HCM-119 — designated 1973-05-16
Cohn - Goldwater Building
525 East 12th Street and 1145-1149 San Julian Street
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 ↗ big orange landmarks ↗ (bariscale, 2008) concrete (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 6 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
- 34.03474, -118.25452
- parcel acres
- 0.38215253774978175 (inferred)
- typology
- commercial
- TPA / TOC
- yes — tier 2
- 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
- active
- vacancy proxy basis
- recent investment over 250k in 60mo
- last permit
- 2023
- permits last 24mo
- 0
- code complaints 24mo
- 0
- CSR open cases
- 0
- 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)
- $51,917
- assessed value
- —
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
- 6037226002
- CalEnviroScreen overall percentile
- 99.7 (decile 10)
- cleanups percentile
- 97.2
- groundwater threats percentile
- 78.1
- hazardous waste percentile
- 98.8
- toxic release percentile
- 82.2
- lead exposure percentile
- 71.6
- EnviroStor cleanup sites nearby
- —
- in CGS liquefaction zone
- no
- type-1 contamination probability (fused)
- 0.64 — moderate
- type-2 structural-risk probability
- 0.20 — low
Narrative
history
the cohn-goldwater building (hcm-119) is a commercial structure located in los angeles whose precise construction date is not confirmed in current records (approximately late 19th to early 20th century, consistent with the naming conventions and commercial typologies common to that era in downtown-adjacent los angeles neighborhoods). the building takes its name from two commercial proprietors or developers — cohn and goldwater — whose specific identities and the nature of their enterprise have not been verified in publicly available records at this time. the building's original use was commercial retail or mercantile, a typology that proliferated in los angeles during its rapid urbanization period. no major documented events — fires, notable transactions, or historically significant occupancies — have been confirmed in the fetched data, and the absence of nrhp listing suggests it has not undergone formal federal historic-significance review.
architectural significance
without confirmed architect attribution or detailed field survey data in the fetched record, a precise stylistic classification cannot be made with confidence. commercial buildings of this name vintage and typology in los angeles typically exhibit italianate, romanesque revival, or early commercial vernacular features — brick or masonry construction, corbeled cornices, and storefront bays adapted for retail use. comparable extant examples in los angeles include surviving italianate commercial blocks along spring street and broadway in the historic core. distinctive features of the cohn-goldwater building specifically cannot be enumerated without field documentation or archival photographic records, and any such characterization at this stage would be speculative.
neighborhood context
the tract-level data shows a median household income of $51,917, which positions the surrounding neighborhood in the lower-middle income band relative to the los angeles county median, earning a mid-range score (e = 6) that reflects modest but not severely distressed conditions. population in the tract grew by 119 persons over the five-year measurement period, indicating marginal but positive demographic momentum rather than decline or rapid displacement pressure. the 311-derived externality signals — encampment incidents, dumping, and graffiti counts — are each recorded at zero within the relevant radius, though this likely reflects data absence rather than confirmed clean conditions. transit proximity and toc/tpa designation are unconfirmed in the fetched data, leaving transit-oriented development context unresolved. | metric | value | |---|---| | census tract | 06037226002 | | median hhi | 51917 | | 5yr δ population | 119 | | 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, indicating ambiguity: the building is not nrhp-listed, no prominent architect is attributed, and no evidence of recent owner investment or active adaptive reuse demand is present in the data. a score of 5 reflects a genuine mid-range assessment — the building is neither demonstrably self-sustaining nor clearly at immediate demolition risk absent protection, but the absence of positive survival signals (landmark designation, active investment, high cultural visibility) does not support a low score. axis b (tourist/cultural currency) scores 0, but confidence is marked unknown because no google review data, wikipedia pageview data, walking tour inclusion, or tripadvisor presence was retrievable; the score reflects data absence, not confirmed irrelevance, and should not be treated as a confirmed finding. axes c (subsidy efficiency) and f (alternative use value) both score 0 at unknown confidence for the same reason — mills act status, federal htc, vacancy status, parcel acreage, zoning capacity, and toc/tpa tier are all null in the fetched record. axis d (externality load) scores 0 at medium confidence, consistent with the three zero-count 311 signals returned, though vacancy duration and code complaint history remain unconfirmed. axis e (neighborhood health) scores 6 at high confidence, grounded in the acs-derived median hhi of $51,917 and modest positive population change, suggesting a neighborhood that is neither thriving nor acutely distressed.
sources
- la311: https://data.lacity.org/resource/h65r-yf5i.json?$where=within_circle(location%2c%2034.034742495629814%2c%20-118.25451617488442%2c%20152)%20and%20createddate%20%3e%20'2024-05-10'&$limit=1000 --- _generated by hcm-1200 orchestrator on 2026-05-10t22:52:00.530z._