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838 Valencia St

Mission Dolores, SF 94110 3597073 4 units · 1908

This building has a higher-than-average number of open problems nearby. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Mission Dolores
At or below average
avg 2.9
0
FewerMore

This building has 0 novs (7y), at or below the Mission Dolores average of 2.9.

Rent & eviction protection

Is 838 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 1908
2 or more units
4 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
Units4
Floors
Year built1908
Total area5,040 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3597073
Ownership

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

Owner name
Colbert T Dare & Patty Chu
Mailing address
Alexanderson Properties 264 Fair Oaks St Suite 101 San Francisco CA 94110
Last sale
060799

Landlord portfolio

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

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Augrented Insights
Initial analysis

The four-unit residential building at 838 Valencia Street in Mission Dolores, owned by Colbert T Dare & Patty Chu, has a documented history of maintenance and compliance issues dating back to 2010. The property, which was built in 1908, experienced significant violations in September 2010, when multiple issues were identified including problems with interior surfaces (floors, ceilings, and walls), plumbing, electrical systems, and fire safety equipment. These violations were all resolved by October 25, 2010. In 2011, there were reports of mold, bathroom damage, and carpet issues, while 2012 brought complaints about unauthorized modifications including an alleged fifth unit and an exterior wood utility ladder, both of which were addressed by July 2012. Earlier structural concerns were documented in 2004 when repairs were made to address dry rot in the back stairs, and in 2012 when handrail modifications and window replacements were completed in response to another complaint.

The most recent building activity primarily consists of street maintenance and cleaning issues, with several 311 calls between 2022-2024 regarding garbage, toter management, and general cleaning in the vicinity of the property. These external maintenance matters were generally resolved promptly by city services. The property's historical record shows a pattern of maintenance issues largely centered on safety compliance and basic infrastructure, though these problems appear to have been addressed through the necessary permits and corrections. As of the latest available data, there are no active building violations or pending complaints, and no fire incidents have been recorded at the property.

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

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Risk rating

How 838 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
55th percentile

Out of 799 buildings in this neighborhood, 360 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
66%
No DBI
violation
34%
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.

Property class: apartment building

Apartment building — this property classification influences expected violation rates.

Owner's portfolio size

Number of SF parcels this owner is registered on — larger portfolios have distinct risk patterns.

12-Month severity forecast
No violation 58.0%
Moderate concern 25.2%
Severe concern 16.7%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

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The story over time

838 Valencia St event timeline

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

No dated public records on file yet.
Every record we have

Full data for 838 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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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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