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1633-1639 Noriega St

Central Sunset, SF 94122 2060046 4 units · 3 fl · 1951

This building has far more open problems than almost any other in the neighborhood. 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 1633-1639 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
Floors3
Year built1951
Total area4,701 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot2060046
Ownership

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

Owner name
Choy Realty Investments Llc
Mailing address
210 Castenada Dr Millbrae CA 94030
Last sale
042221

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.

1633 Noriega St, San Francisco, CA 94122
1633 A Noriega St, San Francisco, CA 94122
1639 Noriega St, San Francisco, CA 94122
1635 Noriega St, San Francisco, CA 94122
1637 Noriega St, San Francisco, CA 94122
Augrented Insights
Initial analysis

The property at 1633-1639 Noriega Street is a three-story multi-family residential building with retail space, containing 4 units and constructed in 1951. In recent years, the building underwent significant improvements to enhance safety and compliance, most notably the legalization of an additional dwelling unit in 2016-2019, which included the installation of a comprehensive NFPA sprinkler system valued at over $65,000. This work was completed in stages, with the final components including sprinkler heads, monitoring systems, and associated electrical work all being successfully completed by early 2019. The building’s systems were further upgraded in 2017 with the installation of a heat pump system, and all recent electrical work has been properly documented as complete.

The building's maintenance history shows attention to both safety and habitability concerns, with previous violations from 2001 (including issues with fire safety equipment, egress pathways, and electrical fixtures) having been resolved by October 2001. A pest inspection in 2010 reported termite and mice infestation, though this was marked as not active within two weeks. More recently, there was a fire alarm system violation issued in June 2019, which was abated within a week. The property has generated several 311 calls in recent years (2023-2024), primarily related to street cleaning issues and abandoned items outside the building, though these are typical urban maintenance matters rather than building-specific problems. Recent utility-related customer service interactions have been properly addressed.

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

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Risk rating

How 1633-1639 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
9th percentile

Out of 814 buildings in this neighborhood, 741 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
62%
No DBI
violation
38%
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 42.6%
Moderate concern 22.4%
Severe concern 34.9%
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

1633-1639 Noriega St event timeline

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

2024
311 Request Sep 06
Public utilities commission
billing customer callback

See all 2 events

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

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Every record we have

Full data for 1633-1639 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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