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171-173 27Th St

Noe Valley, SF 94110 6594033 2 units · 2 fl · 1895

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 Noe Valley — not a forecast
At or below average
avg 1.2
0
FewerMore

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

Rent & eviction protection

Is 171-173 27Th 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 1895
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 1895
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 built1895
Total area2,485 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot6594033
Ownership

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

Owner name
Mailing address
173 27th St San Francisco CA 94110
Last sale
—

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.

173 27th St, San Francisco, CA 94110
171 27th St, San Francisco, CA 94110
Augrented Insights
Initial analysis

171-173 27th Street is a two-unit, two-story multi-family residential building constructed in 1895, currently owned by Murray Saben. The property has undergone several significant improvements in recent years, with the most recent work in 2023 including a bathroom remodel that involved window replacement, dryrot repair, plumbing updates, and electrical work, totaling approximately $25,000. The building has shown consistent maintenance and upgrades, with foundation work completed in 2007 that included the installation of anchor bolts and plywood stiffening panels on the basement walls, demonstrating attention to structural integrity. A notable plumbing and HVAC upgrade is currently in progress, with the installation of a new 60kBTU furnace and ductwork expected to be completed by December 2024.

The property's maintenance history reveals attention to both interior and infrastructure improvements, including multiple bathroom updates, gas line installations, and compliance with various physical inspection requirements. A significant cluster of infrastructure-related issues was resolved between 2015-2016, including sewage backup incidents and a pavement defect, though these appear to have been properly addressed. The building has had minimal complaints, with only one building-related complaint in 2014 regarding debris removal. Recent 311 calls for the address have primarily concerned external issues such as parking violations and street maintenance, rather than building-specific problems. The property has completed necessary compliance work as evidenced by multiple permits obtained to address physical inspection report requirements, indicating proactive management of building codes and maintenance standards.

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

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Risk rating

How 171-173 27Th 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
89thpercentile

Out of 1879 buildings in this neighborhood, 207 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
90%
No DBI
violation
10%
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 size

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

Neighborhood (ZIP code)

The ZIP code captures local housing market and enforcement patterns that affect all buildings in the area.

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

12-Month risk forecast
Low failure risk 10%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

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On the map

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The story over time

171-173 27Th St event timeline

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

2026
Building Permit May 28
Re-roofing. hot work.
$20,000 · Issued

See all 11 events

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

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Every record we have

Full data for 171-173 27Th St apartments

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

Side by side

How 171-173 27Th St compares to the neighborhood

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