Free SF apartment background check

625-631 Greenwich St

North Beach, SF 94133 0089038 2 units · 2 fl · 1907

This building has a higher-than-average number of open problems nearby. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in North Beach
At or below average
avg 2.1
0
FewerMore

This building has 0 novs (7y), at or below the North Beach average of 2.1.

Rent & eviction protection

Is 625-631 Greenwich 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 1907
2 or more units
2 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
Units2
Floors2
Year built1907
Total area3,200 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot0089038
Ownership

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

Owner name
Leonard Koren & Yoko Z Kato
Mailing address
Leonard Koren &yoko Ziggie 625 Greenwich St San Francisco CA 94133
Last sale
070500

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

All street addresses sharing this blocklot that are covered by this report.

627 Greenwich St, San Francisco, CA 94133
631 Greenwich St, San Francisco, CA 94133
629 Greenwich St, San Francisco, CA 94133
625 Greenwich St, San Francisco, CA 94133
Augrented Insights
Initial analysis

The property at 625-631 Greenwich Street is a 2-unit, 2-story multi-family residential building constructed in 1907, currently owned by Leonard Koren & Yoko Z Kato. The building has undergone several significant improvements, most notably the creation of a wine cellar beneath the garage area in 2001-2002, which was completed at a cost of approximately $49,000. The property has experienced two notable compliance issues related to fire safety systems, with multiple violations documented in December 2005 including problems with fire escape ladders, fire extinguishers, and emergency exit lights, though all were abated by January 2006. More recently, plumbing improvements were made in 2017 with the installation of two emergency shut-off valves.

The building's maintenance history shows consistent attention to roofing, with multiple permits issued in the late 1990s for repairs and replacements, though some permits show as expired. A significant renovation occurred in 1992 involving kitchen and bathroom remodeling, as well as modifications to the stair configuration. Recent activity at the property has primarily consisted of parking-related issues, with multiple 311 calls in 2024 regarding blocked driveways, though these are external to the building itself. The property underwent a notable planning process to resubdivide the parcel into two lots, with variances approved for rear stairs and landings extending into the rear yard area, though this appears to have occurred prior to the current ownership's tenure.

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

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Risk rating

How 625-631 Greenwich 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
70th percentile

Out of 362 buildings in this neighborhood, 109 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
85%
No DBI
violation
15%
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 age

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

Building permits, owner's portfolio

Permits pulled across all of this owner's buildings over 7 years.

Estimated permit spend (past 7 years)

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

12-Month severity forecast
No violation 84.0%
Moderate concern 10.7%
Severe concern 5.4%
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

625-631 Greenwich St event timeline

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

2025
Building Permit Mar 14
Replace (9) windows front street visible and (11) windows non-street visible, (2) patio doors (non-street visisble). front (e) wood, (n) aluminum clad-wood-double hung. other (e) wood, (n) wood composite -double hung, picture patio door - (6) wood, (n) fiberglass clad wood no size change, <.30max.
$108,569 · Complete
Planning RecordMar 14
REPLACE (9) WINDOWS FRONT STREET VISIBLE (11)WINDOWS NON-STREET VISIBLE, (2) PATIO DOORS NON-STREET VISISBLE. FRONT (E) WOOD (N)ALUMINUM CLAD-WOOD-DOUBLE HUNG. OTHER (E)WOOD, (N)WOOD COMPOSITE -DOUBLE HUNG, PICTURE PATIO DOOR - (6)WOOD,(N)FIBERGLASS CLAD WOOD NO SIZE CHANGE, <.30MAX

See all 2 events

Full history back to 2025 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 625-631 Greenwich St apartments

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

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