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3450 Pierce St

Marina, SF 94123 0463A022 12 units · 3 fl · 1929

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

NOVs (7y) vs. neighborhood
Compared to a typical building in Marina
At or below average
avg 1.1
0
FewerMore

This building has 0 novs (7y), at or below the Marina average of 1.1.

Rent & eviction protection

Is 3450 Pierce 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 1929
2 or more units
12 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
Units12
Floors3
Year built1929
Total area10,869 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0463A022
Ownership

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

Owner name
Joanne M Gomez Separate Pro
Mailing address
Joanne M Gomez, Trustee 127 15Th Ave San Francisco CA 94118
Last sale
101794

Landlord portfolio

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

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Augrented Insights
Initial analysis

The three-story, 12-unit multi-family residential building at 3450 Pierce Street in the Marina, owned by Joanne M Gomez Separate Pro, was constructed in 1929 and has undergone several significant improvements over its lifetime. Most notably, in 2014, the building completed mandatory soft-story seismic reinforcement work, which included new shear walls and grade beams, at a cost of $45,000. The building's systems have seen substantial upgrades, including the installation of a new 236.5k BTU steam boiler and hot water heater with a 119-gallon storage tank in 2018. Recent fire safety concerns have emerged, with a violation issued in September 2023 regarding exit maintenance, though this was subsequently addressed. The building has a history of fire safety inspections between 2015 and 2023, with various issues related to extinguishers and alarm systems being documented and mostly resolved, though a 2022 extinguishers complaint was found to have no merit.

The property has experienced recurring issues with driveway blocking in recent years, with multiple documented incidents between 2020 and 2024, though these are primarily parking enforcement matters. Historical records show past concerns with water damage in 1983 requiring wall and ceiling repairs, and a roofing project dating back to 1990. The soft-story retrofit completed in 2014 and the more recent heating system upgrade in 2018 demonstrate the owner's commitment to improving the building's structural integrity and systems. While there have been periodic fire safety concerns, most issues appear to have been addressed promptly, with the most recent violation in September 2023 being the only active matter as of October 2023.

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

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Risk rating

How 3450 Pierce 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
17th percentile

Out of 988 buildings in this neighborhood, 820 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
47%
No DBI
violation
53%
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.

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

12-Month severity forecast
No violation 36.8%
Moderate concern 38.2%
Severe concern 25.1%
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

3450 Pierce St event timeline

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

2023
Fire Complaint Sep 11
Exit Maintenance
Violation Issued

See all 3 events

Full history back to 2021 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 3450 Pierce 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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