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419-421 Holloway Ave

Ingleside, SF 94112 6983047 2 units · 2 fl · 1948

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 Ingleside
At or below average
avg 1.5
0
FewerMore

This building has 0 novs (7y), at or below the Ingleside average of 1.5.

Rent & eviction protection

Is 419-421 Holloway Ave 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 1948
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH2
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 built1948
Total area2,250 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot6983047
Ownership

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

Owner name
Ngo Qui C & Ha Kieu D
Mailing address
419 Holloway Ave San Francisco CA 94112
Last sale
051908

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.

421 Holloway Ave, San Francisco, CA 94112
419 Holloway Ave, San Francisco, CA 94112
Augrented Insights
Initial analysis

This two-unit multi-family residential building, located at 419-421 Holloway Ave in the Ingleside neighborhood, was built in 1948 and is currently owned by Qui C. Ngo and Ha Kieu D. The property's significant historical events primarily occurred between 2006 and 2008, during which time there were several unauthorized construction activities at the garage level that triggered building violations. In late 2006, construction of a workshop room and bathroom was reported, leading to multiple complaints and violations between November 2006 and April 2007, which were ultimately resolved in January 2008. The owners attempted to legalize this construction through various permits, including electrical work for lighting and wiring, though some permits were cancelled and modifications were required, including the deletion of a storage room and bathroom in October 2007.

The building underwent several infrastructure improvements during the mid-2000s, including a 200-amp service upgrade with three meters and sub-panels in 2005, basement drain pipe removal in 2007, and ground floor wiring repairs in December 2007. An unrelated repair of rear stairs and vent pipe work was attempted in 1985, but that permit was cancelled. More recently, from October to December 2024, there have been multiple reports of garbage and debris in the vicinity of the property, including several incidents of abandoned furniture and yard waste, though all these cases were resolved promptly. There have also been two instances of reported sidewalk parking in late 2024, though enforcement officers were unable to locate the offending vehicles. While the building experienced significant unauthorized construction issues in the past, all known violations have been resolved and there have been no recent building code issues recorded since 2008.

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

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Risk rating

How 419-421 Holloway Ave'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
92th percentile

Out of 156 buildings in this neighborhood, 12 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
84%
No DBI
violation
16%
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 location

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

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

Neighborhood (ZIP code)

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

12-Month severity forecast
No violation 64.4%
Moderate concern 18.5%
Severe concern 17.0%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

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The story over time

419-421 Holloway Ave event timeline

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

2024
311 Request Dec 11
Garbage and debris
furniture

See all 1 events

Full history back to 2024 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 419-421 Holloway Ave apartments

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

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