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1445-1447 47Th Ave

Outer Sunset, SF 94122 1806046 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 Outer Sunset
At or below average
avg 1.8
0
FewerMore

This building has 0 novs (7y), at or below the Outer Sunset average of 1.8.

Rent & eviction protection

Is 1445-1447 47Th 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 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 area2,800 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1806046
Ownership

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

Owner name
Mark Gordon & Lau Anne Shek
Mailing address
1532 Mason St San Francisco CA 94133
Last sale
050197

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.

1445 47th Ave, San Francisco, CA 94122
1447 47th Ave, San Francisco, CA 94122
Augrented Insights
Initial analysis

The two-unit residential building at 1445-1447 47th Avenue in San Francisco's Outer Sunset neighborhood is a two-story flats and duplex structure built in 1964, currently owned by Mark Gordon and Lau Anne Shek. The property has undergone several significant improvements over the past decade, including a completed housetrap replacement in 2014, an $18,000 rear stair replacement in 2021, and recent work filed in December 2022 for the replacement of four front aluminum windows with vinyl windows. The building's maintenance history includes some concerning issues from 1995, when multiple housing complaints were filed regarding defective flooring, missing smoke detectors, inoperable kitchen appliances, plumbing problems, and disrepair of the wood fence - though these issues were ultimately abated by September 1995. More recent complaints and maintenance issues appear relatively minor, including a general maintenance inquiry in January 2024 and reports of sidewalk blockage due to construction materials in 2015, which was promptly resolved.

The property's external maintenance record shows attention to public space obligations, with resolved cases for street cleaning and pavement defects reported in 2019, though there have been some recurring issues with driveway blocking, resulting in citations in both 2019 and most recently in February 2024. The building's permit history demonstrates ongoing investment in property maintenance and improvement, with particular attention to window and stair infrastructure, while plumbing and general maintenance issues suggest regular upkeep challenges typical of older residential buildings. The most recent construction activity, consisting of window replacement and stair work, indicates the owners are actively maintaining and upgrading the property's essential systems and appearance.

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

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Risk rating

How 1445-1447 47Th 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
91th percentile

Out of 632 buildings in this neighborhood, 57 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
89%
No DBI
violation
11%
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.

Neighborhood location

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

Building age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

12-Month severity forecast
No violation 80.0%
Moderate concern 12.7%
Severe concern 7.3%
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

1445-1447 47Th Ave event timeline

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

2022
Building Permit Dec 08
Replacement of 4 front aluminum windows with 4 vinyl windows
$2,000 · Cancelled

See all 3 events

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

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Every record we have

Full data for 1445-1447 47Th 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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