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420 Monterey Blvd

Sunnyside, SF 94127 3092006 3 units · 2 fl · 1963

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 Sunnyside — not a forecast
At or below average
avg 1.9
0
FewerMore

This building has 0 novs (7y), at or below the Sunnyside average of 1.9.

Rent & eviction protection

Is 420 Monterey Blvd 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 1963
2 or more units
3 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.

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 1963
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
Floors2
Year built1963
Total area2,818 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3092006
Ownership

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

Mailing address
Mar Irene Trustee 1847 14Th Ave San Francisco CA 94122
Last sale
January 13, 2014

Landlord portfolio

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

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Augrented Insights
Initial analysis

The property at 420 Monterey Blvd is a two-story, three-unit multi-family residential building owned by the Irene Mar Revocable Trust, constructed in 1963 in San Francisco's Sunnyside neighborhood. The building has undergone regular maintenance and several significant improvements over the past decades, with the most recent major work including a $12,000 reroofing project completed in 2022, following earlier reroofing work in 2014 ($7,500). The building has seen substantial interior upgrades, including a bathroom remodel and electrical panel upgrade in 2014 ($95,000), furnace replacement, and repair of dry rot on the second-floor balcony and deck ($25,000). Earlier improvements included the repair of a rotted front patio deck in 2002 ($10,000), kitchen and bathroom renovations in 2001, and a water damage repair in 1996.

The building faced several fire and safety violations in late 2000, including egress obstructions, missing unit identification, stored combustibles, expired fire extinguishers, painted sprinkler heads, door issues, and damaged garage wall surfaces, all of which were resolved by December 2000. A routine inspection in 2010 and another in 2003 showed no ongoing concerns. Recent 311 calls from the area mostly relate to external issues such as sidewalk defects, parking violations, and graffiti concerns, with the most recent documented case being a sidewalk defect report in September 2024. The property has maintained compliance with building codes since the previous violations were addressed, and recent maintenance work suggests ongoing attention to property upkeep, though the frequency of roof replacements (1996, 2014, 2022) indicates this may be a continuing maintenance requirement.

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

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Risk rating

How 420 Monterey Blvd'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
59thpercentile

Out of 129 buildings in this neighborhood, 53 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
74%
No DBI
violation
26%
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.

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

Building age

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

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 risk forecast
Low failure risk 26%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

420 Monterey Blvd apartment reviews

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On the map

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The story over time

420 Monterey Blvd event timeline

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

2026
Building Permit Jan 30
Siding: replace front side hardie to match (e) due to dry rot. street visible.
$25,000 · Complete
Planning RecordJan 30
Replace front side hardie siding to match existing due to dry rot.

See all 7 events

Full history back to 2022 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 420 Monterey Blvd apartments

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

Side by side

How 420 Monterey Blvd compares to the neighborhood

This building against comparable properties in Sunnyside. 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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