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1148 Montgomery St

Telegraph Hill, SF 94133 0134025

Nothing on record for this building in the last seven years. Our model still sees a moderate chance of maintenance problems in the next 12 months, from the owner's wider portfolio and the surrounding area rather than from anything recorded here. 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 Telegraph Hill — not a forecast
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.

The bar and the rating point different ways because they measure different things: the bar counts DBI violations already on file, the rating forecasts the next 12 months.

Rent & eviction protection

Is 1148 Montgomery 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 unknown
2 or more units
? units
Property type
Multi-Family Residential
Zoning
RH3
Not rent-controlled. Buildings constructed after 1978 are generally exempt from SF rent increase limits under the Costa-Hawkins Act.

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
Unknown
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
Coverage unclear. AB 1482 turns on the certificate-of-occupancy date and property type — confirm the year the building was completed.

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
Units
Floors
Year built
Total area
Property typeMulti-Family Residential
Tax statusNone
Blocklot0134025
Ownership

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

Mailing address
Steven C. Thrower 1 Bush St Ste 900 San Francisco CA 94104
Last sale
July 31, 2012

Landlord portfolio

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

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Augrented Insights
Initial analysis

The building at 1148 Montgomery Street is a two-story, four-unit multi-family residential structure built in 1906, located in Telegraph Hill and owned by Montgomery Street Partners. The property has undergone significant renovation work in recent years, with major improvements completed between 2019-2021 including the addition of a new unit, comprehensive plumbing and electrical upgrades, fire safety improvements, and the legalization of a previously existing non-conforming dwelling unit in the rear building. The renovation project encompassed complete rewiring of the residential building, installation of new furnaces, kitchens, bathrooms, and water heaters, as well as bathroom floor plan revisions and window compliance work. Fire safety upgrades were also implemented, including the addition of a sprinkler head and associated inspections.

Historical records show that the building experienced major fire damage to the lower level storage/basement in 2000, which resulted in electrical and gas service shutoff. There have been several construction-related complaints over the years, particularly during 2017-2019, including concerns about noise, construction debris, and unauthorized work. However, most recent building inspections and permits from 2021 indicate that major renovation work has been completed and inspected, with all active permits marked as complete. The property has also been the subject of multiple parking enforcement calls in the surrounding area during 2020-2023, though these are not directly related to the building's condition or safety.

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

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Risk rating

How 1148 Montgomery 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
15thpercentile

Out of 684 buildings in this neighborhood, 581 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
56%
No DBI
violation
44%
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.

DBI tenant complaints (past 7 years)

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

Property class: tenancy in common

Tenancy-in-common ownership structure, which has distinct maintenance and management patterns.

12-Month risk forecast
Moderate failure risk 44%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

1148 Montgomery St apartment reviews

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On the map

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The story over time

1148 Montgomery St event timeline

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

2021
Building Permit Sep 29
As built plans for fire sprinklers. add 1 sprinkler head @ 2nd fl closet
$1 · Complete
Electrical PermitSep 14
Renew expired electrical permit e201502096215 for final inspection.

See all 11 events

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

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Every record we have

Full data for 1148 Montgomery St apartments

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

Side by side

How 1148 Montgomery St compares to the neighborhood

This building against comparable properties in Telegraph Hill. 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

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