Free SF apartment background check

1590 26Th Ave

Central Sunset, SF 94122 1871014D 10 units · 2 fl · 1963

This building has far more open problems than almost any other in the neighborhood. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Central Sunset
Above average
avg 0.7
8
FewerMore

This building has 8 novs (7y), above the Central Sunset average of 0.7.

Rent & eviction protection

Is 1590 26Th 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 1963
2 or more units
10 units
Property type
Multi-Family Residential
Zoning
NC1
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
Units10
Floors2
Year built1963
Total area6,732 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1871014D
Ownership

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

Owner name
Leung Ken & Connie
Mailing address
Ken Leung Po Box 320068 San Francisco CA 94132
Last sale
080414

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 10-unit, 2-story multi-family residential building at 1590 26th Avenue in the Central Sunset neighborhood, owned by Ken & Connie Leung and constructed in 1963, has undergone several significant safety upgrades and renovations in recent years. Most notably, in October 2023, the building completed a major fire alarm system upgrade costing over $26,000 to comply with current fire code requirements, which included installing new devices and low-frequency sounders in sleeping areas. The property has maintained an active maintenance schedule, with window replacements (30 windows) completed in 2020, stucco repairs in 2021, and a reroofing project in 2015. A voluntary seismic upgrade was performed in 1991, demonstrating attention to structural safety.

The building experienced a cluster of violations and complaints in early 2020, primarily related to building maintenance and safety systems, including weatherproofing issues, window leaks, and various interior surface problems. These violations were notably abated by February 2020. The property has a history of fire safety-related issues, with multiple fire complaints recorded between 2008 and 2023, though most were promptly addressed and marked as "Condition Corrected," including concerns about alarm systems, extinguishers, and sprinkler systems. While the building has experienced some recent maintenance issues in 2024, primarily related to garbage and debris on the surrounding property, these have been addressed through regular cleaning services. The most recent completed works and active maintenance projects suggest ongoing attention to building safety and habitability standards, though the property has experienced periodic regulatory inspections and required corrections over the years.

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

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Risk rating

How 1590 26Th 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
2th percentile

Out of 814 buildings in this neighborhood, 798 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
31%
No DBI
violation
69%
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 21.5%
Moderate concern 33.5%
Severe concern 44.9%
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

1590 26Th Ave event timeline

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

2026
DBI Complaint Mar 19
No violations observed; affidavits received.
Housing Inspection Services
Fire ComplaintFeb 09
Sprinkler/Standpipe Systems

See all 21 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1590 26Th Ave 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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