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446-448 Waller St

Hayes Valley, SF 94117 0860013 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 Hayes Valley
At or below average
avg 2.3
0
FewerMore

This building has 0 novs (7y), at or below the Hayes Valley average of 2.3.

Rent & eviction protection

Is 446-448 Waller 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
RH3
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 area3,600 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0860013
Ownership

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

Owner name
440 & 446-448 Waller Street
Mailing address
Brian Kendall 446 Waller St San Francisco CA 94117
Last sale
121616

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.

448 Waller St, San Francisco, CA 94117
446 Waller St, San Francisco, CA 94117
Augrented Insights
AI summary

The property at 446-448 Waller Street is a two-unit, two-story multi-family residential building constructed in 1900, located in the Hayes Valley neighborhood. The building is currently undergoing significant renovations, with permitted work in late 2024 for remodeling bathrooms and kitchens in both units, valued at $90,000. Historical records show previous permits from January 2019 for various construction activities, including plans for a new rear building and shed demolition, but these permits were ultimately cancelled. Earlier improvements include the replacement of six top-floor windows in 2014 at a cost of $10,000.

The building has encountered several maintenance and compliance issues over the years, most notably in August 2017 when multiple complaints were filed regarding hazardous outlet wiring, unpermitted work, and unsafe construction practices, though these complaints are currently listed as not active. A 1994 complaint about possible illegal units with wiring concerns was filed but resolved within three weeks. The property has experienced recurring sidewalk cleanliness issues in recent years, with multiple 311 service calls between 2020 and 2024 reporting problems including garbage, graffiti, and human waste on public areas around the building, though all these cases have been resolved. Two minor fire incidents were recorded, involving a malfunctioning smoke detector and a flammable liquid spill, neither resulting in civilian injuries.

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Risk rating

How 446-448 Waller 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
75th percentile

Out of 1027 buildings in this neighborhood, 257 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
82%
No DBI
violation
18%
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.

Property class: multi-family flat

2–4 unit flats (class F) are a common SF building type with their own maintenance and complaint patterns.

12-Month severity forecast
No violation 68.6%
Moderate concern 12.9%
Severe concern 18.5%
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

446-448 Waller St event timeline

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

2026
Building Permit Feb 09
Revision to 202502059700: update heating system- electric heat pump water heater for radiant floor & domestic water heating, update title-24
$1 · Issued

See all 14 events

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

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Every record we have

Full data for 446-448 Waller 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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