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1664 Washington St

Nob Hill, SF 94109 0597011A 6 units · 3 fl · 1913

A handful of records on file over the last seven years, and our model sees a moderate chance of more in the next 12 months. A few records worth reading before you sign. Check whether they were closed out, and ask what was actually fixed.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in Nob Hill — not a forecast
At or below average
avg 2.4
2
FewerMore

This building has 2 novs (7y), at or below the Nob Hill average of 2.4.

Rent & eviction protection

Is 1664 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 1913
2 or more units
6 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.

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 1913
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
Local rent control likely takes priority. This building appears to fall under the local ordinance above, which is stronger than AB 1482. Where a local just-cause ordinance applies, its rules govern instead of the state cap.

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
Units6
Floors3
Year built1913
Total area5,210 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0597011A
Ownership

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

Mailing address
1676 Bel Air Ave San Jose CA 95126
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 three-story, six-unit multi-family residential building at 1664 Washington Street in Nob Hill, built in 1913, has undergone several significant safety and maintenance upgrades in recent years. Most notably, the property completed a mandatory soft-story seismic retrofit in 2017 (CFC issued), and in 2019, the building received comprehensive fire safety improvements including a fire alarm system upgrade with sprinkler monitoring and low-frequency sounders in sleeping areas, along with the installation of new fire sprinklers in Unit 7 during its remodel. The building has seen regular maintenance and modernization efforts, including a water heater replacement in 2021 and a substantial remodeling project in Unit 7 in 2017 that converted part of the unit to storage and relocated the kitchen.

Historical records show the building has had its share of maintenance challenges, particularly in 2011 when violations were documented regarding exterior painting, staircase repairs, and various plumbing/electrical issues, all of which were subsequently addressed. Earlier fire safety violations from 2001 were also resolved, which included concerns about fire extinguisher maintenance and security bars. The most recent building complaint as of 2025 relates to an inactive boiler permit renewal request. The property's maintenance history indicates active management response to safety requirements, particularly regarding seismic safety and fire systems, with no recent active violations related to these critical systems.

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

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Risk rating

How 1664 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

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
47thpercentile

Out of 1125 buildings in this neighborhood, 596 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
61%
No DBI
violation
39%
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.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

Building size

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

12-Month risk forecast
Moderate failure risk 39%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

1664 Washington St apartment reviews

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The story over time

1664 Washington St event timeline

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

2025
Building Permit Jan 29
Reroofing - add second layer with bitumen roofing system - no hot works.
$25,000 · Complete
Planning RecordJan 29
New modified bitumen roofing system. Adding 2nd layer. No hotworks.

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 1664 Washington St apartments

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

Side by side

How 1664 Washington St compares to the neighborhood

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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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