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2 Diamond St

Corona Heights, SF 94114 2649001 12 units · 3 fl · 1924

This building has far more open problems than almost any other in the neighborhood. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Corona Heights
Above average
avg 1.2
13
FewerMore

This building has 13 novs (7y), above the Corona Heights average of 1.2.

Rent & eviction protection

Is 2 Diamond 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 1924
2 or more units
12 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
Units12
Floors3
Year built1924
Total area7,122 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot2649001
Ownership

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

Owner name
Dowd Gerald K Fam Liv Rev T
Mailing address
Gerald K Dowd P.O. Box 117057 Burlingame CA 94011
Last sale
000000

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 12-unit, 3-story multi-family residential building at 2 Diamond Street in Corona Heights, owned by the Dowd Gerald K Family Living Revocable Trust, has undergone several significant safety improvements since its construction in 1924. Most notably, in 2017, the building completed a $70,000 soft-story retrofit to enhance seismic safety, and in 2015, an emergency fire alarm system replacement was carried out to improve fire safety. Recent building violations from May 2024 revealed multiple interior maintenance issues requiring attention, including repairs to damaged cabinets, window latches, and various interior surfaces, as well as concerns about lead paint that were subsequently abated. The building has experienced recurring issues with its fire safety systems, as evidenced by multiple fire complaints and system malfunctions between 2010 and 2023, though most were resolved promptly.

Historical records show the building has undergone various maintenance and upgrade work, including a kitchen and bath remodel in Unit 4 in 2013, roofing work in 2005, and repair of loose stucco in 1995. The building has faced several operational challenges over the years, including a period of no hot water in 2011, sporadic heating issues, and concerns about unauthorized construction work, though these were generally resolved. A recent roof deck condition complaint was noted in planning records, and multiple fire and safety inspections have been conducted, with most issues being corrected promptly. The surrounding area has experienced some routine urban challenges as documented in 311 calls, primarily related to street cleaning and maintenance issues in 2024, though these are external to the building itself.

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

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Risk rating

How 2 Diamond 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
3th percentile

Out of 348 buildings in this neighborhood, 338 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.

Number of units

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

Building size

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

DBI tenant complaints (past 7 years)

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

12-Month severity forecast
No violation 21.6%
Moderate concern 60.6%
Severe concern 17.8%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

2 Diamond St apartment reviews

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The story over time

2 Diamond St event timeline

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

2026
311 Request Mar 26
Other including abandoned toter
Litter Receptacle Maintenance

See all 17 events

Full history back to 2022 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 2 Diamond 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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