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266 Arlington St

Glen Park, SF 94131 6690017 2 units · 2 fl · 1964

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 Glen Park
At or below average
avg 1.4
0
FewerMore

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

Rent & eviction protection

Is 266 Arlington 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 1964
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 built1964
Total area2,404 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot6690017
Ownership

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

Owner name
Mervyn & Karen Mark Tr
Mailing address
Mark Mervyn Trustee 441 Portola Dr San Mateo CA 94403
Last sale
062397

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-unit multi-family residential building at 266 Arlington Street in Glen Park, constructed in 1964, has undergone several significant maintenance and repair activities over the past decades. Most notably, there was recent roof work completed in September 2020 at a cost of approximately $14,800, following a previously cancelled permit for similar work. The building's maintenance history shows attention to infrastructure, with multiple roofing projects including an approved permit in 1995 and two sewer-related issues addressed in 2021 and 2022, both of which were resolved through completed field work. In 1984, important improvements were made to bring the building into full compliance, along with the completion of a workroom and bathroom project.

The property has experienced various neighborhood maintenance issues in recent years, as evidenced by multiple 311 calls between 2022 and 2024. These include recurring concerns about street cleaning and garbage (resolved by Recology and other agencies), two sewage backup incidents (in 2021 and 2022), and parking enforcement matters. Most recently, in 2024, there have been open complaints regarding excessive noise and debris, which remain unresolved as of October 2024. While some of these issues relate to the surrounding area rather than the building itself, they provide context about the property's location. The building's documented history shows regular maintenance activity, particularly focused on roofing and compliance issues, with the most critical systems (sewer and drainage) being addressed promptly when problems arose.

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

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Risk rating

How 266 Arlington 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
96th percentile

Out of 364 buildings in this neighborhood, 15 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
91%
No DBI
violation
9%
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.

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

12-Month severity forecast
No violation 90.2%
Moderate concern 6.7%
Severe concern 3.1%
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

266 Arlington St event timeline

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

2025
Planning Record Nov 07
Block Book Notice
Closed - Approved
311 RequestOct 11
311 service request

See all 6 events

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

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Every record we have

Full data for 266 Arlington 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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