Free SF apartment background check

800-802 Potrero Ave

Inner Mission, SF 94110 4089039 3 units · 2 fl · 1904

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 Mission
At or below average
avg 2.6
0
FewerMore

This building has 0 novs (7y), at or below the Inner Mission average of 2.6.

Rent & eviction protection

Is 800-802 Potrero 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 1904
2 or more units
3 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
Units3
Floors2
Year built1904
Total area3,506 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot4089039
Ownership

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

Owner name
Weihnacht Douglas
Mailing address
763 De Haro St San Francisco CA 94107
Last sale
081018

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.

802 Potrero Ave, San Francisco, CA 94110
800 Potrero Ave, San Francisco, CA 94110
Augrented Insights
Initial analysis

The property at 800-802 Potrero Ave is a two-story, three-unit multi-family residential building constructed in 1904, currently owned by Douglas Weihnacht. The building has undergone several significant improvements over the past decade, including a sauna installation (2020), solar panel installation (2019), and comprehensive roofing work (2019). Major renovations were completed in 2015-2018, including a kitchen remodel for the top floor unit, multiple bathroom updates, electrical rewiring, and the installation of new fixture connections. The building faced some challenges between 2005-2006, including multiple housing code violations related to heating, plumbing, electrical systems, and security, all of which were resolved by March 2005. More recent concerns emerged in 2021-2022, including complaints about concrete work possibly affecting neighboring foundations, and concerns about unpermitted garage work, though these issues are now listed as not active. Additional infrastructure improvements include water main replacements in the surrounding area (2023) and plumbing/electrical work for reinforcing structures (2021).

The property has maintained active upkeep over recent years, with numerous completed permits showing ongoing maintenance and modernization efforts. Recent 311 calls primarily relate to external issues such as parking enforcement and street cleaning, rather than building-specific concerns. The most recent fire-related incidents were minor, with no civilian injuries reported. The building's maintenance history shows regular attention to both interior systems and exterior details, with most recent permits focusing on modernization and energy efficiency improvements, including the installation of 16 PV solar modules in 2019.

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

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Risk rating

How 800-802 Potrero 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
36th percentile

Out of 2380 buildings in this neighborhood, 1523 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
57%
No DBI
violation
43%
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.

DBI tenant complaints (past 7 years)

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

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 50.5%
Moderate concern 29.2%
Severe concern 20.3%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

800-802 Potrero Ave apartment reviews

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The story over time

800-802 Potrero Ave event timeline

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

2026
311 Request Jun 18
Garbage and debris
human waste or urine
311 RequestMay 19
Curb or curb ramp defect

See all 17 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 800-802 Potrero 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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