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663 33Rd Ave

Outer Richmond, SF 94121 1576005M 4 units · 2 fl · 1925

This building has a substantial enforcement record over the last seven years, and our model sees a moderate chance of more in 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 Outer Richmond — not a forecast
Above average
avg 0.7
3
FewerMore

This building has 3 novs (7y), above the Outer Richmond average of 0.7.

Rent & eviction protection

Is 663 33Rd 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 1925
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.

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 1925
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 built1925
Total area3,600 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1576005M
Ownership

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

Mailing address
Sin Kwong Sing Simon & Hong 180 Valleyview Way South San Francisco CA 94080
Last sale
August 28, 1997

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 4-unit multi-family residential building at 663 33rd Avenue in the Outer Richmond neighborhood, owned by the Sin/Hong Family Trust, is a 2-story apartment building constructed in 1925. The property has undergone several significant improvements over the past few decades, most notably completing a mandatory soft-story retrofit in 2016 at a cost of $85,900 to improve seismic safety. In 2014-2015, there were two notable incidents involving unpermitted construction work: one regarding the replacement of a rear deck and stairs, which was subsequently properly permitted at a cost of $8,000, and more recently in 2023 involving unauthorized concrete work in the backyard, though this complaint was quickly resolved within a day.

The building has experienced recurring issues related to fire safety systems, particularly in 2002 when multiple violations were cited regarding fire extinguishers, alarm systems, and sprinkler requirements, though these were all abated by September 2002. A routine housing inspection in 2011 also identified various fire safety requirements that needed attention. The property has received various maintenance upgrades over the years, including roof replacement in 1995, vinyl siding installation in 2003, and kitchen cabinet improvements in multiple units in 1985. Recent exterior maintenance complaints have been minimal, with only parking enforcement issues recorded through 311 calls between 2017-2023, most related to driveway blocking incidents. The building's soft-story retrofit was successfully completed as a Tier 3 project, demonstrating compliance with current seismic safety requirements. The most recent building complaint from August 2023 regarding unpermitted work was quickly addressed, indicating responsive management to regulatory concerns.

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

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Risk rating

How 663 33Rd 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
12thpercentile

Out of 1040 buildings in this neighborhood, 915 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
58%
No DBI
violation
42%
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.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

Estimated permit spend (past 7 years)

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

12-Month risk forecast
Moderate failure risk 42%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

663 33Rd Ave apartment reviews

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The story over time

663 33Rd Ave event timeline

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

2026
Building Violation (NOV) Apr 06
Building violation
It is the property owner's responsibility to be present or direct his/her representative to attend, the reinspection as scheduled on this n…
Building Violation (NOV)Apr 06
Building violation

See all 6 events

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

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Every record we have

Full data for 663 33Rd Ave apartments

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

Side by side

How 663 33Rd Ave compares to the neighborhood

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

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