HCM-212 — designated 1979-05-16
Stimson House
2421 South Figueroa Street
stone-family or non-stone masonry construction per bariscale material classification — the envelope is the artifact, architectural-significance argument unambiguous regardless of per-axis rubric signals. override layer that catches cases the per-axis classifier would otherwise leave in insufficient_data or reassess due to data sparsity (e.g. hcm-80 palm court of the alexandria hotel: marble columns + dome, but wikipedia + walking-tour signals are weak because the venue is a private-event interior).
stone-family or masonry construction per material classifier — envelope is the artifact; the architectural-significance argument is unambiguous regardless of per-axis signals.
street view ↗ satellite ↗ big orange landmarks ↗ (bariscale, 2009) stone · sandstone (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 1 externality load — code complaints, CSR cases, 311 encampment/dumping/graffiti, vacancy duration.
- E. neighborhood health 1 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
- 34.02973, -118.27602
- parcel acres
- 1.2419264535102303 (inferred)
- typology
- sfr
- TPA / TOC
- yes — tier 4
- 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
- partial
- vacancy proxy basis
- single permit 5 to 10y old
- last permit
- 2021
- 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)
- $25,725
- 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
- no — street view does not frame the building; HITL + satellite needed
- building type
- unclear
- overall condition
- cannot determine
- notes
- No Street View imagery is available for any of the four headings at this location; the building is not visible in any of the four images.
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
- 6037224420
- CalEnviroScreen overall percentile
- 85.5 (decile 9)
- cleanups percentile
- 7.7
- groundwater threats percentile
- 39.4
- hazardous waste percentile
- 16.9
- toxic release percentile
- 81.7
- lead exposure percentile
- 94.9
- EnviroStor cleanup sites nearby
- —
- in CGS liquefaction zone
- no
- type-1 contamination probability (fused)
- 0.40 — moderate
- type-2 structural-risk probability
- 0.20 — low
Narrative
history
the stimson house (hcm-212) is a private residential structure in los angeles whose precise construction date is not confirmed in the fetched dataset; based on architectural typology and comparable south los angeles estate construction, it is estimated to date from the late nineteenth or very early twentieth century (approximately 1891–1905). the structure is associated with the stimson family, prominent in los angeles commercial and real-estate circles during the city's first major growth boom, though specific occupancy records and original architect attribution are not recoverable from available data and must be treated as uncertain. no national register of historic places listing is on record. no major documented events—fires, significant alterations, notable public uses—are captured in the fetched record, leaving the building's post-family history largely opaque to this analysis.
architectural significance
the stimson house is conventionally described as a romanesque revival or richardsonian romanesque residence, a typology rare in the single-family residential stock of los angeles and closely associated with the 1880s–1900s pattern-book interpretation of h.h. richardson's institutional work applied to elite domestic programs. distinguishing features typically include rusticated stone or heavy masonry massing, round-arched openings, asymmetrical facades, and decorative terra-cotta or carved stone banding. comparable extant examples in los angeles are extremely scarce at the residential scale; the closest analogues are institutional romanesque revival structures (e.g., portions of the original usc campus). this scarcity is architecturally significant but does not independently resolve the survival-without-protection question given the absence of data on recent owner investment or adaptive-reuse activity.
neighborhood context
the census tract surrounding hcm-212 records a median household income of $25,725—well below both the los angeles city median and the threshold associated with neighborhood stability in this framework—and a five-year population decline of 508 residents, indicating sustained disinvestment or displacement pressure rather than gentrification-driven demand. the 311 externality signal is effectively zero (no encampment, dumping, or graffiti calls within 500 feet in the available window), which could reflect genuine neighborhood quiet or, more plausibly given income and population trends, a data-collection gap or under-reporting in this submarket. transit proximity, zoning capacity, and toc/tpa tier data were not returned, leaving the parcel's redevelopment feasibility and transit context unscored. | metric | value | |---|---| | census tract | 06037224420 | | median hhi | 25725 | | 5yr δ population | -508 | | 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 genuine split signal: the architectural rarity of richardsonian romanesque residential fabric in los angeles creates some market curiosity value and potential adaptive-reuse interest, but the absence of nrhp listing, no confirmed recent owner investment, no documented architect of record, and a surrounding submarket with $25,725 median hhi substantially suppress the probability that market forces alone would protect this structure. the score is held at the midpoint honestly; it is not a strong survival case. axis b (tourist/cultural currency) scores 0, with confidence marked unknown because google reviews, wikipedia pageviews, walking-tour inclusion, and tripadvisor presence all returned null—no affirmative evidence of visitor draw exists in the dataset. this is not the same as confirmed zero draw, but the burden is on the hcm to demonstrate cultural currency, and it does not. axis c (subsidy efficiency) scores 0 at unknown confidence because mills act status, federal htc participation, and vacancy-with-subsidy data are all null; no subsidy relationship can be evaluated. axis d (externality load) scores 0 at medium confidence, consistent with the 311 call data returning zeros across all categories, though the low-income, declining-population context raises the question of whether externalities are genuinely absent or simply unrecorded. axis e (neighborhood health) scores 1 at high confidence: $25,725 median hhi is among the lowest deciles in the city, and a net loss of 508 residents over five years in a tract that is already low-income signals structural decline rather than transitional pressure. axis f (alternative use value) scores 0 at unknown confidence because parcel acreage, zoning capacity, and tpa/toc tier were not returned; no redevelopment uplift calculation is possible.
sources
- la311: https://data.lacity.org/resource/h65r-yf5i.json?$where=within_circle(location%2c%2034.02973144223878%2c%20-118.27602468166461%2c%20152)%20and%20createddate%20%3e%20'2024-05-10'&$limit=1000 --- _generated by hcm-1200 orchestrator on 2026-05-10t23:35:55.984z._