Free SF apartment background check

506-510 Vallejo St

Telegraph Hill, SF 94133 0132006

This building has more problems than most buildings in this neighborhood. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Telegraph Hill
At or below average
avg 1.2
0
FewerMore

This building has 0 novs (7y), at or below the Telegraph Hill average of 1.2.

Rent & eviction protection

Is 506-510 Vallejo 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 unknown
2 or more units
? units
Property type
Multi-Family Residential
Zoning
RM2
Not rent-controlled. Buildings constructed after 1978 are generally exempt from SF rent increase limits under the Costa-Hawkins Act.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units—
Floors—
Year built—
Total area—
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot0132006
Ownership

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

Owner name
Berg Living Trust
Mailing address
Jeffrey R & Friea M Berg, T 506 Vallejo St San Francisco CA 94133
Last sale
051121

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.

510 Vallejo St, San Francisco, CA 94133
506 Vallejo St, San Francisco, CA 94133
508 Vallejo St, San Francisco, CA 94133
Augrented Insights
Initial analysis

The building at 506-510 Vallejo Street in Telegraph Hill is a 3-story, 3-unit multi-family residential structure built in 1908, currently owned by Berg Living Trust. The property has undergone significant safety improvements over recent years, with major work focused on fire safety systems between 2019-2021, including the installation of a fire sprinkler system on the ground floor and updates to the fire alarm system. The sprinkler system installation, initially estimated at $15,000, was completed along with additional underground work, followed by a revision to modify the fire service requirements. In 2021, a wireless fire alarm system was added, though noted as not fully compliant with current fire codes or NFPA 72 standards.

The building has seen substantial structural improvements, including the addition of a garage on the first floor completed in 2017 for $70,000, along with various maintenance work such as re-roofing in 2015. Historical records from 2004-2006 show several violations related to building maintenance and safety systems, including issues with interior surfaces, plumbing, electrical systems, and fire safety equipment, all of which were officially abated by July 2006. More recently, there have been numerous parking-related complaints regarding driveway blocking in 2024, with multiple citations issued. A significant infrastructure issue was reported in June 2024 regarding sidewalk damage from tree roots, which remains open. The building experienced one documented smoke detector activation with no fire and no civilian injuries.

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

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Risk rating

How 506-510 Vallejo 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
29th percentile

Out of 684 buildings in this neighborhood, 486 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
73%
No DBI
violation
27%
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 complaint rate, owner's portfolio

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

Property class: tenancy in common

Tenancy-in-common ownership structure, which has distinct maintenance and management patterns.

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 60.5%
Moderate concern 29.1%
Severe concern 10.4%
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

506-510 Vallejo St event timeline

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

2026
311 Request May 01
Damaging property
hitting window or building

See all 16 events

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

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Every record we have

Full data for 506-510 Vallejo St apartments

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

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