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234-236 25Th Ave

Lake Street, SF 94121 1384012 2 units · 2 fl · 1916

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 Lake Street
At or below average
avg 0.6
0
FewerMore

This building has 0 novs (7y), at or below the Lake Street average of 0.6.

Rent & eviction protection

Is 234-236 25Th 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 1916
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 built1916
Total area3,140 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1384012
Ownership

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

Owner name
Zyscovich Lola A
Mailing address
234 25th Ave San Francisco CA 94121
Last sale
121712

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.

236 25th Ave, San Francisco, CA 94121
234 25th Ave, San Francisco, CA 94121
Augrented Insights
Initial analysis

The two-unit residential building at 234-236 25th Avenue, constructed in 1916, has undergone significant renovations and improvements over the past decade. Most recently, in July 2023, the property received electrical rewiring upgrades for both units, indicating ongoing modernization efforts. A substantial renovation project commenced in 2019 with an estimated cost of $530,000, targeting kitchen remodels in both units, structural repairs, and bathroom modifications. This was preceded by another significant project in 2019 that included ground floor expansion, foundation work, and conversion of spaces to create new bathrooms and decks. The building's infrastructure has been actively upgraded, with plumbing improvements in 2021 including the installation of a new boiler and complete bathroom renovations, though some permits from 2020 were withdrawn or marked as expired.

The property has undergone various compliance checks and remedial work, particularly in 2015-2017, including addressing plumbing inspection violations and the legalization of common area laundry facilities. Multiple permits demonstrate attention to safety and maintenance, including seismic upgrades and foundation work. Recent 311 calls from 2023-2024 primarily concern park-related issues in the vicinity rather than building-specific problems, suggesting the property is maintaining its structural and residential functions adequately. The building's records show a pattern of proactive maintenance and modernization, with several permits in progress or recently completed, though some earlier permits were withdrawn or expired, indicating potential modifications to the original renovation plans.

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

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Risk rating

How 234-236 25Th 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
97th percentile

Out of 660 buildings in this neighborhood, 20 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
94%
No DBI
violation
6%
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 age

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

Director's hearings, owner's portfolio

Escalated DBI enforcement actions across all of this owner's buildings.

12-Month severity forecast
No violation 89.3%
Moderate concern 9.2%
Severe concern 1.5%
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

234-236 25Th Ave event timeline

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

2026
Building Permit Jun 17
Replace 4 windows with new. relocate spiral stair. modify stair configuration between 3rd fl and roof. alter penthouse to conform to new stair.
$1 · Filed

See all 14 events

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

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Every record we have

Full data for 234-236 25Th 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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