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322-326 Harriet St

South of Market, SF 94103 3779102 2 units · 2 fl · 1924

This building has a higher-than-average number of open problems nearby. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in South of Market
At or below average
avg 3.3
0
FewerMore

This building has 0 novs (7y), at or below the South of Market average of 3.3.

Rent & eviction protection

Is 322-326 Harriet 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
2 units
Property type
Multi-Family Residential
Zoning
SLI
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
Units2
Floors2
Year built1924
Total area2,500 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3779102
Ownership

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

Owner name
Piermarini Donald
Mailing address
306 Joost Ave San Francisco CA 94131
Last sale
022505

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.

322 Harriet St, San Francisco, CA 94103
326 Harriet St, San Francisco, CA 94103
324 Harriet St, San Francisco, CA 94103
Augrented Insights
Initial analysis

The two-unit residential building at 322-326 Harriet Street in San Francisco's South of Market neighborhood, owned by Donald Piermarini, has a relatively long history dating back to its 1924 construction as a flats and duplex building. The property has undergone limited documented renovations, with records showing an office addition at the rear completed in 1983 and a street space permit issued in 2009. The building has experienced several fire safety system issues in recent years, with violations noted in 2024 for sprinkler/standpipe systems and alarm systems, following earlier alarm system violations in July 2024. While no civilian injuries have been reported in recent fire incidents, there have been multiple false alarms and smoke detector activations.

The property has faced noticeable infrastructure challenges in late 2024, including a sewage back-up discharge from a catch basin in mid-December and several instances of garbage and debris requiring municipal attention. The building's immediate vicinity has experienced recurring street maintenance issues, with multiple reports of waste disposal problems, including human waste and needles, particularly during November 2024. While these external environmental concerns are notable, they primarily relate to the surrounding area rather than the building itself. The only documented building-specific safety concern in recent years was a wood utility ladder identified at the rear of the property in late 2009, which was subsequently addressed.

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

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Risk rating

How 322-326 Harriet 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
84th percentile

Out of 430 buildings in this neighborhood, 69 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
83%
No DBI
violation
17%
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.

Neighborhood (ZIP code)

The ZIP code captures local housing market and enforcement patterns that affect all buildings in the area.

Building size

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

DBI complaint rate, owner's portfolio

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

12-Month severity forecast
No violation 71.8%
Moderate concern 18.9%
Severe concern 9.4%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
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The story over time

322-326 Harriet St event timeline

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

2026
311 Request Mar 10
Other excessive noise
Noise

See all 5 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 322-326 Harriet St apartments

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

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