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131 18Th Ave

Lake Street, SF 94121 1378005 2 units · 2 fl · 1924

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 Lake Street
At or below average
avg 0.6
0
FewerMore

This building has 0 novs (7y), at or below the Lake Street average of 0.6.

Rent & eviction protection

Is 131 18Th 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 1924
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 built1924
Total area3,830 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1378005
Ownership

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

Owner name
Yip Family Trust
Mailing address
Yuk Ching Yip, Surviving Tr 131 18Th Ave San Francisco CA 94121
Last sale
000000

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 131 18th Ave, owned by the Yip Family Trust, was constructed in 1924 and is classified as a Flats & Duplex structure. The property underwent significant window improvements in 2006, when all 36 windows (excluding front-facing units) were replaced with new white vinyl windows at a cost of $17,000. A street space permit was issued in 2005, though the specific purpose and cost were not applicable.

Recent activity at the property in 2023-2024 has been dominated by multiple parking enforcement issues, particularly regarding driveway blockages, with eight documented cases of blocked driveways between February and May 2024, resulting in several citations and one tow-related incident. The pattern of parking violations suggests ongoing challenges with street parking in the area. Additionally, there was one report of tree-related issues in February 2024 involving a fallen tree. The building's documented history shows no major structural or safety concerns beyond these parking-related incidents, and the last significant building improvement (window replacement) occurred approximately 17 years ago.

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

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Risk rating

How 131 18Th 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
96th percentile

Out of 660 buildings in this neighborhood, 26 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
93%
No DBI
violation
7%
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.

Building size

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

Estimated permit spend (past 7 years)

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

Owner's portfolio size

Number of SF parcels this owner is registered on — larger portfolios have distinct risk patterns.

12-Month severity forecast
No violation 85.2%
Moderate concern 11.2%
Severe concern 3.6%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

131 18Th Ave apartment reviews

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The story over time

131 18Th Ave 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 131 18Th 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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