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870 Fell St

Alamo Square, SF 94117 0822018 2 units · 2 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 Alamo Square
At or below average
avg 2.3
1
FewerMore

This building has 1 novs (7y), at or below the Alamo Square average of 2.3.

Rent & eviction protection

Is 870 Fell 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
RM1
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
Floors2
Year built1900
Total area3,688 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot0822018
Ownership

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

Owner name
Bowles Scott R
Mailing address
870 Fell St San Francisco CA 94117
Last sale
041107

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-unit, two-story multi-family residential building at 870 Fell Street in the Alamo Square neighborhood was constructed in 1900 and is currently owned by Scott R Bowles. The property has undergone several significant improvements over the years, most notably a comprehensive kitchen and bathroom remodel in 2017 of the lower unit to address an unpermitted remodeling complaint, costing $20,000. In 2004, substantial structural work was completed including the replacement of stairs and landing with a new steel frame system, valued at $25,000, along with revised stair details. The building has had two roofing projects, one completed in 1991 and a more recent one in 2009 costing $29,000.

In recent years, there have been multiple noise-related complaints recorded between 2019-2020, suggesting potential resident disturbance issues during that period, along with several incidents involving blocked driveways in 2020-2021 that resulted in citations. The property has experienced some tree-related incidents in 2020, including reports of vandalism, though these were addressed through city channels. A significant compliance issue arose in 2017 regarding unauthorized remodeling of the in-law unit, which was subsequently addressed through permitted renovations. Historical planning records indicate a zoning change consideration from RM-1 to RM-2 or RM-3, though the outcome is not specified in the available data. The building's maintenance and repair record suggests regular upkeep, with the most recent major work being the 2017 unit renovation to bring it into compliance with building codes.

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

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Risk rating

How 870 Fell 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
74th percentile

Out of 305 buildings in this neighborhood, 79 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
78%
No DBI
violation
22%
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.

Building age

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

Estimated permit spend (past 7 years)

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

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 74.5%
Moderate concern 19.4%
Severe concern 6.1%
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

870 Fell St event timeline

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

2026
Electrical Permit Apr 23
Install sub-panel at 3rd floor bedroom. install 20-amp dedicated bathroom circuit.
Issued
Planning RecordMar 02
Legalize a full bathroom in the 3rd floor (attic) level of an existing two-unit residential building; no change of use; no exterior work. Planning approval of this permit is required pursuant to DBI NOV # 202544247. The "kitchen" identified as unpermitted in the 10/9/2025 version of DBI NOV # 202544247 is a secondary kitchenette for the primary dwelling on floors 1-3 and complies with the Planning Code's definition for a Dwelling Unit in Section 102. Please note that upon consultation with DBI (Mauricio Hernandez), it was confirmed that DBI NOV # 202544247 was updated to clarify that the permit does not legalize an unauthorized kitchen.

See all 5 events

Full history back to 2025 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 870 Fell 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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