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1606-1610 Washington St

Nob Hill, SF 94109 0597006 3 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 Nob Hill
At or below average
avg 2.4
0
FewerMore

This building has 0 novs (7y), at or below the Nob Hill average of 2.4.

Rent & eviction protection

Is 1606-1610 Washington 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
3 units
Property type
Multi-Family Residential
Zoning
RM2
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
Units3
Floors3
Year built1908
Total area4,968 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0597006
Ownership

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

Owner name
Woo Wallace J
Mailing address
2152 Funston Ave San Francisco CA 94116
Last sale
061496

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.

1606 Washington St, San Francisco, CA 94109
1610 Washington St, San Francisco, CA 94109
1608 Washington St, San Francisco, CA 94109
Augrented Insights
Initial analysis

The three-unit multi-family residential building at 1606-1610 Washington Street in Nob Hill, owned by Woo Wallace J, is a three-story flats and duplex structure built in 1908. The building has experienced several significant maintenance events over its history, most notably a substantial cluster of violations in June 2001 that were promptly addressed and abated by August 2001. These violations included issues with fire safety (fire proofing), security (deadlatch locks), interior maintenance (damaged ceilings), and safety compliance (gas utility shutoff tool requirements). The building underwent a compliance remediation project in 1984, and there are records of roof work from 1996, though these permits have either expired or completed status was not clearly indicated.

More recently, the property has generated numerous 311 calls between late 2023 and 2024, primarily related to street cleaning and garbage debris issues in the surrounding area. These include reports of loose garbage, street cleaning needs, and instances of abandoned furniture and appliances. While these external maintenance issues don't directly affect the building's internal conditions, they do indicate ongoing concerns about property maintenance in the immediate vicinity. The most recent 311 calls (between November 2023 and January 2024) suggest regular street cleaning needs, though most were resolved without requiring further action. The last recorded routine inspection of the building was in April 2011, and there have been no major building violations reported in over 20 years, suggesting improved compliance with housing regulations since the 2001 violations were addressed.

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

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Risk rating

How 1606-1610 Washington 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
73th percentile

Out of 1125 buildings in this neighborhood, 304 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
76%
No DBI
violation
24%
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 size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

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.

12-Month severity forecast
No violation 39.0%
Moderate concern 17.0%
Severe concern 44.0%
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

1606-1610 Washington St event timeline

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

2026
311 Request Feb 10
Garbage and debris
other bagged boxed contained garbage

See all 5 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1606-1610 Washington St apartments

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

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