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13479 N Gladstone Ave

Sylmar, Los Angeles County, CA 91342 2504021034 1 units · 2008

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.

Code Enforcement Cases (7y) vs. neighborhood
Compared to a typical building in Sylmar
At or below average
avg 0.1
0
FewerMore

This building has 0 code enforcement cases (7y), at or below the Sylmar average of 0.1.

Building characteristics
Units1
ZoningLARA
Year built2008
Total area6,555 sq ft
Use code108
APN (Assessor's Parcel Number)2504021034
Ownership

Registered owner per LA County Assessor records.

Owner name
Castaneda, Dario And Josefina Trs
Mailing address
13475 Gladstone Ave Sylmar Ca 91342

Landlord portfolio

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

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Augrented Insights
AI summary

The property at 13479 N Gladstone Ave in Sylmar is a single-unit dwelling built in 2008, currently owned by Dario and Josefina Castaneda. Recent activity at the address has been significant, with two major building projects in progress or completed since 2022. The most recent permit, submitted in May 2024, proposes a substantial transformation of the existing accessory living quarters into a two-story single-family dwelling with an attached garage, incorporating fire sprinkler systems per NFPA 13R requirements. Prior to this, a permit issued in March 2023 allowed for the construction of a detached accessory dwelling unit, demonstrating the owners' intent to expand the property's living space capacity. The property has experienced minimal municipal service requests over the past seven years, with only four recorded incidents since 2019 - three related to graffiti removal (most recently in July 2024) and one for bulky item removal in December 2021. While the recent building permits suggest active property improvement, the multiple graffiti removal requests, particularly clustered in 2019 and July 2024, indicate some ongoing maintenance challenges related to exterior upkeep.

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Risk rating

How 13479 N Gladstone Ave's risk score is calculated

We trained a model on 7 years of LA County code enforcement data — code enforcement cases, building & safety requests, foreclosure registrations, and owner track records. It estimates the probability that LA County will open a code enforcement case at this address in the next 12 months. Lower % = safer.

What the score means for you

Grade A–B — Low risk

LA County rarely opens code cases 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. LA County has opened cases here before and is statistically likely to again.

Neighborhood percentile
48thpercentile

Out of 2438 buildings in this neighborhood, 1268 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
99%
No code
case
1%
Code case
likely
Model explanation

What's driving this score

The data points that most influenced this building's risk rating — ranked by the weight the model placed on each one.

Neighborhood: Arleta

Located in Arleta. The neighborhood captures local housing-market and code-enforcement patterns that affect all properties in the area.

Location

Precise location is a proxy for area-level risk — some LA County neighborhoods have systematically higher code-enforcement activity.

Location

Precise location is a proxy for area-level risk — some LA County neighborhoods have systematically higher code-enforcement activity.

12-Month severity forecast
No violation 99.6%
Moderate concern 0.4%
Severe concern 0.0%
Estimated probability of a code enforcement case in the next 12 months at each severity level.
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The story over time

13479 N Gladstone Ave event timeline

Code enforcement cases, building & safety requests, foreclosure registrations, permits, and MyLA311 calls — most recent records in order.

2026
Electrical Permit Mar 25
NEW 200 AMP PANEL
Issued

See all 6 events

Full history back to 2019 — violations, complaints, permits, and 311 calls.

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Every record we have

Full data for 13479 N Gladstone Ave apartments

LA County public datasets for this parcel — code enforcement cases, permits, MyLA311 calls, building & safety requests, and foreclosure registrations.

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Cancel anytime · Data sourced from LA County Code Enforcement, MyLA311, LA County Assessor & LA County Public Works

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