Free SF apartment background check

450 Ellis St

Tenderloin, SF 94102 0323011 31 units · 5 fl · 1909

This building has more problems than most buildings in this neighborhood. Renters here report frequent, slow-to-fix problems. Get repair promises in writing and check the unit before signing.

NOVs (7y) vs. neighborhood
Compared to a typical building in Tenderloin
At or below average
avg 12.0
7
FewerMore

This building has 7 novs (7y), at or below the Tenderloin average of 12.0.

Rent & eviction protection

Is 450 Ellis 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 1909
2 or more units
31 units
Property type
Multi-Family Residential
Zoning
RC4
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
Units31
Floors5
Year built1909
Total area21,000 sq ft
Property typeMulti-Family Residential
Tax statusWelfare
Blocklot0323011
Ownership

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

Owner name
Neighborhood Housing Renewa
Mailing address
Asian Inc 1167 Mission St Fl 4 San Francisco CA 94103
Last sale
000000

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 31-unit, 5-story apartment building at 450 Ellis Street, constructed in 1909 and currently owned by Neighborhood Housing Renewal, has experienced several significant maintenance and safety issues in recent years. Most notably, there are active violations as of 2024 related to hot water temperature regulation and sink repairs, along with ongoing concerns about water damage and lead paint. The building's fire safety systems have required consistent attention, with violations recorded in 2023 and 2024 regarding sleeping area requirements, sprinkler maintenance, and extinguisher servicing. Recent plumbing upgrades include the installation of two tankless water heaters in late 2024, following previous efforts in 2021 and 2016 to modernize the building's heating systems.

The property has a documented history of water-related problems, particularly evident from multiple tenant complaints about ceiling leaks between 2017-2018, and recurring fire safety violations, including issues with the alarm system, sprinklers, and extinguishers. Structural improvements have been made over the years, including a seismic retrofit in 2000, roof replacement in 2006, and various fire safety system upgrades. The building's maintenance record shows a pattern of addressing basic infrastructure needs, though some systems appear to require regular emergency attention, as demonstrated by the 2019 fire alarm system replacement and ongoing temperature regulation violations. Recent 311 calls from late 2024 indicate persistent challenges with debris management around the property, though these are external to the building itself.

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

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Risk rating

How 450 Ellis 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
26th percentile

Out of 172 buildings in this neighborhood, 127 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
8%
No DBI
violation
92%
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.

NOV rate, owner's portfolio

Per-building NOV rate across everything this owner manages — high rates signal pattern neglect.

12-Month severity forecast
No violation 21.6%
Moderate concern 67.9%
Severe concern 10.5%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

450 Ellis St apartment reviews

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The story over time

450 Ellis St event timeline

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

2026
Plumbing Permit May 21
Work category: 1p; remove (2) tankless whs, and install laars mtv-200 volume wh.
Complete

See all 22 events

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

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Every record we have

Full data for 450 Ellis 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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