Free SF apartment background check

1100 Valencia St

Inner Mission, SF 94110 3635001 2 units · 2 fl · 1907

This building has significantly more problems than most nearby buildings. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Inner Mission
At or below average
avg 2.6
2
FewerMore

This building has 2 novs (7y), at or below the Inner Mission average of 2.6.

Rent & eviction protection

Is 1100 Valencia 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 1907
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
VALEN
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.

Building characteristics
Units2
Floors2
Year built1907
Total area2,772 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3635001
Ownership

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

Owner name
Woodbury Drive Revocable Tr
Mailing address
Moskowitz Family Trust 19 Mallorca Way San Francisco CA 94123
Last sale
121219

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-unit mixed-use building at 1100 Valencia St, located in San Francisco's Inner Mission district, has undergone significant and concerning changes since its construction in 1907. Most recently, in June 2023, the building experienced substantial damage when a vehicle crashed into its front corner, prompting emergency responses and resulting in the temporary evacuation of two tenants from the residential portion. This incident, along with previous unauthorized construction work and fire safety violations, has led to multiple active building violations under Section 110A, Table1A-K of the San Francisco Building Code. Prior to this incident, the property was embroiled in a series of construction-related controversies, including a May 2021 violation for unauthorized removal of fire protection systems and subfloor materials exceeding permitted work, which resulted in multiple Notices of Violation (NOVs) and monitoring fees.

The building has seen various attempted improvements and modifications over the years, including the installation of an ADA-compliant bathroom in 2019, electrical upgrades, and fire safety equipment replacement. However, many permits indicate incomplete or expired work, including a 2020 permit for soft demolition and structural observation that prompted multiple complaints. The ground floor commercial space, which has a complicated history of alleged unauthorized use as co-working office space and artist studio/bar, has been reportedly vacant for extended periods, with multiple vacant storefront complaints filed between 2019 and 2020. Current planning records indicate ongoing review of the property, particularly concerning its commercial space usage and recent damage repairs. The building's maintenance history shows regular issues with graffiti and debris on the property, as evidenced by numerous 311 calls throughout 2024, though these are more related to exterior conditions than structural concerns.

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

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Risk rating

How 1100 Valencia 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
13th percentile

Out of 2380 buildings in this neighborhood, 2071 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
30%
No DBI
violation
70%
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.

Property class: apartment building

Apartment building — this property classification influences expected violation rates.

Neighborhood location

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

12-Month severity forecast
No violation 21.5%
Moderate concern 66.4%
Severe concern 12.1%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

1100 Valencia St apartment reviews

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The story over time

1100 Valencia St event timeline

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

2026
311 Request Jun 02
Garbage and debris
human waste or urine
311 RequestMay 09
Garbage and debris

See all 29 events

Full history back to 2019 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1100 Valencia St apartments

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

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