking on sidewalk
Silver - Volkswagen 4 door - 7HHC187
311 RequestApr 02
Parking on sidewalk

See all 2 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 579 2Nd Ave apartments

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

Side by side

How 579 2Nd Ave compares to the neighborhood

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

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

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