Free SF apartment background check

544 27Th St

Noe Valley, SF 94131 6581054 8 units · 3 fl · 1971

This building has significantly more problems than most nearby buildings. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Noe Valley
Above average
avg 1.2
5
FewerMore

This building has 5 novs (7y), above the Noe Valley average of 1.2.

Rent & eviction protection

Is 544 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 1971
2 or more units
8 units
Property type
Multi-Family Residential
Zoning
RM1
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
Units8
Floors3
Year built1971
Total area7,200 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot6581054
Ownership

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

Owner name
Rosemary Court Prpts Llc
Mailing address
1 Rosemary Ct San Francisco CA 94116
Last sale
000000

Landlord portfolio

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

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Augrented Insights
Initial analysis

The properties at 544 27th Street in Noe Valley is a three-story, 8-unit multi-family residential building constructed in 1971 and currently owned by Rosemary Court Prpts LLC. The building has undergone regular maintenance and inspections throughout its history, with the most recent significant work being a completed $23,300 reroofing project in July 2024. A notable cluster of building code violations was recorded in December 2019, primarily related to fire safety and seismic requirements, including issues with combustible storage, fire proofing materials, and missing seismic strapping, though these violations were all abated by February 2020.

The building's history shows consistent attention to maintenance and compliance, with several routine inspections documented in 1999, 2008, and 2019. Recent activity in the vicinity has primarily involved parking enforcement matters, with multiple complaints about vehicles blocking driveways in 2023, though these issues were typically resolved without citation. The property has had minimal emergency response incidents, with only four fire department call-outs recorded since 2014, including three for invalid assists and one for a carbon monoxide detector activation with no CO found. Planning records indicate a recent effort to legalize a ninth unit at the address, though this attempt ultimately received disapproval. The building's maintenance record shows regular attention to both routine upkeep and addressing specific violations when they arise, with no active violations currently on record as of October 2023.

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

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Risk rating

How 544 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

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
17th percentile

Out of 1879 buildings in this neighborhood, 1560 are predicted to be safer.

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.

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 56.8%
Moderate concern 24.3%
Severe concern 19.0%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

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The story over time

544 27Th St event timeline

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

2025
Electrical Permit Jul 25
Retrofit 3x existing fpe stab lok sub-main panels for unit feeders and convert to auxillary gutters, install 9 new 60 amp sub-main circuit breaker panels for 8 apartments and 1 common area. replace fpe panel fro common area with new 60 amp code compliant panel and breakers.
Complete
Electrical PermitMay 22
Unit 8 -replace and relocate fpe circuit breaker panel to a code compliant location with a code compliant circuit breaker panel. replace all circuit breakers

See all 15 events

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

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Every record we have

Full data for 544 27Th St apartments

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

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

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