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969-971 Duncan St

Diamond Heights, SF 94131 7513033 2 units · 3 fl · 1962

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 Diamond Heights
At or below average
avg 0.0
0
FewerMore

This building has 0 novs (7y), at or below the Diamond Heights average of 0.0.

Rent & eviction protection

Is 969-971 Duncan 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 1962
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 built1962
Total area3,270 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot7513033
Ownership

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

Owner name
Harris Hobart W
Mailing address
969 Duncan St San Francisco CA 94131
Last sale
060900

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.

971 Duncan St, San Francisco, CA 94131
969 Duncan St, San Francisco, CA 94131
Augrented Insights
Initial analysis

The property at 969-971 Duncan Street is a three-story, two-unit multi-family residential building constructed in 1962, currently classified as Flats & Duplex. The building has undergone several significant renovations and maintenance projects over the past few decades, with the most recent major work occurring in 2021, including a comprehensive $51,000 remodeling of the kitchen and two bathrooms, along with the replacement of 25 windows and patio doors valued at $17,000. Earlier improvements include a $23,500 reroofing project completed in 2008 and an earlier kitchen and bedroom remodeling in 1991. A condo conversion application was submitted in 2002, though this permit ultimately expired.

The building has experienced multiple service-related incidents, with recent concerns including recurring graffiti issues in early 2024 that required multiple instances of abatement, and several incidents of sidewalk parking violations in 2023-2024. A sewer issue was addressed in late 2023, and there have been various response calls to the building, primarily for false fire alarms and elevator malfunctions over the years, though none resulted in injuries. A notable building-related complaint was recorded in March 2008 regarding unauthorized construction of a deck at the back of the lower unit and unpermitted work in the upper unit, though this issue was subsequently resolved. The property has maintained an active record of compliance with necessary permits for major work, with most recent improvements properly documented through building, plumbing, and electrical permits.

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

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Risk rating

How 969-971 Duncan 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
94th percentile

Out of 17 buildings in this neighborhood, 1 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
95%
No DBI
violation
5%
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.

Building age

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

Construction spend, owner's portfolio

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

12-Month severity forecast
No violation 89.0%
Moderate concern 9.0%
Severe concern 2.0%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

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The story over time

969-971 Duncan St event timeline

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

2024
311 Request Aug 30
Parking on sidewalk
Parking Enforcement
311 RequestJan 22
Parking on sidewalk

See all 7 events

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

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Every record we have

Full data for 969-971 Duncan St apartments

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

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