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1227-1231 San Bruno Ave

Inner Mission, SF 94110 4214018 3 units · 3 fl · 1906

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

NOVs (7y) vs. neighborhood
Compared to a typical building in Inner Mission
At or below average
avg 2.6
0
FewerMore

This building has 0 novs (7y), at or below the Inner Mission average of 2.6.

Rent & eviction protection

Is 1227-1231 San Bruno 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 1906
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
Floors3
Year built1906
Total area4,565 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot4214018
Ownership

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

Owner name
Toy Donald & Liang Rita J
Mailing address
6215 Skyline Blvd Hillsborough CA 94010
Last sale
121817

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.

1231 San Bruno Ave, San Francisco, CA 94110
1229 San Bruno Ave, San Francisco, CA 94110
1227 San Bruno Ave, San Francisco, CA 94110
Augrented Insights
Initial analysis

The three-unit, three-story multi-family residential building at 1227-1231 San Bruno Ave in the Inner Mission, constructed in 1906, has undergone significant renovations and faced several maintenance challenges over its history. The most recent issue, documented in December 2023, involves concerns about rotten steps and broken handrails, while previous renovations (2015-2016) included extensive work on fire stairs, with multiple permit revisions related to fire safety features. Between 2015 and 2016, the building received substantial updates including the installation of three new shower pans, replacement of heating units with 95% efficiency models, complete electrical system upgrades, and extensive plumbing work for three units comprising 6 bathrooms, 3 kitchens, and laundry facilities. The building has experienced several building code violations in the past, particularly between 2001-2003, related to security and maintenance issues such as broken windows, egress obstructions, and plumbing problems including a serious incident of raw sewage leakage in 2003.

The property underwent significant improvements during the 2015-2016 period, with approximately $85,000 in additional work authorized by building inspectors. Historical building complaints reveal past issues with water leaks, window problems, and security concerns, though most of these were resolved by 2002-2003. Recent 311 calls from 2019-2023 primarily relate to street cleaning and parking enforcement matters rather than building-specific issues. The building's documentation shows attention to fire safety improvements, with multiple revisions to fire stair construction and related features, along with successful resolution of previous violations. While the December 2023 complaint about stairs and handrails is currently noted as "Not Active," its recent nature warrants attention. The extensive renovations undertaken between 2015-2016 demonstrate significant investment in improving the building's systems and safety features, though the age of the building (1906 construction) suggests ongoing maintenance requirements are to be expected.

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

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Risk rating

How 1227-1231 San Bruno 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
25th percentile

Out of 2380 buildings in this neighborhood, 1785 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
48%
No DBI
violation
52%
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.

Building size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

Neighborhood (ZIP code)

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

12-Month severity forecast
No violation 36.3%
Moderate concern 40.2%
Severe concern 23.5%
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

1227-1231 San Bruno Ave event timeline

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

2023
DBI Complaint Dec 22
The steps are rotten and the hand rails are broken. the customer notified the landlord 3 weeks ago and was told it would be fixed. now the customer cannot reach the landlord. and nothing has been don.
Housing Inspection Services
311 RequestNov 07
General cleaning

See all 2 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1227-1231 San Bruno 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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