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536-538 Parker Ave

Lone Mountain, SF 94118 1145A011 2 units · 2 fl · 1939

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
At or below average
avg 0.9
0
FewerMore

This building has 0 novs (7y), at or below the Lone Mountain average of 0.9.

Rent & eviction protection

Is 536-538 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 1939
2 or more units
2 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
Units2
Floors2
Year built1939
Total area2,468 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1145A011
Ownership

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

Owner name
Anne-Marie & Robert L Pierc
Mailing address
Pierce Robert L & Anne-mari 536 Parker Ave San Francisco CA 94118
Last sale
051017

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.

538 Parker Ave, San Francisco, CA 94118
536 Parker Ave, San Francisco, CA 94118
Augrented Insights
Initial analysis

The two-unit residential building at 536-538 Parker Avenue in Lone Mountain, owned by Anne-marie & Robert L Pierc, has undergone several significant improvements since its construction in 1939. The most substantial modernization was completed in 2015-2016, involving a comprehensive horizontal addition to the top floor, including an elevator installation, new bathroom, deck, and master suite, with associated structural work costing approximately $250,000. The building has received consistent maintenance and upgrades, including window replacements (most recently in 2019), roofing work (2010), and insulation improvements (2010). The property has seen important systems upgrades, including a solar installation in 2017 (6.4kW), complete rewiring and electrical service upgrade to 200 amps in 2016, and plumbing renovations including shower pan installations in 2017.

While the building has experienced two sewage backup incidents in October and November 2017, both were promptly addressed and resolved. The property's maintenance record shows regular upkeep and modernization, with recent work focused on maintaining building envelope performance through window upgrades and other improvements. The building's permits and inspection history demonstrate compliance with building codes and regulations, with most recent permits focusing on window replacement and other exterior improvements. Planning records indicate proper variance applications and approvals for major modifications, showing adherence to local regulatory requirements. Recent 311 calls have primarily related to external issues not directly impacting building safety or habitability, such as parking enforcement and illegal postings.

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

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Risk rating

How 536-538 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
53th percentile

Out of 519 buildings in this neighborhood, 244 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
86%
No DBI
violation
14%
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.

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

DBI complaint rate, owner's portfolio

Per-building complaint rate across the owner's portfolio.

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

12-Month severity forecast
No violation 82.8%
Moderate concern 11.9%
Severe concern 5.3%
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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On the map

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The story over time

536-538 Parker Ave event timeline

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

No dated public records on file yet.
Every record we have

Full data for 536-538 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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