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53-55 Sanchez St

Duboce Triangle, SF 94114 3537040 2 units · 2 fl · 1900

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 Duboce Triangle
At or below average
avg 2.3
0
FewerMore

This building has 0 novs (7y), at or below the Duboce Triangle average of 2.3.

Rent & eviction protection

Is 53-55 Sanchez 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
2 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.

Building characteristics
Units2
Floors2
Year built1900
Total area2,376 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot3537040
Ownership

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

Owner name
Yellen Howard L
Mailing address
55 Sanchez St San Francisco CA 94114
Last sale
062315

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

All street addresses sharing this blocklot that are covered by this report.

53 Sanchez St, San Francisco, CA 94114
55 Sanchez St, San Francisco, CA 94114
Augrented Insights
Initial analysis

The two-unit residential building at 53-55 Sanchez Street in Duboce Triangle, owned by Howard L. Yellen, is a two-story flats and duplex structure built in 1900. The property underwent substantial renovations in 2013, including a significant $343,000 interior reconfiguration that involved remodeling kitchens and bathrooms, replacing front windows with energy-efficient wood sash windows, adding skylights, and updating stair railings to code. This was followed by concrete slab replacement work and complete plumbing system upgrades, including new fixtures and shower pans for both units. In 2014, further improvements included the installation of two gas fireplaces, new gas furnaces, and comprehensive electrical system upgrades with 200A service and two panels. The building's infrastructure maintenance history is notable, with recent 311 calls indicating a previously collapsed sidewalk (now resolved) and various street cleaning matters, though none appear to have directly impacted building safety. The only recorded fire complaint from December 2011 regarding combustible materials was quickly resolved by January 2012. The property's recent maintenance history shows regular attention to both structural and systems upkeep, with the most significant investments occurring during the 2013-2014 renovation period.

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

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Risk rating

How 53-55 Sanchez 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
82th percentile

Out of 287 buildings in this neighborhood, 52 are predicted to be safer.

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.

Neighborhood location

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

Building age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

DBI complaint rate, owner's portfolio

Per-building complaint rate across the owner's portfolio.

12-Month severity forecast
No violation 83.7%
Moderate concern 9.4%
Severe concern 6.9%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

53-55 Sanchez St apartment reviews

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The story over time

53-55 Sanchez St event timeline

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

2026
Electrical Permit Mar 13
6- new lights install outside stair way, 1- foto cell, switch,
Issued

See all 5 events

Full history back to 2025 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 53-55 Sanchez 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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