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1420 Jones St

Nob Hill, SF 94108 0189012 14 units · 4 fl · 1923

This building has more problems than most buildings in this neighborhood. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Nob Hill
At or below average
avg 2.4
1
FewerMore

This building has 1 novs (7y), at or below the Nob Hill average of 2.4.

Rent & eviction protection

Is 1420 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 1923
2 or more units
14 units
Property type
Multi-Family Residential
Zoning
RM3
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
Units14
Floors4
Year built1923
Total area10,113 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0189012
Ownership

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

Owner name
Yee Family Trust
Mailing address
David S & Jayne Yee, Truste P.O. Box 1944 Orinda CA 94563
Last sale
030221

Landlord portfolio

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

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Augrented Insights
Initial analysis

Located in Nob Hill, 1420 Jones Street is a 4-story, 12-unit multi-family residential building constructed in 1923 and currently owned by the Yee Family Trust. The building has undergone several significant improvements in recent years, including the successful completion of its mandatory Soft Story retrofit program, for which work was classified as Tier 3 and received its Certificate of Final Completion (CFC).

Recent major upgrades include a comprehensive fire safety system installation in 2020 valued at $29,100, featuring new smoke detectors, horn strobes, and other safety equipment to meet updated fire codes. The building underwent unit conversions and improvements between 2018-2022, adding new residential units and modernizing features such as sliding doors, door relocations, and window modifications. Plumbing and electrical systems received substantial upgrades, including new fire sprinkler systems, radiant heating installation, and electrical panel replacements. The building's fire safety record shows regular maintenance and prompt correction of violations, with the most recent issues from 2023 being resolved within weeks of citation. Historical complaints from 2014-2019 indicate past concerns with security, maintenance issues, and various safety concerns, including a notable complaint about stairs and emergency exits, though these appear to have been addressed through subsequent improvements. The property has experienced regular inspections and compliance checks, and while there have been periodic issues with the fire alarm system and sprinkler maintenance, these have typically been addressed promptly.

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

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Risk rating

How 1420 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
26th percentile

Out of 1125 buildings in this neighborhood, 832 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
31%
No DBI
violation
69%
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.

Building size

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

Number of units

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

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 14.4%
Moderate concern 77.7%
Severe concern 7.9%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

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The story over time

1420 Jones St event timeline

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

2026
Fire Complaint Feb 23
Sprinkler/Standpipe Systems
Violation Issued
311 RequestFeb 10
Garbage and debris

See all 14 events

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

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Every record we have

Full data for 1420 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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