Free SF apartment background check

3827 18Th St

Eureka Valley/Dolores Heights, SF 94114 3585081 2 units · 1 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 Eureka Valley/Dolores Heights
At or below average
avg 1.3
0
FewerMore

This building has 0 novs (7y), at or below the Eureka Valley/Dolores Heights average of 1.3.

Rent & eviction protection

Is 3827 18Th 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
Floors1
Year built1900
Total area1,215 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot3585081
Ownership

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

Owner name
Koehneke Kay E
Mailing address
3827 18th St San Francisco CA 94114
Last sale
062598

Landlord portfolio

Other SF properties this owner holds, with risk grades for each.

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Augrented Insights
Initial analysis

The two-unit residential building at 3827 18th Street in the Eureka Valley/Dolores Heights neighborhood is a single-story multi-family dwelling built in 1900, currently owned by Kay E. Koehneke. The property has undergone several significant structural improvements over the decades, including a chimney reconstruction project in 1990 and entry step repairs due to dry rot in 1986. Most notably, in 2012, the building received an electrical system upgrade with the installation of a new 100-amp service and main panel, including grounding and bonding work, which represents the most recent major infrastructure improvement on record.

The building's recent history (2023-2025) has been marked by numerous municipal services interactions, primarily related to street maintenance and public space issues rather than direct building concerns. The area has experienced recurring challenges with sidewalk cleanliness, with multiple reports of garbage, debris, and waste between 2023 and early 2025. There have also been several instances of graffiti (both on public infrastructure and nearby property), parking enforcement calls, and one encampment report, though all these cases were closed and resolved by appropriate agencies. While these external neighborhood issues do not directly reflect on the building's condition, they provide context about the surrounding area's maintenance challenges.

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

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Risk rating

How 3827 18Th 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
76th percentile

Out of 1278 buildings in this neighborhood, 307 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
85%
No DBI
violation
15%
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 permits, owner's portfolio

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

Building age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

12-Month severity forecast
No violation 82.8%
Moderate concern 12.4%
Severe concern 4.7%
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

3827 18Th St event timeline

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

No dated public records on file yet.
Every record we have

Full data for 3827 18Th 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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