Free SF apartment background check

2451 Greenwich St

Cow Hollow, SF 94123 0513021 21 units · 4 fl · 1962

This building has far more open problems than almost any other in the neighborhood. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

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 2451 Greenwich 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 1962
2 or more units
21 units
Property type
Multi-Family Residential
Zoning
RH2
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
Units21
Floors4
Year built1962
Total area17,650 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0513021
Ownership

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

Owner name
Marina Heights Apartments L
Mailing address
3697 Mt Diablo Blvd Ste 250 Lafayette CA 94549
Last sale
051619

Landlord portfolio

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

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Augrented Insights
Initial analysis

Marina Heights Apartments is a 21-unit, 4-story multi-family residential building located in Cow Hollow, built in 1962. The building has undergone significant recent improvements, including a fire alarm system upgrade completed in 2023 to comply with San Francisco Fire Code requirements, and ongoing unit renovations with Unit 204 scheduled for work in 2025 (including kitchen updates and electrical panel relocation), following similar improvements completed in Unit 205 in 2022. The property has maintained regular upkeep with multiple roofing projects documented in 1990, 1994, 2015, and most recently in 2023, totaling substantial investment in maintenance infrastructure.

Historical records show several fire safety violations from 2002, including issues with combustible storage, fire extinguisher maintenance, and security concerns, though these violations are no longer active. The building has experienced recurring elevator issues and balcony door maintenance problems, with multiple complaints filed in 2019-2020 about balcony sliding doors and elevator service. A pattern of fire safety system corrections is evident, with multiple fire alarm and extinguisher-related complaints between 2011-2017, all marked as corrected. Recent 311 calls indicate ongoing external maintenance needs, including tree maintenance and street cleaning matters, though these are primarily external to the building itself. While the building has experienced numerous false fire alarms and system activations (including smoke detector and alarm system activations), none have resulted in civilian injuries, suggesting these incidents are primarily system-related rather than indicative of fire safety concerns.

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

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Risk rating

How 2451 Greenwich 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
3th percentile

Out of 861 buildings in this neighborhood, 835 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
31%
No DBI
violation
69%
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.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

Building size

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

DBI tenant complaints (past 7 years)

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

12-Month severity forecast
No violation 34.4%
Moderate concern 45.4%
Severe concern 20.2%
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

2451 Greenwich St event timeline

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

2025
Building Permit Jul 24
Unit# 3: kitchen and bathroom remodel. kitchen replace cabinets, countertop, sink, faucet, new flooring. bathroom replace existing bath tub, sink, toilet, retile surrounding areas.
$30,000 · Complete
Plumbing PermitJul 24
Unit 3: replace tub and shower valve also new angle stop valves for bathroom and kitchen.

See all 18 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 2451 Greenwich 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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