Free SF apartment background check

121-123 Jasper Pl

Telegraph Hill, SF 94133 0103028 2 units · 2 fl · 1907

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 Telegraph Hill
At or below average
avg 1.2
0
FewerMore

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

Rent & eviction protection

Is 121-123 Jasper Pl 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 1907
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RM2
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
Units2
Floors2
Year built1907
Total area2,180 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot0103028
Ownership

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

Owner name
Chiang Lilly P
Mailing address
121-123 Jasper Place San Francisco CA 94133
Last sale
051717

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.

123 Jasper Pl, San Francisco, CA 94133
121 Jasper Pl, San Francisco, CA 94133
Augrented Insights
Initial analysis

The property at 121-123 Jasper Place is a two-unit, two-story multi-family residential building located in Telegraph Hill, owned by Lilly P Chiang and constructed in 1907. The building has undergone several significant structural improvements over the past decade, with the most substantial work occurring between 2014-2016 when major foundation repairs were completed, including the replacement of both brick and concrete foundations, installation of new shear walls, and related structural improvements costing over $239,000. Other important updates include a complete roof replacement in 2013 (cost $12,500), significant interior renovations in 2010-2011 to both units including kitchen and bathroom updates, window replacement, and electrical system improvements (totaling approximately $38,000), as well as the installation of a new underground sewer line in 2017.

The building has one historical complaint on record from 2004 regarding an alleged illegal unit in the rear basement, though this complaint is listed as not active. Recent municipal service records from 2018 to 2024 primarily show routine street cleaning issues such as garbage, debris, and waste removal needs in the vicinity of the property, rather than building-specific concerns. These external service calls have generally been resolved promptly, with local agencies indicating no additional action was required. While the property's foundation and structural integrity have been substantially reinforced through recent improvements, prospective tenants should be aware of the building's age and history of major repair work, though no significant building code violations or safety concerns have been filed in recent years.

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 121-123 Jasper Pl'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
70th percentile

Out of 684 buildings in this neighborhood, 205 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
89%
No DBI
violation
11%
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.

Building age

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

Building permits, owner's portfolio

Permits pulled across all of this owner's buildings over 7 years.

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 severity forecast
No violation 85.9%
Moderate concern 7.7%
Severe concern 6.3%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

121-123 Jasper Pl 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

Create account

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

121-123 Jasper Pl event timeline

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

2026
311 Request Feb 13
Garbage and debris
other bagged boxed contained garbage

See all 3 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

Unlock complete timeline
Every record we have

Full data for 121-123 Jasper Pl 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.

Search another address Get full report
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
Most Popular Current plan

Renter

For the weeks when the stakes are highest

$10/mo

Billed $120/year — save $24 vs monthly

  • Unlimited basic reports
  • 5 premium AI reports per month
  • Download PDF & Excel reports
  • Full public records (200 rows per dataset)
  • Full event timeline — every year of history
  • Landlord portfolio & ownership insights
Start Your Search

Less than $0.34/day. Cancel anytime.

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

Watch 121-123 Jasper Pl
Get alerted the moment a new violation or complaint is filed.