20 Broderick St
This building has a substantial enforcement record over the last seven years, and our model sees a moderate chance of more in the next 12 months. Read the records below before you sign. Ask which issues were resolved, get repair commitments in writing, and inspect the unit yourself.
This building has 12 novs (7y), above the Buena Vista Park/Ashbury Heights average of 1.6.
Is 20 Broderick 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.
Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.
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.
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.
| Units | 2 |
|---|---|
| Floors | 2 |
| Year built | 1912 |
| Total area | 2,900 sq ft |
| Property type | Multi-Family Residential |
| Tax status | Home Owners |
| Blocklot | 1240019 |
Registered owner per SF Assessor-Recorder (secured roll).
Landlord portfolio
Other SF properties this owner holds, with a risk rating for each.
Unlock complete reportThe 2-unit multi-family residential building at 20 Broderick Street in Buena Vista Park, owned by Thomas B & Monica P Casey F, has undergone several significant events since its construction in 1912. Most notably, the building experienced a serious balcony collapse in July 2021 (complaint #202180366), which prompted emergency responses and required subsequent remediation. This incident led to multiple building violations for repairs needed to walls, ceilings, doors, and water damage, along with mold/mildew issues, though these were all abated by July 2022. The property has seen consistent maintenance and improvements, including balcony replacement in 2021 ($4,000), sewer line replacement in 2017, garage electrical work in 2023, and various historical updates such as window replacements (1997) and reroofing (1990). A recent investigation in 2024 confirmed a potentially unauthorized short-term rental violation that resulted in an upheld appeal with pending penalties. The building's maintenance record shows attention to infrastructure, with street space permits obtained in 2000 and 2017, though there was an expired permit from 1990. The property has had recurring parking-related issues in the vicinity, with multiple 311 calls regarding sidewalk parking between 2020 and 2025, indicating ongoing challenges with parking enforcement in the area.
AI-generated · may contain errors · check the source data tables below
How 20 Broderick 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.
Out of 351 buildings in this neighborhood, 305 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.
violation
likely
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.
20 Broderick St apartment reviews
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20 Broderick St event timeline
Violations, complaints, fire incidents, permits, and buyouts — most recent records in order.
See all 14 events
Full history back to 2021 — violations, complaints, permits, buyouts, and fire incidents.
Unlock complete timelineFull data for 20 Broderick St 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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How 20 Broderick St compares to the neighborhood
This building against comparable properties in Buena Vista Park/Ashbury Heights. 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