HCM-425 — designated 1989-03-31
Apartment Building
636 Burnside Avenue
public open-data signals are too weak to classify; designation may be load-bearing via procedural friction, may be recognition only — rubric cannot tell without a demolition-pressure proxy
cannot classify — public open-data signals are too weak. would need a demolition-pressure proxy to resolve.
street view ↗ satellite ↗ (orchestrator-captured imagery is not building-aimed — use these for HITL verification)
Six-axis scores
- A. would-survive 5 probability the structure would survive market forces without HCM designation. low = needs protection.
- B. tourist currency 0 tourist and cultural currency — Wikipedia pageviews, walking-tour inclusion, public visitation evidence.
- C. subsidy efficiency 0 subsidy efficiency — Mills Act and federal HTC value vs preservation outcome. zero means no active subsidy.
- D. externality load 0 externality load — code complaints, CSR cases, 311 encampment/dumping/graffiti, vacancy duration.
- E. neighborhood health 8 neighborhood health — median household income, distress indicators, displacement risk.
- F. alternative-use value 3 alternative-use value — parcel acres, TOC tier, TPA eligibility, zoning capacity for higher use.
overall confidence: unknown
Site
- lat / lon
- 34.06376, -118.34907
- parcel acres
- 0.17977927341926167 (inferred)
- typology
- multifamily
- TPA / TOC
- yes — tier 3
- zoning capacity
- —
- nrhp listed
- no
- architect prominence
- —
Condition + subsidy
all "condition" fields below are proxies derived from LADBS permit history, 311 CSR cases, and code complaints. none of these directly measures occupancy. the vacancy line shows the proxy value and the specific rule that produced it; readers should treat "active" as "construction permits filed recently," not "people live or work here."
- vacancy proxy
- unknown
- vacancy proxy basis
- no signal
- last permit
- —
- permits last 24mo
- 0
- code complaints 24mo
- 0
- CSR open cases
- 2
- Mills Act contract
- no — not in la OHR appendix a (2019 list of Mills Act properties)
- federal HTC
- no
- Wikipedia pageviews 12mo
- —
- walking-tour inclusion
- no
- median hhi (tract)
- $87,731
- assessed value
- —
Street view vision classification
claude vision analyzed 4 Google street view captures (n/e/s/w from the parcel coordinates) for visible distress indicators. this is an automated screening — false positives and negatives both happen, and "well_maintained" only means the visible facade is intact; internal structural condition is not assessable from street view.
- building visible
- yes
- building type
- multifamily
- overall condition
- well maintained
- other indicators
- none visible
- notes
- The white Art Deco/Moderne apartment building at 636 Burnside Avenue is clearly visible in the eastward-facing image, appearing well-maintained with fresh paint, manicured landscaping, and no visible distress indicators.
Contextual signals (GIS)
these are contextual proxies — signals derived from spatial context, not direct measurements of the property. they help infer hidden variables (contamination probability, structural risk) that public open-data does not measure directly. source: cal OEHHA CalEnviroScreen 4.0 (cumulative pollution burden by census tract).
- census tract
- 6037215101
- CalEnviroScreen overall percentile
- 46.9 (decile 5)
- cleanups percentile
- 4.1
- groundwater threats percentile
- 26.2
- hazardous waste percentile
- 89.7
- toxic release percentile
- 75.7
- lead exposure percentile
- 62.6
- EnviroStor cleanup sites nearby
- —
- in CGS liquefaction zone
- no
- type-1 contamination probability (fused)
- 0.46 — moderate
- type-2 structural-risk probability
- 0.20 — low
Narrative
history
hcm-425 is identified in city records as an apartment building, designated as a historic cultural monument under los angeles's hcm program. the precise construction date, original architect, and development history are not recoverable from available fetched data; all claims about original build date or designer must be treated as unverified pending archival research. the building has not been listed on the national register of historic places, which limits independent corroboration of its significance. no major documented events — ownership transfers of note, fire incidents, or adaptive reuse episodes — appear in the current data pull. the gap in documented history is itself a material finding: without verified construction records, original permits, or architect attribution, the historical basis for the hcm designation cannot be independently confirmed at this time.
architectural significance
no architect of record has been identified in the fetched data, and architectural style descriptors are absent from the current record. without field observation notes, permit records, or prior survey documentation, it is not possible to assign a specific stylistic classification (e.g., streamline moderne, spanish colonial revival, mid-century modern) or identify comparable extant examples in the los angeles multifamily stock. the building's typology as multifamily residential places it within a broad and relatively abundant category in the city's housing inventory, which has implications for its architectural rarity argument. any claim of distinctive features or stylistic significance would require on-site architectural survey and cross-referencing against the surveyla database before it could be treated as analytically credible.
neighborhood context
the tract surrounding hcm-425 exhibits relatively healthy baseline economic indicators: the median household income of $87,731 is well above the citywide median, and the five-year population change of +173 persons indicates modest but positive demographic growth rather than disinvestment or displacement pressure. the 311 externality load is effectively zero across encampment, dumping, and graffiti categories within the immediate 500-foot radius, suggesting the block environment is stable. transit proximity and business license churn data are not available, but the income and population trajectory together indicate a district that is not in distress and is not experiencing the kind of speculative redevelopment pressure that would typically threaten an unprotected structure in a weaker submarket. | metric | value | |---|---| | census tract | 06037215101 | | median hhi | 87731 | | 5yr δ population | 173 | | 311 within 500ft (24mo) | 0 | | encampment 311 calls | 0 | | ladbs code complaints (24mo) | — | | last permit year | — |
subsidy and condition
| field | value | |---|---| | mills act | — | | federal htc | — | | vacancy status | — |
classification reasoning
axis a (survival without protection) scores 5 at medium confidence, reflecting a neutral counterfactual. the building lacks nrhp listing, known architect prominence, and documented owner investment — factors that might independently sustain it — but the healthy neighborhood context and absence of acute redevelopment pressure mean demolition is not an imminent market-driven threat. the score reflects genuine uncertainty rather than a strong signal in either direction. axis b (tourist/cultural currency) scores 0, with confidence unknown: there are no google reviews, wikipedia pageviews, walking tour inclusions, or nps designations on record. this is not a modest score — it is a complete absence of evidence of any public-facing cultural draw. either the building generates no measurable visitation interest, or the data sources consulted did not capture it; field validation is required before b can be treated as confirmed zero rather than a data gap.
sources
- la311: https://data.lacity.org/resource/h65r-yf5i.json?$where=within_circle(location%2c%2034.06376046113562%2c%20-118.3490709269076%2c%20152)%20and%20createddate%20%3e%20'2024-05-11'&$limit=1000 --- _generated by hcm-1200 orchestrator on 2026-05-11t01:17:36.282z._