Free SF apartment background check

50 Alta St

Telegraph Hill, SF 94133 0106034 6 units · 3 fl · 1955

This building has far more open problems than almost any other in the neighborhood. Renters here report frequent, slow-to-fix problems. Get repair promises in writing and check the unit before signing.

NOVs (7y) vs. neighborhood
Compared to a typical building in Telegraph Hill
Above average
avg 1.2
7
FewerMore

This building has 7 novs (7y), above the Telegraph Hill average of 1.2.

Rent & eviction protection

Is 50 Alta 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 1955
2 or more units
6 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
Units6
Floors3
Year built1955
Total area3,461 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0106034
Ownership

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

Owner name
Alta Street Investments I L
Mailing address
Thomas Jue Po Box 330188 San Francisco CA 94133
Last sale
061200

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 6-unit, 3-story multi-family residential building at 50 Alta Street, owned by Alta Street Investments I L, has undergone significant renovations and improvements since its construction in 1955. Most recently, in 2023-2024, the property completed various unit renovations including washer/dryer installations in Units 1 and 3, window replacements, and deck repairs. The building has seen substantial infrastructure upgrades, including a complete fire alarm system retrofit in 2022, electrical panel upgrades, and plumbing improvements such as the removal of an old gas boiler system and replacement of damaged sewer pipes in 2023. The property achieved compliance with San Francisco's mandatory Soft Story Retrofit Program, receiving its Certificate of Final Completion (CFC) status, though there were previous complaints about non-compliance in 2019.

Recent building activity has included some resident concerns, with active complaints in 2023 regarding construction work scope and debris management, though many historical complaints related to boiler permit issues and illegal usage of units have since been resolved. The building underwent multiple unit renovations between 2018-2023, including complete overhauls of Units 1, 3, 5, and 6, with work involving interior partitions, kitchen and bathroom fixtures, and electrical rewiring. Several maintenance and safety improvements have been implemented, such as deck repairs, fire safety upgrades, and security enhancements including the installation of a steel gate at the building entrance. The property has also experienced periodic plumbing issues, with multiple sewer-related service requests in 2015, though these appear to have been resolved through subsequent infrastructure improvements.

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

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Risk rating

How 50 Alta 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
7th percentile

Out of 684 buildings in this neighborhood, 636 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
19%
No DBI
violation
81%
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.

NOV rate, owner's portfolio

Per-building NOV rate across everything this owner manages — high rates signal pattern neglect.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

12-Month severity forecast
No violation 17.8%
Moderate concern 45.9%
Severe concern 36.3%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

50 Alta St apartment reviews

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The story over time

50 Alta St event timeline

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

2026
311 Request Apr 25
Other excessive noise
Noise

See all 34 events

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

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Every record we have

Full data for 50 Alta 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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