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510 Parker Ave

Lone Mountain, SF 94118 1145A024 6 units · 1975

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 Lone Mountain
Above average
avg 0.9
3
FewerMore

This building has 3 novs (7y), above the Lone Mountain average of 0.9.

Rent & eviction protection

Is 510 Parker 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 1975
2 or more units
6 units
Property type
Multi-Family Residential
Zoning
RM1
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
Units6
Floors
Year built1975
Total area
Property typeMulti-Family Residential
Tax statusNone
Blocklot1145A024
Ownership

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

Owner name
Matsouka Family Living Trus
Mailing address
T Okamoto & Company 1832 Buchanan St Ste 202 San Francisco CA 94115
Last sale
062800

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 6-unit multi-family residential building at 510 Parker Avenue, owned by the Matsouka Family Living Trust, has undergone several significant safety and maintenance upgrades since its construction in 1975. Most recently, in 2024, the building completed a major fire alarm system upgrade costing $28,200 to comply with current fire code requirements, including the installation of low-frequency sounders in sleeping areas and updating all existing devices. Earlier in 2024, the property received a new roof through a $29,900 project. The building has demonstrated commitment to seismic safety, completing a mandatory soft-story retrofit in 2016 at a cost of $50,000, which included the installation of a moment frame and shear wall for improved lateral stability.

Historical maintenance records show attention to various building systems and structures, including a 2015 electrical upgrade that relocated interior sub-panels from unit closets to hallway walls for improved access and safety. The property has experienced some code enforcement activity, particularly in 2003 and 2011, when violations were recorded regarding fire safety systems and building maintenance, though all these issues were promptly abated. Recent incidents primarily consist of recurring issues with street garbage management, with numerous notifications in late 2024 regarding overflowing city garbage cans. The building has a documented record of false fire alarms and system malfunctions, though no actual fire incidents or civilian injuries have been recorded. The property's fire safety systems have received regular attention, culminating in the recent comprehensive upgrade which addresses many previous concerns, including improvements to fire escape access and detection systems.

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

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Risk rating

How 510 Parker 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

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
67th percentile

Out of 519 buildings in this neighborhood, 171 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
88%
No DBI
violation
12%
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.

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.

12-Month severity forecast
No violation 84.1%
Moderate concern 9.1%
Severe concern 6.8%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
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The story over time

510 Parker Ave event timeline

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

2024
Building Permit Jul 12
Upgrade (e) fire alarm system to comply with sffc section 1103.7.6.1
$28,200 · Complete
Electrical PermitJul 10
Online electrical permit: 60 of buildings of 6 dwelling units or less. modification of an existing fire alarm system by upgrading the fire panel, update all existing devices to be compatible with new facp and provide low frequency sounders in all sleeping areas to meet

See all 9 events

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

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Every record we have

Full data for 510 Parker Ave 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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