Free SF apartment background check

634-636 10Th Ave

Inner Richmond, SF 94118 1635028D 2 units · 2 fl · 1915

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 Inner Richmond
At or below average
avg 0.9
0
FewerMore

This building has 0 novs (7y), at or below the Inner Richmond average of 0.9.

Rent & eviction protection

Is 634-636 10Th Ave 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 1915
2 or more units
2 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.

Building characteristics
Units2
Floors2
Year built1915
Total area3,300 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot1635028D
Ownership

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

Owner name
Zhang Philp Da-Qing
Mailing address
636 10th Ave San Francisco CA 94118
Last sale
052802

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.

634 10th Ave, San Francisco, CA 94118
636 10th Ave, San Francisco, CA 94118
Augrented Insights
Initial analysis

The two-unit residential building at 634-636 10th Avenue in San Francisco's Inner Richmond neighborhood is a two-story structure built in 1915, currently owned by Zhang Philp Da-qing. The property has undergone significant solar and electrical upgrades in recent years, with the most recent development being a residential solar installation consisting of 9 PV modules (3.6 kW system) implemented in November 2023. Prior to this, the building received substantial electrical improvements in 2022-2023, including the installation of an EV charger outlet, a second solar installation with 9 PV modules, and a larger configuration with 19 PV modules (7.6 kW), along with major service panel upgrades including new MSP bus installations and main breaker configurations.

Historical records show several maintenance and infrastructure improvements dating back to the 1980s, including repairs to side stairs and stucco work in 1989 and 1983 respectively. The property had some municipal service interactions between 2012 and 2021, primarily relating to street and sidewalk conditions, including a resolved sidewalk defect near a tree root issue in 2012 and a general service request in 2021, though none of these incidents indicated any significant resident safety concerns. An 2012 report noted a new sidewalk installation had been completed at the location, and a flickering streetlight issue was promptly addressed and resolved by PG&E in 2015. While the building's early maintenance history shows some structural attention was required in the 1980s, the recent extensive electrical and solar upgrades suggest proactive property management and commitment to modernizing the building's infrastructure.

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

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Risk rating

How 634-636 10Th Ave'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
51th percentile

Out of 1723 buildings in this neighborhood, 844 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.

Construction spend, owner's portfolio

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

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 78.3%
Moderate concern 15.3%
Severe concern 6.4%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

634-636 10Th Ave apartment reviews

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The story over time

634-636 10Th Ave event timeline

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

2023
Electrical Permit Nov 06
Plan #4994r1. residential solar permit. 9 pv modules, 400 watts per module, 3.6 (dc) kw system. service upgrade.
Issued
Electrical PermitFeb 03
Ammend scope of work on permit: e202211223703 to include ev charger outlet as shown on the approved plans.

See all 4 events

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

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Every record we have

Full data for 634-636 10Th Ave 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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