Free SF apartment background check

450 Jones St

Tenderloin, SF 94102 0324014 60 units · 5 fl · 1910

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 Tenderloin
Above average
avg 12.0
83
FewerMore

This building has 83 novs (7y), above the Tenderloin average of 12.0.

Rent & eviction protection

Is 450 Jones 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 1910
2 or more units
60 units
Property type
Multi-Family Residential
Zoning
RC4
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
Units60
Floors5
Year built1910
Total area31,725 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0324014
Ownership

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

Owner name
Karah Mohammed
Mailing address
Sub Unit Di 107 Bridgeway Sausalito CA 94965
Last sale
081103

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.

450 Jones St, San Francisco, CA 94102
491 Ofarrell St, San Francisco, CA 94102
Augrented Insights
Initial analysis

The 450 Jones Street building, located in San Francisco's Tenderloin neighborhood, is a 5-story multi-family residential apartment building built in 1910 containing 60 units. The property has experienced ongoing maintenance and safety compliance challenges, particularly regarding its elevator and fire safety systems. Most recently, there have been multiple complaints about elevator functionality, with reports in 2024 indicating it has been non-operational for nearly three years, resulting in accessibility concerns. The building has also faced recent heating system issues, with "no heat" complaints filed in late 2024. Fire safety remains a significant focus, with multiple violations and complaints in 2023-2024 regarding the alarm systems, extinguishers, and sleeping area requirements. A comprehensive fire alarm upgrade was completed in late 2023, including the installation of low-frequency sounders and new equipment, suggesting an effort to address these ongoing concerns.

The building's maintenance history shows a pattern of addressing various infrastructure issues, including plumbing system upgrades, garbage chute repairs, and bathroom renovations. Recent plumbing work has included backflow device replacements and drain pipe repairs in 2022-2023. Despite these efforts, the building has faced multiple housing complaints in 2024 regarding leaks, structural concerns, and pest issues, indicating ongoing maintenance challenges. The property has a history of fire safety violations between 2020-2024, including issues with alarm systems, extinguishers, and storage conditions. While many of these violations have been marked as abated, the frequency of recent fire safety violations suggests continued monitoring of safety systems is required. The building's history also includes several infrastructure improvements, such as fire sprinkler system installations and various plumbing upgrades, indicating efforts to maintain and improve the building's systems, though these improvements appear to be reactive rather than proactive in nature.

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

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Risk rating

How 450 Jones 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
1th percentile

Out of 172 buildings in this neighborhood, 170 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
5%
No DBI
violation
95%
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.

DBI complaints, owner's portfolio

Complaints across all of this owner's buildings over 7 years.

Building size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

12-Month severity forecast
No violation 4.1%
Moderate concern 82.8%
Severe concern 13.1%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

450 Jones St apartment reviews

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The story over time

450 Jones St event timeline

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

2026
Fire Complaint May 19
Alarm Systems
Violation Issued
311 RequestApr 27
Garbage and debris

See all 32 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 450 Jones 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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