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2365 Mariposa St

Potrero Hill, SF 94110 4013026 2 units · 3 fl · 1991

Nothing on record for this building in the last seven years, and our model puts it at a low risk of maintenance problems over the next 12 months. No public enforcement record to go on. Walk the building, ask the current tenants how repairs get handled, and get any promises in writing.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in Potrero Hill — not a forecast
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 2365 Mariposa 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 1991
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH2
Not rent-controlled. Buildings constructed after 1978 are generally exempt from SF rent increase limits under the Costa-Hawkins Act.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Statewide backstop · AB 1482

California Tenant Protection Act of 2019

Even when a building isn't covered by local rent stabilization, the statewide Tenant Protection Act (AB 1482) may still apply. It caps annual rent increases and requires the landlord to state a legal reason to end most tenancies.

15+ years since occupancy
Built 1991
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
May be covered by AB 1482. The building is old enough for the statewide rent cap (5% + regional CPI, capped at 10% per year) and just-cause protection after 12 months of tenancy.

AB 1482 does not apply to single-family homes and condos unless owned by a corporation, REIT, or an LLC with a corporate member; to owner-occupied duplexes; or to deed-restricted affordable housing. The Act is in effect until January 1, 2030. Not legal advice — see the California landlord–tenant guide.

Building characteristics
Units2
Floors3
Year built1991
Total area3,330 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot4013026
Ownership

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

Mailing address
Po Box 372 Calistoga CA 94515
Last sale
—

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-unit, three-story multi-family residential building at 2365 Mariposa Street in Potrero Hill, owned by Ted K & Sandra Surber, was constructed in 1991 following the demolition of a gas station on the site in 1987. The building has undergone several significant improvements over its lifetime, most notably a $13,100 reroofing project completed in 2022. Initial construction permits from 1988 ($320,000) and 1990 ($1) were followed by a 1991 permit for a fire sprinkler system installation, though this particular permit expired. In 1992, two additional permits were successfully completed to address earlier expired permits, indicating diligence in obtaining proper approvals during the building's early years.

The building has experienced relatively few major issues over its history, with only one notable building complaint reported in June 2017 regarding construction noise affecting a nearby unit, which was subsequently handled through the Building Inspection Division. The property has generated several 311 calls in recent years, though these primarily relate to external issues such as street cleaning, parking violations, and municipal services rather than building-specific problems. These calls include reports of loose garbage (2023), driveway blocking (2019), human or animal waste (2019), and various maintenance issues like graffiti (2018) and a missing sewer vent cover (2018). The most recent building-related work, the reroofing project in 2022, suggests ongoing maintenance of the property, though the expiration of the original fire sprinkler permit from 1991 and the successful completion of subsequent permits in 1992 might indicate the building was constructed with some safety systems installed and then updated as needed.

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

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Risk rating

How 2365 Mariposa 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

Lower risk — safer than most nearby

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Typical — about average for the neighborhood

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Higher risk — riskier than most nearby

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
87thpercentile

Out of 726 buildings in this neighborhood, 94 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.

RiskiestSafest
Predicted 12-month outcome
87%
No DBI
violation
13%
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.

Neighborhood location

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

Neighborhood (ZIP code)

The ZIP code captures local housing market and enforcement patterns that affect all buildings in the area.

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

12-Month risk forecast
Low failure risk 13%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

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The story over time

2365 Mariposa St event timeline

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

2022
Building Permit May 31
Reroofing
$13,100 · Complete

See all 1 events

Full history back to 2022 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 2365 Mariposa St apartments

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

Side by side

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