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330 Parnassus Ave

Cole Valley/Parnassus Heights, SF 94117 1275014 21 units · 3 fl · 1974

A handful of records on file over the last seven years, and our model predicts a high risk of further maintenance problems in the next 12 months. A few records worth reading before you sign. Check whether they were closed out, and ask what was actually fixed.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in Cole Valley/Parnassus Heights — not a forecast
At or below average
avg 0.9
0
FewerMore

This building has 0 novs (7y), at or below the Cole Valley/Parnassus Heights average of 0.9.

The bar and the rating point different ways because they measure different things: the bar counts DBI violations already on file, the rating forecasts the next 12 months.

Rent & eviction protection

Is 330 Parnassus 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 1974
2 or more units
21 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.

Statewide backstop · AB 1482

California Tenant Protection Act of 2019

Even when a building isn't covered by local rent stabilization, the statewide Tenant Protection Act (AB 1482) may still apply. It caps annual rent increases and requires the landlord to state a legal reason to end most tenancies.

15+ years since occupancy
Built 1974
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
Local rent control likely takes priority. This building appears to fall under the local ordinance above, which is stronger than AB 1482. Where a local just-cause ordinance applies, its rules govern instead of the state cap.

AB 1482 does not apply to single-family homes and condos unless owned by a corporation, REIT, or an LLC with a corporate member; to owner-occupied duplexes; or to deed-restricted affordable housing. The Act is in effect until January 1, 2030. Not legal advice — see the California landlord–tenant guide.

Building characteristics
Units21
Floors3
Year built1974
Total area13,620 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1275014
Ownership

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

Mailing address
Samuel R & Mary M Volpentes 127 Fairwood Court Richland WA 99352
Last sale

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 21-unit apartment building at 330 Parnassus Avenue, currently owned by Volpentest Living Trust, has undergone several significant updates and faced numerous challenges since its construction in 1974. Most notably, in May 2023, the building received substantial electrical system upgrades, with the replacement of ten sub-panels, including a house panel, indicating a comprehensive modernization of the building's electrical infrastructure. The property has experienced recurring fire safety issues, with violations noted in 2024 (alarm systems), 2023 (sleeping area requirements), 2022 (electrical systems), and 2021 (alarm systems and extinguishers), though most have been resolved or corrected.

The building's history includes several concerning periods, particularly between 2000-2006, when multiple violations were recorded, including issues with mold/mildew, building permits, security requirements, and various maintenance problems. Three illegal unit complaints were filed in 2008, suggesting compliance concerns regarding unauthorized occupancy. More recently, a routine inspection was filed in February 2023 and remains active, with building permit records showing maintenance work such as a 2012 storage room restoration and a 2011 window replacement project. The property has maintained some historical features, such as a 1992 reroofing permit, though this permit has expired.

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

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Risk rating

How 330 Parnassus 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

Lower risk — safer than most nearby

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Typical — about average for the neighborhood

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Higher risk — riskier than most nearby

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
2ndpercentile

Out of 526 buildings in this neighborhood, 515 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.

RiskiestSafest
Predicted 12-month outcome
22%
No DBI
violation
78%
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 risk forecast
High failure risk 78%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

330 Parnassus Ave apartment reviews

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On the map

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The story over time

330 Parnassus Ave event timeline

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

2025
Fire Complaint Jul 23
General Hazardous Materials
Fire ComplaintJul 23
Exit Maintenance

See all 11 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 330 Parnassus Ave apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

Side by side

How 330 Parnassus Ave compares to the neighborhood

This building against comparable properties in Cole Valley/Parnassus Heights. Toggle filters to narrow the peer group.

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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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