Free SF apartment background check

642-646 Castro St

Eureka Valley/Dolores Heights, SF 94114 2696040 3 units · 3 fl · 1900

A handful of records on file over the last seven years, and our model sees a moderate chance of more 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 Eureka Valley/Dolores Heights — not a forecast
At or below average
avg 1.4
1
FewerMore

This building has 1 novs (7y), at or below the Eureka Valley/Dolores Heights average of 1.4.

The bar and the rating point different ways because they measure different things: the bar counts DBI violations already on file, the rating forecasts the next 12 months.

Rent & eviction protection

Is 642-646 Castro 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
3 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
Units3
Floors3
Year built1900
Total area4,635 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot2696040
Ownership

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

Owner name
Mailing address
2800 Van Ness Ave San Francisco CA 94109
Last sale

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.

642 Castro St, San Francisco, CA 94114
644 Castro St, San Francisco, CA 94114
646 Castro St, San Francisco, CA 94114
Augrented Insights
Initial analysis

The property at 642-646 Castro Street is a 3-story multi-family residential building constructed in 1900, currently owned by Smithton Zoya Lee. The building has undergone several significant renovations and faced multiple compliance issues in recent years. Most notably, it is currently classified as a Non-Compliant Tier 3 building under San Francisco's Mandatory Soft Story Program, with active violations related to earthquake safety requirements filed in October 2022 and a director's hearing scheduled for January 2024. The building underwent major modifications between 2020-2021, including the attempted addition of five ADU units in 2020 (with permits filed for $187,500), followed by separate bathroom and kitchen installations for each unit in 2021, though these permits have since expired. The construction process faced multiple complaints from residents, including concerns about open basement conditions, noise from construction equipment, and dust control during excavation.

Recent building improvements include a $66,000 reroofing project completed in January 2024 and the installation of a new sprinkler system ($19,500) in 2021, indicating ongoing efforts to improve building safety features. The property has experienced various maintenance issues, with multiple 311 calls in 2022-2023 regarding sewage back-ups, pavement defects, and tree problems. There have been documented fire safety concerns in 2020-2021 regarding blocked exits and electrical systems, though these were marked as corrected. Historical issues include peeling paint documented in 2013 and unauthorized work complaints in 2017. While the property is actively pursuing improvements and modifications, the outstanding soft story compliance violation and previous construction-related concerns suggest ongoing challenges with building safety and resident impacts.

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

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Risk rating

How 642-646 Castro 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
21stpercentile

Out of 1278 buildings in this neighborhood, 1010 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
57%
No DBI
violation
43%
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.

Director's hearings (past 7 years)

Director's hearings are escalated enforcement actions for buildings that haven't resolved violations — a serious signal.

DBI complaints, owner's portfolio

Complaints across all of this owner's buildings over 7 years.

12-Month risk forecast
Moderate failure risk 43%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

642-646 Castro St apartment reviews

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On the map

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The story over time

642-646 Castro St event timeline

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

2023
311 Request May 03
Blocking driveway cite tow
Gray - Audi - 7TBL293

See all 21 events

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

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Every record we have

Full data for 642-646 Castro St apartments

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

Side by side

How 642-646 Castro St compares to the neighborhood

This building against comparable properties in Eureka Valley/Dolores Heights. 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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