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172-174 Beaver St

Corona Heights, SF 94114 2613013 2 units · 2 fl · 1885

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 Corona Heights — not a forecast
At or below average
avg 1.3
0
FewerMore

This building has 0 novs (7y), at or below the Corona Heights average of 1.3.

Rent & eviction protection

Is 172-174 Beaver 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 1885
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 1885
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 built1885
Total area2,599 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot2613013
Ownership

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

Mailing address
Patrick J Calahan&grace M L 174 Beaver St San Francisco CA 94114
Last sale
May 03, 2002

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

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

174 Beaver St, San Francisco, CA 94114
172 Beaver St, San Francisco, CA 94114
Augrented Insights
Initial analysis

The two-family residential building at 172-174 Beaver Street in Corona Heights, owned by Patrick J Calahan and Grace M L, is a two-story flats and duplex structure built in 1885. The building has undergone several significant renovations and improvements over the past two decades, with the most recent major work focusing on mechanical systems including a furnace installation and upper sewer lateral replacement in 2021-2022. Previous substantial updates were completed in 2014, including voluntary structural strengthening of the upper floor, kitchen remodeling, window replacements, and the addition of built-in shelves and a gas fireplace. The property has received regular maintenance attention, including foundation repairs in 2013 and multiple kitchen and bathroom renovations across both units between 2010-2014.

Two historical building complaints from 2000-2001 were resolved promptly, relating to water drainage issues and a retaining wall height discrepancy, though these are now considered inactive. Recent activity at the property has primarily involved parking-related concerns, with multiple 311 calls about abandoned vehicles and illegal parking between August 2024 and December 2024, most of which were resolved by parking enforcement. Recent property maintenance issues have included concerns about waste receptacle placement (resolved) and a sidewalk defect that was determined not to be egregious. The building's permit history demonstrates ongoing investment in maintaining and upgrading the property, with particular attention to structural, mechanical, and aesthetic improvements over time.

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

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Risk rating

How 172-174 Beaver 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
93rdpercentile

Out of 348 buildings in this neighborhood, 24 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
93%
No DBI
violation
7%
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.

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

Building permits, owner's portfolio

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

12-Month risk forecast
Low failure risk 7%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

172-174 Beaver St apartment reviews

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On the map

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Buildings nearby
8 found
The story over time

172-174 Beaver St event timeline

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

2026
311 Request Apr 08
Garbage and debris
furniture

See all 4 events

Full history back to 2021 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 172-174 Beaver St apartments

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

Side by side

How 172-174 Beaver St compares to the neighborhood

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