Free SF apartment background check

1091 Bush St

Downtown, SF 94109 0281013 99 units · 6 fl · 1910

This building has significantly more problems than most nearby buildings. Renters here report frequent, slow-to-fix problems. Get repair promises in writing and check the unit before signing.

NOVs (7y) vs. neighborhood
Compared to a typical building in Downtown
Above average
avg 6.9
12
FewerMore

This building has 12 novs (7y), above the Downtown average of 6.9.

Rent & eviction protection

Is 1091 Bush 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 1910
2 or more units
99 units
Property type
Multi-Family Residential
Zoning
RC4
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
Units99
Floors6
Year built1910
Total area63,852 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0281013
Ownership

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

Owner name
Chaudoir Fmly Tr
Mailing address
Chaudoir Alexander & Nancy 828 W Santa Inez Hillsborough CA 94010
Last sale
051895

Landlord portfolio

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

Unlock complete report
Multiple entrances & addresses

Included addresses

All street addresses sharing this blocklot that are covered by this report.

850 Leavenworth St, San Francisco, CA 94109
1091 Bush St, San Francisco, CA 94109
Augrented Insights
Initial analysis

The 99-unit, 6-story multi-family residential building at 1091 Bush Street, owned by Chaudoir Fmly Tr, has experienced several significant maintenance and safety improvements since its construction in 1910. Most recently, in early 2024, the building underwent a comprehensive plumbing upgrade with the installation of new stainless steel tanks and a domestic boiler replacement, representing ongoing efforts to maintain core building systems. The property has seen substantial life safety system enhancements, including a 2020 fire alarm control upgrade ($112,000) with low-frequency sounders and power supplies, and a complete elevator modernization in 2012 that incorporated fire safety features such as smoke detectors and emergency functions. Historical records show previous safety improvements including the installation of fire sprinklers in the trash chute (1991) and URM upgrades in 1993.

The building's maintenance history reveals both proactive and reactive responses to resident concerns, with several significant resident complaints addressed over the years. Issues have ranged from plumbing and water infiltration problems in 2017 (notably involving water leaks and mold concerns) to more recent complaints about fixtures in 2019 and 2020. The property has faced periodic violations requiring attention, including fire safety issues in 2017 (with subsequent abatement) and various building maintenance matters in 2005-2010. While there have been multiple fire safety complaints and system activations recorded, none resulted in actual fires or civilian injuries. Recent 311 calls from January 2025 indicate ongoing concerns with exterior cleanliness and garbage management around the property, though these are primarily street-level issues rather than direct building maintenance concerns.

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

Free account unlocks the full analysis — plus 2× more records across all data categories and the complete landlord portfolio.
Risk rating

How 1091 Bush 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

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
12th percentile

Out of 448 buildings in this neighborhood, 394 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
7%
No DBI
violation
93%
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.

Building size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

12-Month severity forecast
No violation 4.7%
Moderate concern 74.6%
Severe concern 20.7%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

1091 Bush St apartment reviews

Real experiences from people who have lived here. Share yours to help other renters decide.

Share your experience — Help other renters by leaving an honest apartment review

Loading reviews…

On the map

Compare nearby alternatives

This building and nearby alternatives, color-coded by risk level. Click any marker to explore.

Buildings nearby
Loading…
The story over time

1091 Bush St event timeline

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

2026
311 Request Jun 16
Garbage and debris
human waste or urine
311 RequestJun 06
Garbage and debris

See all 22 events

Full history back to 2019 — violations, complaints, permits, buyouts, and fire incidents.

Unlock complete timeline
Every record we have

Full data for 1091 Bush St apartments

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

Still apartment hunting in SF?

Look up the next apartment before you sign

Search any SF address free — no account needed to see the risk rating.

Simple pricing

Get the complete picture

Every plan unlocks the complete report: all 13 SF datasets, full history, landlord portfolio, and PDF & Excel exports.

Report Bundle

For the buildings you're deciding on right now

$10 one-time

~$3.33 per building. No subscription ever. Each credit unlocks one building's premium report for 30 days.

  • 3 full AI-powered reports
  • Download PDF reports
  • Advanced safety analysis
  • Compare multiple buildings
  • Credits never expire until you use them
  • Full public records (200 rows per dataset)
Buy 3 Reports — $10

Apartment Hunter

For a wide search across many buildings

$39 one-time

30 reports — ~$1.30 each. No subscription ever.

  • 30 full AI-powered reports
  • Download PDF reports
  • Advanced safety analysis
  • Compare multiple buildings
  • Credits never expire until you use them
  • Full public records (200 rows per dataset)
Buy 30 Reports — $39

Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

Watch 1091 Bush St
Get alerted the moment a new violation or complaint is filed.