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457 Andover St

Bernal Heights, SF 94110 5707020 2 units · 3 fl · 1900

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 Bernal Heights
At or below average
avg 1.2
1
FewerMore

This building has 1 novs (7y), at or below the Bernal Heights average of 1.2.

Rent & eviction protection

Is 457 Andover St 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 1900
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH1
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 built1900
Total area2,712 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot5707020
Ownership

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

Owner name
Pipkins Donald & Lorna D
Mailing address
457 Andover St San Francisco CA 94110
Last sale
092917

Landlord portfolio

Other SF properties this owner holds, with risk grades for each.

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Augrented Insights
Initial analysis

The three-story multi-family residential building at 457 Andover Street in Bernal Heights, owned by Donald and Lorna D Pipkins, was constructed in 1900 and contains two units. The property has a significant history of water drainage issues, with the most recent active concern being a broken rain gutter causing water diversion onto the neighboring property, first documented in November 2021. This led to subsequent repairs in June 2022. The building has experienced multiple periods of permit-related challenges, including an administrative permit in 2019 to clarify its use as a single-family dwelling, and historical work involving horizontal additions and exterior restoration dating back to the 1990s. Several violations were recorded between 2010 and 2019, including issues with roofing work, drainage systems, and vacant building concerns, though most have been resolved. Recent activity at the property has primarily involved municipal services addressing external matters such as tree maintenance and sidewalk access, with multiple 311 calls in 2024 regarding various public works issues. The building's record shows a pattern of maintenance and compliance challenges over the years, with particular attention needed to the ongoing water drainage system concerns, which have persisted through multiple complaints and violations.

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

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Risk rating

How 457 Andover St'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
32th percentile

Out of 1276 buildings in this neighborhood, 868 are predicted to be safer.

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

Building age

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

NOV rate, owner's portfolio

Per-building NOV rate across everything this owner manages — high rates signal pattern neglect.

12-Month severity forecast
No violation 68.3%
Moderate concern 24.2%
Severe concern 7.6%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

457 Andover St apartment reviews

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The story over time

457 Andover St event timeline

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

2026
311 Request Mar 25
Garbage and debris
other bagged boxed contained garbage
311 RequestMar 21
Public works

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 457 Andover St 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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