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618-620 7Th Ave

Inner Richmond, SF 94118 1638026 2 units · 3 fl · 1907

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 Inner Richmond
At or below average
avg 0.9
0
FewerMore

This building has 0 novs (7y), at or below the Inner Richmond average of 0.9.

Rent & eviction protection

Is 618-620 7Th 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 1907
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
Floors3
Year built1907
Total area6,412 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot1638026
Ownership

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

Owner name
Chiang Tony Ho Leung & Winn
Mailing address
618-620 7th Avenue San Francisco CA 94118
Last sale
072017

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.

620 07th Ave, San Francisco, CA 94118
618 07th Ave, San Francisco, CA 94118
Augrented Insights
Initial analysis

The property at 618-620 7th Avenue is a three-story, 2-unit multi-family residential building located in San Francisco's Inner Richmond neighborhood, built in 1907 and currently owned by Tony Ho Leung Chiang and Winn. The building has undergone significant renovations and improvements over the years, with the most substantial work occurring between 2004-2009, including a proposed horizontal and vertical addition (PA#200404151355 for $893,805), installation of a comprehensive new sprinkler system (cost: $29,400), complete electrical system upgrade with new 200-amp service and extensive fixture installation, and plumbing improvements including 8 bathrooms, 2 kitchens, and associated infrastructure. However, an expired permit from 2004 continues to show as an active violation since July 2008, prompting abatement proceedings.

More recent history includes a mold complaint from 2017, and a construction-related complaint in 2009 regarding work beyond the approved permit scope. The building underwent major system upgrades between 2007-2009, including new furnaces, complete electrical rewiring, and comprehensive sprinkler system installation. Planning records show concerns about excessive lot coverage during construction, and there was one 311 call related to sidewalk parking in 2020. The property has seen various permit and inspection activities throughout the years, with most recent documented work focusing on maintenance and systems upgrades rather than structural changes.

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

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Risk rating

How 618-620 7Th 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
50th percentile

Out of 1723 buildings in this neighborhood, 862 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
85%
No DBI
violation
15%
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.

Neighborhood location

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

Building permits, owner's portfolio

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

12-Month severity forecast
No violation 73.0%
Moderate concern 20.0%
Severe concern 7.1%
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

618-620 7Th 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 618-620 7Th 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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