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630-634 Oak St

Hayes Valley, SF 94117 0828008 3 units · 3 fl · 1908

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 Hayes Valley — not a forecast
At or below average
avg 2.2
0
FewerMore

This building has 0 novs (7y), at or below the Hayes Valley average of 2.2.

Rent & eviction protection

Is 630-634 Oak 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 1908
2 or more units
3 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.

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 1908
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 built1908
Total area5,982 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot0828008
Ownership

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

Mailing address
Van Der Sterre Peter Truste 634 Oak St San Francisco CA 94117
Last sale
January 12, 1998

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.

630 Oak St, San Francisco, CA 94117
632 Oak St, San Francisco, CA 94117
634 Oak St, San Francisco, CA 94117
Augrented Insights
Initial analysis

The three-unit multi-family residential building at 630-634 Oak Street in Hayes Valley, owned by Peter Van Der Sterre since 2018, is a three-story flats and duplex structure built in 1908. The property has undergone several significant improvements in recent years, including the installation of a Mitsubishi heat pump cooling system for three rooms in 2023 and a 5.76 kW solar PV system with 16 modules in 2022. Plumbing improvements include a water heater installation for radiant heat in 2014, though this permit expired, and work on drain lines and a new floor sink in 2014. The building's maintenance history shows attention to structural issues, with work on stairs and decks in 2008 to address dry rot, and an attempted rear garage structural repair in 2013 that was ultimately cancelled.

The building has a history of routine safety inspections, with notable issues identified in 2003 and 2008 regarding stairs, fire safety equipment, and various building maintenance items; however, all violations were officially abated by October 2008. Since then, the property has generally maintained compliance with safety requirements, though there was an expired plumbing permit in 2014 for a water heater installation. Recent activity at the property has primarily involved parking enforcement matters, with multiple parking violations recorded between 2024-2025, suggesting ongoing challenges with driveway access. A damaged side sewer vent cover was reported in September 2024 and remains in open status. The building's documented improvements, particularly the recent HVAC and solar installations, indicate ongoing maintenance and upgrading of the property, though there are some historical maintenance issues that prospective residents should be aware of.

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

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Risk rating

How 630-634 Oak 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 1027 buildings in this neighborhood, 606 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
62%
No DBI
violation
38%
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.

Estimated permit spend (past 7 years)

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

Building age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

12-Month risk forecast
Moderate failure risk 38%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

630-634 Oak St apartment reviews

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The story over time

630-634 Oak St event timeline

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

2023
Plumbing Permit Apr 06
Work category: 1m; install mitsubishi heat pump cooling system to serve 3 - rooms and install 3 - new condensate drain lines.
Complete

See all 2 events

Full history back to 2022 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 630-634 Oak St apartments

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

Side by side

How 630-634 Oak St compares to the neighborhood

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

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