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601 Diamond St

Noe Valley, SF 94114 2804031 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 Noe Valley
At or below average
avg 1.2
0
FewerMore

This building has 0 novs (7y), at or below the Noe Valley average of 1.2.

Rent & eviction protection

Is 601 Diamond 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
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
Floors2
Year built1900
Total area2,620 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot2804031
Ownership

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

Owner name
Valdez Valerie J
Mailing address
1168 Mount George Ave Napa CA 94558
Last sale
022421

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.

601 A Diamond St, San Francisco, CA 94114
601 Diamond St, San Francisco, CA 94114
Augrented Insights
Initial analysis

The two-unit residential building at 601 Diamond Street in Noe Valley, owned by Valerie J. Valdez, has undergone several significant modifications since its construction in 1900. The property has a documented history of addressing both maintenance and improvement projects, including a completed bathroom addition in the top unit (2018), replacement of 21 upper-story windows (2018), and various kitchen and bathroom remodels in both units (1999, 2004). A major proposed development was filed in 2021 to convert a garage space into two accessory dwelling units, though the current permit status remains "filed" rather than completed.

The building experienced notable issues in 2017, including multiple housing complaints related to mold, water damage, and improper occupancy, though all these violations were officially abated by August 2017. Earlier complaints from 1995 regarding illegal units and sanitation issues were also resolved. Recent building maintenance matters include two cancelled solar panel installation permits in 2015, and various plumbing and electrical upgrades associated with bathroom and kitchen renovations. The property has generated several 311 calls in recent years primarily related to driveway blocking and sidewalk defects, with the most recent activity involving parking enforcement matters in 2024. While the property has experienced periods of maintenance issues, records indicate that these have generally been addressed through appropriate permits and corrections, with most recent work focusing on routine maintenance and accessibility improvements.

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

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Risk rating

How 601 Diamond 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
96th percentile

Out of 1879 buildings in this neighborhood, 75 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
93%
No DBI
violation
7%
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.

Building permits, owner's portfolio

Permits pulled across all of this owner's buildings over 7 years.

12-Month severity forecast
No violation 87.5%
Moderate concern 9.5%
Severe concern 3.1%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

601 Diamond St apartment reviews

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The story over time

601 Diamond St event timeline

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

2024
311 Request May 23
Other
na

See all 2 events

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

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Every record we have

Full data for 601 Diamond 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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