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507 Paris St

Excelsior, SF 94112 6274032 3 units · 2 fl · 1966

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 Excelsior
At or below average
avg 1.4
0
FewerMore

This building has 0 novs (7y), at or below the Excelsior average of 1.4.

Rent & eviction protection

Is 507 Paris 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 1966
2 or more units
3 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
Units3
Floors2
Year built1966
Total area3,321 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot6274032
Ownership

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

Owner name
Ngo James Y
Mailing address
507 Paris St San Francisco CA 94112
Last sale
121905

Landlord portfolio

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

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Augrented Insights
Initial analysis

This two-story, three-unit multi-family residential building located at 507 Paris Street in the Excelsior neighborhood was built in 1966 and is currently owned by James Y. Ngo. The property has undergone several notable improvements over the years, including a significant window replacement project in 2004 that involved installing 21 new vinyl windows, 10 of which are visible from the street. The building experienced a cluster of serious violations in April 2001, all of which were resolved by July 2001, including issues related to fire safety (egress obstruction, combustible storage, and fire escape ladder maintenance), security requirements (self-closing exterior doors), and general building maintenance (stairs repair). An August 2004 violation was also addressed, concerning handrail repairs and security upgrades. The building has undergone routine housing inspections in 1999, 2001, 2004, 2007, and most recently in 2011, with the 2007 inspection remaining active as of October 2023.

More recently, there have been numerous complaints regarding parking violations near the property between 2021 and 2024, including multiple instances of driveway blocking and illegal parking, though these are not directly related to the building's condition or safety. Two service requests in late 2024 involved garbage and debris issues near the property. While the building's historical records show periods of concern regarding safety and maintenance in the early 2000s, these violations were promptly addressed, and there have been no documented building-specific violations in recent years. The property appears to be well-maintained based on available housing inspection records, though the ongoing nature of parking-related issues in the vicinity suggests this remains an ongoing challenge for residents.

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

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Risk rating

How 507 Paris 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
50th percentile

Out of 337 buildings in this neighborhood, 168 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
71%
No DBI
violation
29%
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.

Neighborhood (ZIP code)

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

Construction spend, owner's portfolio

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

12-Month severity forecast
No violation 74.8%
Moderate concern 12.7%
Severe concern 12.4%
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

507 Paris St event timeline

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

2026
311 Request Jan 18
Blocking driveway cite only
Parking Enforcement

See all 3 events

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

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Every record we have

Full data for 507 Paris 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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