Free SF apartment background check

291-297 27Th Ave

Sea Cliff, SF 94121 1387017 4 units · 2 fl · 1920

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 Sea Cliff

At or below average

avg 0.8

0

FewerMore

This building has 0 novs (7y), at or below the Sea Cliff average of 0.8.

12-Month Maintenance Forecast

24%

(risk — lower is better)

Looks clean

Estimated probability of a DBI violation or complaint in the next 12 months.

7-YEAR TREND Violations + complaints / yr

'20

'21

'22

'23

'24

'25

'26

'27*

*Next year, projected from recent activity and predicted risk.

7-Year Historical Counts

0

NOVs (7y)

0

DBI Complaints (7y)

45

311 Calls (7y)

0

Fire Incidents

0

2nd NOVs

0

Dir. Hearings

0

City Atty

1

Permits (7y)

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Rent & eviction protection

Is 291-297 27Th 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 1920

2 or more units

4 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

Units	4
Floors	2
Year built	1920
Total area	4,120 sq ft
Property type	Multi-Family Residential
Tax status	None
Blocklot	1387017

Ownership

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

Owner name

Hs Wong Revoc Trust

Mailing address

Wong Howard M & Summer Trus 683 6Th Ave San Francisco CA 94118

Last sale

061400

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.

297 27th Ave, San Francisco, CA 94121

295 27th Ave, San Francisco, CA 94121

291 27th Ave, San Francisco, CA 94121

293 27th Ave, San Francisco, CA 94121

Augrented Insights

Initial analysis

The 4-unit, 2-story multi-family residential building at 291-297 27th Avenue in Sea Cliff, owned by Hs Wong Revocable Trust, has undergone several significant maintenance and safety improvements since its construction in 1920. Most recently, in June 2024, the building received a new $22,000 roof, and in 2016, all units were upgraded to a new 200-amp electrical service with sub-panels. The building has a history of addressing code compliance issues, with important repairs made in 2006 including handrail installations, lighting improvements, and remediation of water damage in bathrooms. Previous violations from 2001 related to fire safety, security, and heating systems were successfully abated by October 2001, while 2006 violations concerning heating, mold, handrails, and various repairs were addressed through subsequent permits and inspections.

The building's maintenance record shows a pattern of proactive upkeep, with structural work including exterior stucco replacement in 1985 and various electrical improvements in recent years. Notable recent issues include multiple reports of garbage and debris on or near the property between July and January 2024, with nine separate incidents involving different types of waste requiring city intervention, though all were resolved. The building has experienced three routine inspections (2001, 2006, and 2008) by Housing Inspection Services, and while there were two fire-related complaints in 2009, one was found to have no merit and the other was corrected. There have been no fire incidents or civilian injuries recorded at the property, and the most recent street space permits were issued in 2014. The property's documented history indicates regular maintenance and prompt response to violations, with particular attention to electrical, safety, and structural improvements over the years, culminating in the recent roof replacement and electrical upgrades that enhance the building's overall safety and functionality.

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

Risk rating

How 291-297 27Th 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

65th percentile

Out of 20 buildings in this neighborhood, 7 are predicted to be safer.

RiskiestSafest

Predicted 12-month outcome

76%

No DBI
violation

24%

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.

Estimated permit spend (past 7 years)

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

Owner's portfolio size

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

12-Month severity forecast

No violation 66.1%

Moderate concern 20.5%

Severe concern 13.4%

Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.

Apartment reviews

291-297 27Th Ave apartment reviews

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On the map

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The story over time

291-297 27Th Ave event timeline

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

2026

311 Request Mar 26

Garbage and debris

glass

See all 6 events

Full history back to 2024 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 291-297 27Th Ave apartments

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

What this is

Permits issued by the SF Department of Building Inspection for new construction, alterations, and repairs. Includes estimated cost and current permit status.

Permit #	Description	Cost	Filed	Status
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What this is

Plumbing permit applications filed with the SF Department of Building Inspection. Covers plumbing installation, repair, and replacement work.

Permit #	Description	Filed	Status
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What this is

Electrical permit applications filed with the SF Department of Building Inspection. Covers electrical wiring, panel upgrades, and related work.

Permit #	Description	Filed	Status
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What this is

Notices of Violation issued by the SF Department of Building Inspection for code violations. Unresolved notices can escalate to legal action.

Date Filed	Complaint #	Description	Item	Category	Status
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What this is

Complaints filed with the SF Department of Building Inspection about code violations. Tracks the complaint lifecycle from filing through abatement or referral.

Complaint #	Date Filed	Date Abated	Division	Status	Description
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What this is

Planning Department project entitlements — discretionary review, conditional use, variances, and environmental review for this parcel.

Address	Opened	Closed	Status	Description	Applicant
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What this is

Planning Department administrative and compliance records that are not full project entitlements — pre-application meetings, code violations, and referrals.

Address	Opened	Closed	Status	Description	Applicant
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What this is

SFFD fire incidents geo-joined to this parcel. Covers structure fires, alarms, and emergency responses with injury and fatality counts.

Date	Situation	Civilian Injuries	Civilian Fatalities
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What this is

Fire code violations issued by the SFFD. Tracks corrective actions required and resolution status for fire safety code enforcement.

Violation Date	Description	Corrective Action	Status	Close Date
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What this is

Fire code complaints received by the SF Fire Department geo-joined to this parcel. Includes complaint type, disposition, and outcome.

Received	Description	Disposition Date	Disposition
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What this is

SF 311 service requests geo-joined to this parcel. Includes maintenance complaints, street/sidewalk issues, and quality-of-life requests.

Opened	Type	Agency	Category	Details	Status
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What this is

Buildings subject to SF's mandatory soft-story seismic retrofit program. Unreinforced multi-story wood-frame buildings must meet compliance tiers.

Tier	Status
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What this is

Tenant buyout (Ellis Act pre-cursor) agreements recorded with the SF Rent Board. Tracks amounts paid to tenants to vacate rent-controlled units.

Disclosure Date	Buyout Date	Amount	Tenants
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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning