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437-439 Vermont St

Potrero Hill, SF 94107 3977011 3 units · 2 fl · 1927

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

NOVs (7y) vs. neighborhood
Compared to a typical building in Potrero Hill
At or below average
avg 1.1
1
FewerMore

This building has 1 novs (7y), at or below the Potrero Hill average of 1.1.

Rent & eviction protection

Is 437-439 Vermont 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 1927
2 or more units
3 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
Units3
Floors2
Year built1927
Total area4,134 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3977011
Ownership

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

Owner name
Quintal Laura N & Justin
Mailing address
34 Blake St Apt 2 San Francisco CA 94118
Last sale
102315

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.

437 Vermont St, San Francisco, CA 94107
439 Vermont St, San Francisco, CA 94107
Augrented Insights
Initial analysis

The 3-unit, 2-story multi-family residential building at 437-439 Vermont Street in Potrero Hill, built in 1927 and owned by Quintal Laura N & Justin, has undergone several significant renovations and faced multiple compliance issues in recent years. The most substantial recent work occurred in 2021-2022 in Unit 437, where approximately $76,000 was spent on a comprehensive renovation including kitchen relocation, bathroom rehabilitation, installation of a second bathroom, washer/dryer installation, and electrical work comprising 29 lights, 19 switches, and 9 receptacles. This work initially triggered complaints about unauthorized demolition work beyond the scope of permitted renovations, leading to additional permit modifications to comply with code requirements.

Prior to these recent improvements, the building underwent voluntary structural strengthening in 2019, involving anchor bolts and shear wall plywood installation at a cost of $10,000. Historical records show earlier maintenance work including reroofing in 1997 and entry door/window replacements in 1984. The building has a documented history of compliance issues that were subsequently resolved, including stair repairs and egress obstruction concerns in 2003 and multiple fire safety violations in 2008 relating to fire extinguishers, combustible storage, and gas meter instructions. Recent 311 calls from 2024 primarily concerned sidewalk blocking issues related to construction equipment, though most of these were resolved promptly. While the building had several violations in its history, most recent work has been properly permitted and completed, with no active violations on record as of 2024.

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

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Risk rating

How 437-439 Vermont 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
23th percentile

Out of 726 buildings in this neighborhood, 559 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
60%
No DBI
violation
40%
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 tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

Building size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

12-Month severity forecast
No violation 52.2%
Moderate concern 38.8%
Severe concern 9.0%
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

437-439 Vermont St event timeline

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

2022
Plumbing Permit Mar 14
Install new furnace.
Complete
Plumbing PermitMar 14
Work category: 1p; to remove existing heater in garage and to install new high efficiency heater on the 2nd floor.

See all 9 events

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

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Every record we have

Full data for 437-439 Vermont 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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