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682-696 20Th Ave

Central Richmond, SF 94121 1625017 9 units · 2 fl · 1922

This building has far more open problems than almost any other in the neighborhood. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Central Richmond
Above average
avg 0.5
1
FewerMore

This building has 1 novs (7y), above the Central Richmond average of 0.5.

Rent & eviction protection

Is 682-696 20Th 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 1922
2 or more units
9 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
Units9
Floors2
Year built1922
Total area9,350 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1625017
Ownership

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

Owner name
Owyang Angela
Mailing address
682 - 696 20th Ave San Francisco CA 94121
Last sale
080118

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.

688 20th Ave, San Francisco, CA 94121
684 20th Ave, San Francisco, CA 94121
694 20th Ave, San Francisco, CA 94121
686 20th Ave, San Francisco, CA 94121
682 20th Ave, San Francisco, CA 94121
696 20th Ave, San Francisco, CA 94121
690 20th Ave, San Francisco, CA 94121
692 20th Ave, San Francisco, CA 94121
Augrented Insights
Initial analysis

The 9-unit, 2-story multi-family residential building at 682-696 20th Avenue in the Central Richmond neighborhood, owned by Angela Owyang, has undergone several significant modifications and improvements since its construction in 1922. Most recently, in 2022, permits were filed for the addition of three ADU units at the ground floor in accordance with local ADU programs, though the current status remains under review. The building completed its required soft-story retrofit in 2017, achieving Tier 3 compliance and receiving the appropriate Certificate of Final Completion, which involved a $90,000 upgrade to meet seismic safety standards.

The property has undergone substantial interior improvements, including a comprehensive interior remodel in 2017 that updated kitchens and bathrooms across multiple units, added new laundry facilities, and included associated electrical and plumbing upgrades (costing $50,000 and $90,000 respectively). Historical records show earlier maintenance work including reroofing in 2014 (cost: $9,880), stair repairs in 2006, and furnace installation in 1994. The building has had several routine inspections and resolved various compliance issues through the years, including addressing fire safety concerns, security requirements, and plumbing/electrical violations. Noteworthy incidents include a brief gas odor issue in 2006, which was promptly investigated and resolved, and multiple 311 calls regarding parking enforcement and street cleaning issues in 2024. Recent fire safety inspections in March 2023 were found to have "No Merit" regarding claims of blocked exits and extinguisher issues, indicating that current building safety systems are functioning properly.

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

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Risk rating

How 682-696 20Th 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
4th percentile

Out of 2250 buildings in this neighborhood, 2160 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
36%
No DBI
violation
64%
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.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

12-Month severity forecast
No violation 28.6%
Moderate concern 58.5%
Severe concern 12.9%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

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The story over time

682-696 20Th Ave event timeline

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

2025
311 Request Aug 03
Parking on sidewalk
Parking Enforcement

See all 9 events

Full history back to 2019 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 682-696 20Th 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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