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48-52 Grattan St

Cole Valley/Parnassus Heights, SF 94117 1278013 3 units · 3 fl · 1909

A handful of records on file over the last seven years, and our model sees a moderate chance of more in the next 12 months. A few records worth reading before you sign. Check whether they were closed out, and ask what was actually fixed.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in Cole Valley/Parnassus Heights — not a forecast
At or below average
avg 0.9
0
FewerMore

This building has 0 novs (7y), at or below the Cole Valley/Parnassus Heights average of 0.9.

Rent & eviction protection

Is 48-52 Grattan 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 1909
2 or more units
3 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 1909
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
Units3
Floors3
Year built1909
Total area4,500 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1278013
Ownership

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

Owner name
Mailing address
Tura Ronald E & Judith A, T 1598 Hillgrade Ave Alamo CA 94507
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.

50 Grattan St, San Francisco, CA 94117
48 Grattan St, San Francisco, CA 94117
52 Grattan St, San Francisco, CA 94117
Augrented Insights
Initial analysis

The three-story multi-family residential building at 48-52 Grattan Street, owned by the Tura Family Trust, was constructed in 1909 and contains three units. The property has undergone several street space permits between 2008 and 2019, with the most recent one issued in June 2019. A notable plumbing improvement was made in 2019 with the replacement of a hose trap, while 2008 saw substantial electrical work completed, including the installation of new outlets, panel upgrades, and grounding improvements in apartment #50. The building has undergone three routine housing inspections between 2003 and 2017, with only one minor security violation recorded in 2003 regarding self-closing devices on exterior doors, which was promptly resolved within a month.

In recent months, there has been significant activity related to abandoned vehicle complaints in the vicinity, with multiple reports filed between July 2024 and January 2025, though none of these incidents directly impacted the building's residents or condition. The most recent property-related issue was a garbage and debris complaint in August 2024, which was resolved as it was determined to be on private property. The building's permit and inspection history suggests regular maintenance and prompt attention to violations, with no active complaints or violations currently on record, indicating generally good property management practices over the past two decades.

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

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Risk rating

How 48-52 Grattan 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
41stpercentile

Out of 526 buildings in this neighborhood, 310 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
72%
No DBI
violation
28%
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.

Estimated permit spend (past 7 years)

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

Construction spend, owner's portfolio

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

Property class: multi-family flat

2–4 unit flats (class F) are a common SF building type with their own maintenance and complaint patterns.

12-Month risk forecast
Moderate failure risk 28%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

48-52 Grattan St apartment reviews

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On the map

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The story over time

48-52 Grattan St event timeline

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

2019
Plumbing Permit Jun 28
Work category: 1p; hose trap replacement.
Expired
Building PermitJun 26
Street space

See all 2 events

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

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Every record we have

Full data for 48-52 Grattan St apartments

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

Side by side

How 48-52 Grattan St compares to the neighborhood

This building against comparable properties in Cole Valley/Parnassus Heights. 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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