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628 Lyon St

North Panhandle, SF 94117 1177022 6 units · 3 fl · 1911

A handful of records on file over the last seven years, and our model sees a moderate chance of more in the next 12 months. A few records worth reading before you sign. Check whether they were closed out, and ask what was actually fixed.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in North Panhandle — not a forecast
At or below average
avg 1.7
0
FewerMore

This building has 0 novs (7y), at or below the North Panhandle average of 1.7.

The bar and the rating point different ways because they measure different things: the bar counts DBI violations already on file, the rating forecasts the next 12 months.

Rent & eviction protection

Is 628 Lyon 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 1911
2 or more units
6 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.

Statewide backstop · AB 1482

California Tenant Protection Act of 2019

Even when a building isn't covered by local rent stabilization, the statewide Tenant Protection Act (AB 1482) may still apply. It caps annual rent increases and requires the landlord to state a legal reason to end most tenancies.

15+ years since occupancy
Built 1911
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
Local rent control likely takes priority. This building appears to fall under the local ordinance above, which is stronger than AB 1482. Where a local just-cause ordinance applies, its rules govern instead of the state cap.

AB 1482 does not apply to single-family homes and condos unless owned by a corporation, REIT, or an LLC with a corporate member; to owner-occupied duplexes; or to deed-restricted affordable housing. The Act is in effect until January 1, 2030. Not legal advice — see the California landlord–tenant guide.

Building characteristics
Units6
Floors3
Year built1911
Total area6,300 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1177022
Ownership

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

Mailing address
Ruth K Wetherford, Trustee 730 Church St Apt 1 San Francisco CA 94114
Last sale
February 04, 1987

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 3-story multi-family residential building at 628 Lyon Street in Park North, owned by Ruth K Wetherford Revocable Trust, contains 6 units and was constructed in 1911. The building's maintenance history reveals several significant structural and safety improvements over the years. Most recently, in 2015, the property underwent voluntary strengthening work including the installation of bolts and plywood framing anchors at a cost of $18,000. There have been recurring issues with the rear wooden stairs, with repairs necessary in 2008 and 2013, indicating ongoing maintenance challenges in this area. The building's safety systems have required consistent attention, as evidenced by multiple fire safety violations and complaints between 2001-2004, including issues with fire extinguishers, sprinklers, and smoke detectors, though all were subsequently abated. Between 2009 and 2010, there were additional fire-related concerns regarding alarm systems and extinguishers that were corrected. The most recent routine safety inspection occurred in 2017, and the building has had five documented fire alarm activations over the years, all due to system malfunctions or unintentional transmissions, with no associated injuries.

The property has experienced several infrastructure challenges and maintenance needs over its history, including a no heat complaint in 1994 (resolved in 1996), multiple tree-related issues (with the most recent occurring in 2022), and various street cleaning and sidewalk maintenance matters. Recent 311 calls from 2021-2023 have primarily concerned external issues such as loose garbage, damaged trees, and hazardous materials on public property. The building's history shows a pattern of addressing major structural and safety concerns, though some elements, particularly regarding the rear stairs and fire systems, have required multiple interventions over time.

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

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Risk rating

How 628 Lyon 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

Lower risk — safer than most nearby

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Typical — about average for the neighborhood

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Higher risk — riskier than most nearby

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
28thpercentile

Out of 797 buildings in this neighborhood, 574 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.

RiskiestSafest
Predicted 12-month outcome
63%
No DBI
violation
37%
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.

Building permits, owner's portfolio

Permits pulled across all of this owner's buildings over 7 years.

12-Month risk forecast
Moderate failure risk 37%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

628 Lyon St apartment reviews

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On the map

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The story over time

628 Lyon St event timeline

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

No dated public records on file yet.
Every record we have

Full data for 628 Lyon St apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

Side by side

How 628 Lyon St compares to the neighborhood

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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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