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1641 Lombard St

Cow Hollow, SF 94123 0505017A 2 units · 1 fl · 1922

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 Cow Hollow
At or below average
avg 0.7
0
FewerMore

This building has 0 novs (7y), at or below the Cow Hollow average of 0.7.

Rent & eviction protection

Is 1641 Lombard 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 1922
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
NC3
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 built1922
Total area1,585 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0505017A
Ownership

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

Owner name
Derek J & Michelle L Devane
Mailing address
Derek & Michelle Devaney, T 1641 Lombard St San Francisco CA 94123
Last sale
040814

Landlord portfolio

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

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Augrented Insights
Initial analysis

The property at 1641 Lombard Street is a two-unit multi-family residential building located in the Cow Hollow neighborhood, owned by Derek J & Michelle L Devane. Built in 1922, this single-story flats and duplex building has undergone several significant improvements over the years. Recent exterior maintenance includes a 2018 renovation of approximately 500 square feet of rear siding, where old materials were replaced with James Hardie siding at a cost of $5,000. The building has also seen window improvements in previous decades, with complete window replacements in 2010 (10 windows converted from aluminum to fiberx double glass) and in 1990 (aluminum windows replacing wood frames).

The property has experienced notable parking enforcement issues in the past year, with a particularly concentrated pattern of blocked driveway incidents between August and November 2023, resulting in multiple citations (including incidents involving vehicles such as a Toyota, Chevy, and Tesla). The most recent building-related incident on record is from September 2023, involving a citation issued for driveway blockage. Earlier 311 calls (from February to October 2024) primarily concerned abandoned items on the street, including a Christmas tree, a refrigerator, and a mattress, all of which were resolved by Recology street cleaning services. A single water-related incident was recorded, though no civilian injuries were reported. The building's maintenance record shows regular upkeep and modernization efforts, with the most recent major improvements focusing on exterior materials and window upgrades.

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

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Risk rating

How 1641 Lombard 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
87th percentile

Out of 861 buildings in this neighborhood, 112 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
89%
No DBI
violation
11%
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.

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

12-Month severity forecast
No violation 81.0%
Moderate concern 10.9%
Severe concern 8.1%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

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The story over time

1641 Lombard St event timeline

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

2026
311 Request May 23
Blocking driveway cite tow
Parking Enforcement
311 RequestApr 07
Missing side sewer vent cover

See all 5 events

Full history back to 2025 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1641 Lombard 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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