Free SF apartment background check

1641-1647 Noriega St

Central Sunset, SF 94122 2060045 4 units · 2 fl · 1951

This building has significantly more problems than most nearby buildings. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Central Sunset
At or below average
avg 0.7
0
FewerMore

This building has 0 novs (7y), at or below the Central Sunset average of 0.7.

Rent & eviction protection

Is 1641-1647 Noriega 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 1951
2 or more units
4 units
Property type
Multi-Family Residential
Zoning
NC2
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
Units4
Floors2
Year built1951
Total area3,262 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot2060045
Ownership

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

Owner name
Ng Family Revoc Trust
Mailing address
Ng Jake S & Donna Kwong Tru 916 Ortega St San Francisco CA 94122
Last sale
100913

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.

1645 Noriega St, San Francisco, CA 94122
1643 Noriega St, San Francisco, CA 94122
1641 Noriega St, San Francisco, CA 94122
1647 Noriega St, San Francisco, CA 94122
Augrented Insights
Initial analysis

The Ng Family Revocable Trust owns this two-story, four-unit multi-family residential building with commercial space, constructed in 1951 at 1641-1647 Noriega Street in San Francisco's Central Sunset neighborhood. The property has undergone significant improvements and maintenance since 2002, with substantial commercial tenant improvements completed in 2012-2013 including accessibility upgrades, bathroom installations, and interior modifications totaling approximately $151,000. Major infrastructure upgrades were completed in 2013, including a 400-amp electrical service upgrade with multiple meters installed, new central heating system, and plumbing work for accessible restrooms. More recent maintenance includes sewer line replacement work in 2018, indicating ongoing infrastructure upkeep.

The building has experienced multiple waste management issues in recent months, with ten separate reports of abandoned garbage, debris, and electronic waste documented between November 2024 and January 2025, though all these cases were resolved by city authorities. A street light outage was also reported and resolved in November 2024. While the property has maintained its structural and systems components through regular upgrades and repairs, the recent pattern of waste management issues suggests external environmental challenges in the immediate vicinity, though these are not directly related to the building's structural or systems conditions. Historical records show earlier improvements including ceiling framing replacement in 2003 and various unit remodels throughout the 2000s, demonstrating consistent property maintenance over time.

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

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Risk rating

How 1641-1647 Noriega 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
13th percentile

Out of 814 buildings in this neighborhood, 708 are predicted to be safer.

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

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

Property class: apartment building

Apartment building — this property classification influences expected violation rates.

12-Month severity forecast
No violation 37.8%
Moderate concern 23.9%
Severe concern 38.4%
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

1641-1647 Noriega St event timeline

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

2023
311 Request Aug 15
Bulky items
Electronics

See all 1 events

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

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Every record we have

Full data for 1641-1647 Noriega St apartments

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

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