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670 3Rd Ave

Inner Richmond, SF 94118 1642033 4 units · 2 fl · 1972

Nothing on record for this building in the last seven years, and our model puts it at a low risk of maintenance problems over the next 12 months. No public enforcement record to go on. Walk the building, ask the current tenants how repairs get handled, and get any promises in writing.

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 670 3Rd 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 1972
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 1972
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 built1972
Total area3,800 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot1642033
Ownership

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

Mailing address
Shao Ping Wang Ttee 535 29Th Ave San Francisco CA 94121
Last sale

Landlord portfolio

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

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Augrented Insights
Initial analysis

The property at 670 3rd Avenue in San Francisco's Inner Richmond neighborhood is a two-story multi-family residential building constructed in 1972, containing 4 units and currently owned by the Shao Ping Wang Revocable Living Trust. The building has undergone several routine housing inspections over the years, with records showing exterior-only inspections in 2000, 2004, and a significant fire safety violation in 2011 related to combustible storage, which was promptly addressed within one month. More recently, there has been considerable parking-related activity around the property, with multiple complaints in 2024 alone, including seven cases of driveway blocking and one instance of sidewalk parking, though not all of these resulted in citations being issued. Notably, there was a formal tenant buyout recorded in 2021 involving one tenant leaving at 666 3rd Avenue for $10,000, though this address appears to be a typographical error compared to the main building's address. The building's only recorded fire incident was a false alarm, and while historical violations have been addressed, the pattern of recent parking complaints may indicate ongoing challenges with the building's location and surrounding infrastructure.

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

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Risk rating

How 670 3Rd 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
49thpercentile

Out of 1723 buildings in this neighborhood, 879 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
85%
No DBI
violation
15%
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.

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
Low failure risk 15%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

670 3Rd Ave apartment reviews

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The story over time

670 3Rd Ave event timeline

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

2025
Building Permit May 13
Part of the siding boards replacement (approx 900 sqft) - not visible from the street. repair in kind.
$20,600 · Complete

See all 2 events

Full history back to 2021 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 670 3Rd Ave apartments

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

Side by side

How 670 3Rd 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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