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4127-4129 Anza St

Outer Richmond, SF 94121 1575033 3 units · 2 fl · 1926

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 Outer Richmond
At or below average
avg 0.7
0
FewerMore

This building has 0 novs (7y), at or below the Outer Richmond average of 0.7.

Rent & eviction protection

Is 4127-4129 Anza 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 1926
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.

Building characteristics
Units3
Floors2
Year built1926
Total area3,564 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1575033
Ownership

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

Owner name
Newbury Thomas
Mailing address
4127 Anza St San Francisco CA 94121
Last sale
071020

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.

4129 Anza St, San Francisco, CA 94121
4129 A Anza St, San Francisco, CA 94121
4127 Anza St, San Francisco, CA 94121
Augrented Insights
Initial analysis

The property at 4127-4129 Anza Street is a two-story, three-unit multi-family residential building constructed in 1926, currently owned by Thomas Newbury. The building has undergone significant renovations over the past several years, with the most substantial work occurring between 2017-2022. This work included the addition of a third-floor room (2020), foundation revisions (2022), comprehensive bathroom and kitchen remodels (2017-2019), window replacements (2019), and various electrical upgrades. Notable electrical work in 2019 included the installation of smoke detectors, appliance connections, and lighting systems across multiple units, while plumbing improvements included bathroom installations and furnace replacements.

Several issues affecting resident safety and comfort were documented in the building's history, including a 2018 complaint about central heating being turned off, and two incidents in 2017 involving unsafe conditions with scaffolding and electrical conduit contact. The building underwent routine inspections in 2003 and 1998 with no significant issues noted. Recent maintenance concerns include overgrown trees (2024) and multiple reports of sidewalk parking violations between 2020-2024. The property has maintained compliance with city regulations regarding window replacements and construction permits, with all identified violations being properly addressed or resolved. Recent permits suggest ongoing maintenance and improvements, particularly regarding exterior upkeep and modernization efforts.

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

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Risk rating

How 4127-4129 Anza 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
45th percentile

Out of 1040 buildings in this neighborhood, 572 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
84%
No DBI
violation
16%
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.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

Owner's portfolio size

Number of SF parcels this owner is registered on — larger portfolios have distinct risk patterns.

Notices of Violation, owner's portfolio

DBI NOVs across all buildings this owner is registered on — a signal of systemic maintenance issues across the portfolio.

12-Month severity forecast
No violation 65.6%
Moderate concern 28.5%
Severe concern 6.0%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
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The story over time

4127-4129 Anza St event timeline

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

2025
311 Request Dec 06
Parking on sidewalk
Parking Enforcement

See all 5 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 4127-4129 Anza St apartments

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

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