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1519 Masonic Ave

Buena Vista Park/Ashbury Heights, SF 94117 1270012 3 units · 3 fl · 1900

Nothing on record for this building in the last seven years, and our model puts it at a low risk of maintenance problems over the next 12 months. No public enforcement record to go on. Walk the building, ask the current tenants how repairs get handled, and get any promises in writing.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in Buena Vista Park/Ashbury Heights — not a forecast
At or below average
avg 1.6
0
FewerMore

This building has 0 novs (7y), at or below the Buena Vista Park/Ashbury Heights average of 1.6.

Rent & eviction protection

Is 1519 Masonic 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 1900
2 or more units
3 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.

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 1900
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
Units3
Floors3
Year built1900
Total area3,500 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1270012
Ownership

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

Owner name
Mailing address
Carpeneti Walter L & Ruth A 634 Seward St Juneau AK 99801
Last sale

Landlord portfolio

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

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Augrented Insights
Initial analysis

1519 Masonic Avenue is a 3-unit, 3-story multi-family residential building located in the Buena Vista Park neighborhood, constructed in 1900 and currently owned by Carpeneti Family Trust. The building has undergone several significant maintenance and improvement projects over the past two decades. Most recently, in 2023, the property received a reroofing project costing $37,650 and completed repairs to the back stairs to address dry rot issues. Previous major work included a 2021 HVAC upgrade with the installation of a new furnace and electrical work, a 2013 kitchen and bathroom remodel with electrical service upgrade to 200 amps, and substantial exterior improvements in 2008 including deck replacement, window upgrades, and siding work. The building has a history of addressing structural and maintenance issues, including a comprehensive termite and dry rot treatment in 2009 costing $20,000, and earlier repairs to the back deck and stairs in 1997.

The property experienced several violations and complaints in the early 2000s related to safety and security requirements, including issues with fire extinguishers, egress obstruction, and lighting, all of which were resolved by 2003. A significant complaint in 1996 noted multiple maintenance issues including flooding fixtures and dry rot, which were addressed in subsequent years. Recent activity at the property primarily consists of 311 calls regarding parking and abandoned vehicles on the street, with the most recent building-related issue being a dog barking complaint in November 2023. The building's maintenance history shows regular attention to structural integrity and safety systems, with particular focus on addressing water damage, rot issues, and updating mechanical systems to meet current standards.

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

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Risk rating

How 1519 Masonic 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
71stpercentile

Out of 351 buildings in this neighborhood, 102 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
84%
No DBI
violation
16%
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 age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

Notices of Violation, owner's portfolio

DBI NOVs across all buildings this owner is registered on — a signal of systemic maintenance issues across the portfolio.

Owner's portfolio size

Number of SF parcels this owner is registered on — larger portfolios have distinct risk patterns.

12-Month risk forecast
Low failure risk 16%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

1519 Masonic Ave apartment reviews

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On the map

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The story over time

1519 Masonic Ave event timeline

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

2023
311 Request Sep 18
Abandoned vehicles
DPT Abandoned Vehicles Low
Building PermitMay 25
Reroofing

See all 6 events

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

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Every record we have

Full data for 1519 Masonic Ave apartments

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

Side by side

How 1519 Masonic Ave compares to the neighborhood

This building against comparable properties in Buena Vista Park/Ashbury 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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