Free SF apartment background check

1 Jordan Ave

Jordan Park/Laurel Heights, SF 94118 1039001 7 units · 3 fl · 1922

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 Jordan Park/Laurel Heights
Above average
avg 0.9
1
FewerMore

This building has 1 novs (7y), above the Jordan Park/Laurel Heights average of 0.9.

Rent & eviction protection

Is 1 Jordan Ave 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 1922
2 or more units
7 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
Units7
Floors3
Year built1922
Total area7,635 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1039001
Ownership

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

Owner name
David & Karen Blanz Fmly Tr
Mailing address
David W & Karen A Blanz Tr 721 Melissa Ct San Mateo CA 94402
Last sale
111820

Landlord portfolio

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

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Augrented Insights
Initial analysis

The three-story, seven-unit apartment building at 1 Jordan Ave, constructed in 1922 and owned by the David & Karen Blanz Family Trust, has undergone significant improvements and maintenance work over the past several years. Most notably, the building completed its mandatory soft-story seismic retrofit in 2019 (Tier 3), which included foundation work and structural upgrades. Recent improvements in 2021 included Unit 1's electrical system upgrade with new circuits and lighting, installation of a new heater frame, and fireplace modifications. The building has seen consistent maintenance and modernization efforts, with previous significant work including window replacements in 2018 (all top floor windows), Unit 7's kitchen and bathroom remodels, and a comprehensive electrical system upgrade in 2003 with the installation of a 400-amp service and sub-panels.

The building's maintenance record reveals attention to safety systems, though there were some past violations requiring attention to fire safety equipment and alarm systems in 2004. Recent years show regular boiler permit renewals and compliance checks, including a 2020 complaint that was resolved. While there have been occasional building system issues reported over the years, including a notable incident in 1997 regarding lack of heat (which was quickly addressed), the property has maintained generally good standing with building codes. Recent 311 calls from 2024 primarily concern external issues such as street cleaning and garbage management, rather than building-specific problems. The building's recent history suggests ongoing investment in maintenance and upgrades, with particular attention to seismic safety, electrical systems, and unit modernization.

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

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Risk rating

How 1 Jordan Ave'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
19th percentile

Out of 272 buildings in this neighborhood, 220 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
55%
No DBI
violation
45%
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.

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.

12-Month severity forecast
No violation 42.6%
Moderate concern 48.6%
Severe concern 8.8%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

1 Jordan Ave apartment reviews

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The story over time

1 Jordan Ave event timeline

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

2021
Plumbing Permit Dec 13
Work category: 1p; “remove back flow assembly. cap all lines to boiler.”
Complete
Building PermitOct 14
#4 -new frame for heater. heating exisitng, roughly 3 feet.

See all 14 events

Full history back to 2019 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1 Jordan Ave 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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