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1227-1231 Masonic Ave

Haight Ashbury, SF 94117 1244003 11 units · 3 fl · 1905

This building has significantly more problems than most nearby buildings. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Haight Ashbury
At or below average
avg 1.8
1
FewerMore

This building has 1 novs (7y), at or below the Haight Ashbury average of 1.8.

Rent & eviction protection

Is 1227-1231 Masonic 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 1905
2 or more units
11 units
Property type
Multi-Family Residential
Zoning
RH3
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
Units11
Floors3
Year built1905
Total area6,150 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1244003
Ownership

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

Owner name
Bierman 1991 Trust The
Mailing address
Arthur K Bierman 2405 24Th St Apt 3 San Francisco CA 94110
Last sale
000000

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.

1227 Masonic Ave, San Francisco, CA 94117
1231 Masonic Ave, San Francisco, CA 94117
1229 Masonic Ave, San Francisco, CA 94117
Augrented Insights
Initial analysis

The three-story, 11-unit multifamily residential building at 1227-1231 Masonic Avenue in the Haight Ashbury neighborhood was constructed in 1905 and is currently owned by the Bierman 1991 Trust. The property has undergone several significant improvements over recent years, most notably a fire alarm system upgrade completed in August 2023 to comply with San Francisco fire code requirements, and a completed soft-story retrofit in 2018, demonstrating compliance with seismic safety requirements. The building has received regular maintenance attention, including the installation of heat pumps in 2022, sewer line repairs in 2014, and a reroofing project in 2015. Historical issues from 2007 included multiple building code violations related to plumbing, stair repairs, interior surfaces, and fire safety, all of which were resolved within approximately two months, along with a fire escape ladder maintenance requirement. More recent fire safety concerns in 2024 resulted in a citation for the alarm system, while previous violations from 2021 regarding sprinklers/standpipes and extinguishers were corrected.

The building's maintenance history shows attention to both structural and safety systems, with records indicating proper remediation of various plumbing issues, including comprehensive sewer line replacements in multiple units in 2014. Recent tenant buyouts were recorded at this address, with one occurring in 2023 for $23,000 and another in 2016 for $25,000, though no additional buyouts are currently listed. The property's common areas are currently the subject of an active complaint filed in January 2024, and there have been multiple recent 311 calls (2024) regarding street cleaning and maintenance issues, though these appear to be primarily related to external public space rather than building-specific concerns. The building has completed its soft-story retrofit requirements and is classified as Tier 3, with a Certificate of Final Completion issued, indicating compliance with seismic safety improvements.

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

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Risk rating

How 1227-1231 Masonic 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
11th percentile

Out of 581 buildings in this neighborhood, 517 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
35%
No DBI
violation
65%
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.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

Neighborhood location

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

12-Month severity forecast
No violation 24.6%
Moderate concern 34.4%
Severe concern 41.0%
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

1227-1231 Masonic Ave event timeline

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

2025
311 Request Dec 17
Garbage and debris
other loose garbage debris yard waste

See all 14 events

Full history back to 2021 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1227-1231 Masonic 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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