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2806-2810 Diamond St

Glen Park, SF 94131 6744026 3 units · 2 fl · 1890

This building has significantly more problems than most nearby buildings. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Glen Park
At or below average
avg 1.4
0
FewerMore

This building has 0 novs (7y), at or below the Glen Park average of 1.4.

Rent & eviction protection

Is 2806-2810 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 1890
2 or more units
3 units
Property type
Multi-Family Residential
Zoning
NC2
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
Floors2
Year built1890
Total area4,364 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot6744026
Ownership

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

Owner name
Randhahn Family Trust
Mailing address
Randhahn Gary J Trustee 13510 Sage Meadow Ln Valley Center CA 92082
Last sale
012315

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.

2810 Diamond St, San Francisco, CA 94131
2806 Diamond St, San Francisco, CA 94131
Augrented Insights
Initial analysis

The property at 2806-2810 Diamond Street in Glen Park is a 2-story, multi-family residential building constructed in 1890, containing 3 units plus a commercial space, currently owned by the Randhahn Family Trust. The building has undergone several significant maintenance and improvement projects in recent years, with the most pressing issues occurring in 2024. This includes repairs to rear stairs and deck damage (June 2024), extensive renovations including sewer pipe replacement, electrical panel replacement due to water damage, and tile updates (July 2024), totaling over $49,000 in work. Earlier improvements include a bathroom remodeling project (2022), new LED lighting installation (2021), and various electrical upgrades (2006-2024). The commercial portion of the building has seen recent activity with the installation of a new illuminated "Bank of America" sign in late 2023.

The property has experienced some infrastructure challenges as evidenced by multiple sewer and plumbing repairs, including underground pipe replacement in 2024. A series of 311 calls in 2023-2024 primarily relate to parking meter issues, curb defects, and street maintenance concerns, though these are more relevant to the property's urban context rather than specific building conditions. The building has a history of permitted improvements and maintenance work, including changes of use and sign installations, demonstrating compliance with local regulations. Recent construction projects suggest proactive maintenance of both residential and commercial components, though the frequency of repairs, particularly to exterior elements like stairs and decks, is notable.

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

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Risk rating

How 2806-2810 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
18th percentile

Out of 364 buildings in this neighborhood, 298 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
59%
No DBI
violation
41%
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.

DBI complaint rate, owner's portfolio

Per-building complaint rate across the owner's portfolio.

Property class: apartment building

Apartment building — this property classification influences expected violation rates.

DBI complaints, owner's portfolio

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

12-Month severity forecast
No violation 60.6%
Moderate concern 31.7%
Severe concern 7.7%
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

2806-2810 Diamond St event timeline

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

2026
311 Request Mar 18
Not offensive
building residential
311 RequestMar 01
Other illegal parking

See all 17 events

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

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Every record we have

Full data for 2806-2810 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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