Free SF apartment background check

1033 De Haro St

Potrero Hill, SF 94107 4160059 2 units · 3 fl · 1908

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 Potrero Hill
At or below average
avg 1.1
0
FewerMore

This building has 0 novs (7y), at or below the Potrero Hill average of 1.1.

Rent & eviction protection

Is 1033 De Haro 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 1908
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 built1908
Total area1,772 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot4160059
Ownership

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

Owner name
Michael Bell/Pauline Morton
Mailing address
Michael Bell & Pauline Mort 1033 De Haro St San Francisco CA 94107
Last sale
031611

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.

1033 B De Haro St, San Francisco, CA 94107
1033 De Haro St, San Francisco, CA 94107
1033 A De Haro St, San Francisco, CA 94107
Augrented Insights
Initial analysis

The property at 1033 De Haro Street is a three-story, 1908 multi-family residential building located in Potrero Hill, currently owned by Michael Bell and Pauline Morton. The building, classified as Flats & Duplex, contains two units and has undergone several significant modifications and renovations over the past two decades. The most recent major work, permitted in January 2021, involves converting an existing backyard structure into a new accessory unit, with an estimated cost of $87,500. This follows earlier efforts to add living space, including a 2006 permit for creating an additional unit within the existing building, and a 2004-2005 resolution of violations related to an unauthorized rear accessory building that was approximately 400 square feet in size.

The property's maintenance history reveals several structural and repair projects, including addressing dry rot issues in 2004, termite damage repairs in 2004, and various electrical and plumbing upgrades between 2005 and 2008. These improvements included a service upgrade and rewiring of the accessory structure, conversion of a laundry area to a kitchen sink, and installation of radiant heating. The building has experienced some parking-related enforcement issues in recent years, with several documented instances of vehicles blocking driveways or parking on sidewalks between 2018 and 2022, though these are primarily traffic-related matters rather than building concerns. Historical records show earlier repairs to the front porch and stairs dating back to 1987, indicating regular attention to building maintenance over time.

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

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Risk rating

How 1033 De Haro 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
80th percentile

Out of 726 buildings in this neighborhood, 145 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
84%
No DBI
violation
16%
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.

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

Neighborhood location

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

Neighborhood location

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

12-Month severity forecast
No violation 75.7%
Moderate concern 19.0%
Severe concern 5.3%
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

1033 De Haro St event timeline

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

2021
Building Permit Jan 04
Existing two story duplex - with a stand alone structure in the backyard of the building. the structure will be converted into a new accessory unit.
$5,000 · Issued

See all 1 events

Full history back to 2021 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1033 De Haro St apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

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