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4047 Mission St

Bernal Heights, SF 94112 5835046 2 units · 2 fl · 1948

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 Bernal Heights — not a forecast
At or below average
avg 1.2
0
FewerMore

This building has 0 novs (7y), at or below the Bernal Heights average of 1.2.

Rent & eviction protection

Is 4047 Mission St 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 1948
2 or more units
2 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 1948
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
Units2
Floors2
Year built1948
Total area2,358 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot5835046
Ownership

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

Mailing address
1130 Le Grande Cannon Blvd Helena MT 59601
Last sale
April 15, 1988

Landlord portfolio

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

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Augrented Insights
Initial analysis

The Wong Family Revocable Trust owns the two-unit, two-story multi-family residential building located at 4047 Mission Street in Bernal Heights, a structure that dates back to 1948. The building has experienced several significant plumbing issues in recent months, with four separate sewage back-up incidents recorded between December 2023 and July 2024, all involving the side sewer vent and requiring field work to resolve. These recurring sewer problems represent the most pressing current maintenance concern. Other recent building-related incidents include two pavement defect reports from January and September 2024 (one still open) and some graffiti issues in January 2023 that has since been resolved.

The building's maintenance history shows regular upkeep, though some permits are now outdated or no longer valid. Notable past maintenance includes an electrical service upgrade to 200-amp meters in 2003, a wall repair in 2010 following damage from a vehicle (costing $3,000), and a reroofing project initiated in 2000 (permit expired). A fire safety inspection in August 2012 noted combustible materials, though this condition was corrected the same day. While the building has experienced various neighborhood issues such as abandoned vehicles (two reports in 2023, both resolved), street pavement problems, and water service requests, these external matters are more related to the surrounding area than the building itself. The most pressing concern from the available data is the building's recurring sewer system challenges, which have required multiple emergency responses from the Public Utilities Commission Sewer Operations team.

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

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Risk rating

How 4047 Mission St'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
80thpercentile

Out of 1276 buildings in this neighborhood, 255 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.

Neighborhood location

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

Neighborhood (ZIP code)

The ZIP code captures local housing market and enforcement patterns that affect all buildings in the area.

Construction spend, owner's portfolio

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

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

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On the map

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The story over time

4047 Mission St 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 4047 Mission St apartments

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

Side by side

How 4047 Mission St compares to the neighborhood

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