HCM-482 — designated 1987-05-01
Arthur S. Bent House
161-169 South Avenue 49
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 5 neighborhood health — median household income, distress indicators, displacement risk.
- F. alternative-use value 7 alternative-use value — parcel acres, TOC tier, TPA eligibility, zoning capacity for higher use.
overall confidence: unknown
Site
- lat / lon
- 34.10183, -118.20060
- parcel acres
- 1.465439817573797 (inferred)
- typology
- sfr
- 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
- 1
- 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)
- $79,543
- 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
- partial
- building type
- sfr
- overall condition
- fair
- type-1 indicators (industrial obsolescence)
- chain link perimeter
- other indicators
- empty no vehicle
- notes
- A structure is faintly visible through dense tree cover behind a chain-link fence in the westward view; the property appears maintained but the building itself is largely obscured by vegetation and distance from the freeway-adjacent vantage point.
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
- 6037183820
- CalEnviroScreen overall percentile
- 73.4 (decile 8)
- cleanups percentile
- 4.3
- groundwater threats percentile
- 22.1
- hazardous waste percentile
- 7.3
- toxic release percentile
- 72.5
- lead exposure percentile
- 85.7
- EnviroStor cleanup sites nearby
- —
- in CGS liquefaction zone
- no
- type-1 contamination probability (fused)
- 0.18 — low
- type-2 structural-risk probability
- 0.20 — low
Narrative
history
the arthur s. bent house (hcm-482) is a single-family residence designated as a historic-cultural monument by the city of los angeles. specific construction date records were not retrievable in the current data pull; the build year is therefore unconfirmed and should be treated as approximately late 19th to early 20th century based on typical sfr hcm cohorts from this designation era. the architect of record is unknown from available sources. the structure is named for arthur s. bent, an individual whose civic, professional, or community significance provided the basis for designation; however, the specific rationale for designation — whether tied to bent's biography, the architectural merit of the structure, or both — could not be independently verified from fetched data. no major documented fire events, significant ownership transfers, or adaptive-reuse episodes appear in the current record, though absence of data should not be interpreted as absence of events.
architectural significance
the typology is recorded as single-family residential (sfr), consistent with the craftsman, colonial revival, or period-revival styles common among los angeles hcm-designated homes of this era. no architect of record is identified in the fetched data, precluding comparison to a known designer's body of work. without field-survey documentation or permit records, stylistic features, material palette, and spatial organization cannot be characterized with confidence. comparable extant examples of sfr hcms in los angeles — including structures in west adams, highland park, and angelino heights — provide a reference class, but direct stylistic comparison awaits field validation.
neighborhood context
the tract containing hcm-482 reports a median household income of $79,543, which places it above the citywide median and in the lower-middle range of the framework's e-axis scoring band, yielding a score of 5 — neither distressed nor robustly prosperous. population declined by approximately 450 residents over the measured five-year window, suggesting household formation pressure or unit consolidation rather than active neighborhood growth. the 311 externality load at the immediate parcel level is effectively zero across the tracked categories (encampments, dumping, graffiti), indicating no measurable negative spillover from the hcm itself. transit proximity and toc/tpa designation data were not returned, leaving the alternative-use calculus partially unresolved. | metric | value | |---|---| | census tract | 06037183820 | | median hhi | 79543 | | 5yr δ population | -450 | | 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 genuine ambiguity: no nrhp listing, no identified architect of prominence, and no data on recent owner investment or comparable-example scarcity. a score of 5 means the structure is neither clearly at risk nor clearly self-sustaining — it sits at the margin where market forces could plausibly lead to demolition or benign neglect but have not demonstrably done so yet. axis b (tourist/cultural currency) scores 0, but confidence is unknown because no google review counts, wikipedia pageview data, walking-tour inclusions, or nps designations were returned; this zero reflects data absence, not confirmed irrelevance, and must not be treated as a confirmed signal. axis c (subsidy efficiency) similarly scores 0 at unknown confidence — no mills act contract, no federal htc, and no vacancy or complaint data under subsidy were retrieved, meaning the axis is effectively blank rather than favorable. axis d (externality load) scores 0 at medium confidence, supported by confirmed zero counts across encampment, dumping, and graffiti categories; code complaints and fire calls remain unconfirmed, but available signals suggest minimal negative spillover. axis e (neighborhood health) scores 5 at high confidence, consistent with a tract that is neither acutely distressed nor strongly appreciating; the population decline introduces a note of caution. axis f (alternative-use value) scores 0 at unknown confidence because parcel acreage, zoning capacity, and tpa/toc tier are all null — this prevents any substantive assessment of redevelopment upside and is the single most consequential data gap in this record.
sources
- la311: https://data.lacity.org/resource/h65r-yf5i.json?$where=within_circle(location%2c%2034.10183471840688%2c%20-118.20059703989817%2c%20152)%20and%20createddate%20%3e%20'2024-05-11'&$limit=1000 --- _generated by hcm-1200 orchestrator on 2026-05-11t02:13:15.941z._