Free SF apartment background check

610 Clipper St

Noe Valley, SF 94114 6544020 21 units · 3 fl · 1964

This building has far more open problems than almost any other in the neighborhood. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

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

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

Rent & eviction protection

Is 610 Clipper 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 1964
2 or more units
21 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 1964
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
Units21
Floors3
Year built1964
Total area16,811 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot6544020
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
073020

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 3-story, 21-unit multi-family residential building at 610 Clipper Street in Noe Valley, built in 1964, has undergone significant renovations and maintenance work over the past several years, particularly focusing on unit improvements and safety upgrades. The building added 6 new dwelling units in 2016 under Ordinance #162-16, followed by extensive modernization projects in various units, including kitchen and bathroom rehabs, washer/dryer installations, and fire safety improvements. Recent maintenance work includes a $42,000 renovation of the 4th floor unit in March 2023, which was completed along with associated plumbing and electrical updates. The building's fire safety systems have been a recurring focus, with violations noted in 2023 for sleeping area requirements and alarm system maintenance, though these issues were subsequently abated. The building has faced some notable challenges, including a serious sewage backup incident in January 2020 and elevator maintenance issues in 2021, with reports of periodic failures trapping residents.

The property's maintenance history reveals a pattern of systematic upgrades and repairs, including a comprehensive fire escape retrofit in 2017, fire alarm system upgrades in 2019 to comply with current codes, and a new water heater installation. The building is classified as Tier 2 for soft-story compliance, with work completed and the Certificate of Final Completion issued. Recent 311 calls from early 2025 indicate some ongoing concerns with graffiti on nearby poles and street maintenance issues, though these are external to the building itself. The property has maintained an active record of addressing building violations and complaints, with most being resolved or corrected in a timely manner, though some historical complaints from 2004 and 1998 regarding security, lighting, and access issues are noted in the records.

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

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Risk rating

How 610 Clipper 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
4th percentile

Out of 1879 buildings in this neighborhood, 1804 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
34%
No DBI
violation
66%
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.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

NOV rate, owner's portfolio

Per-building NOV rate across everything this owner manages — high rates signal pattern neglect.

12-Month severity forecast
No violation 28.9%
Moderate concern 44.9%
Severe concern 26.3%
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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On the map

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The story over time

610 Clipper St event timeline

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

2026
311 Request Jun 05
Garbage and debris
furniture
311 RequestJun 04
Garbage and debris

See all 28 events

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

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Every record we have

Full data for 610 Clipper 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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