HCM-208 — designated 1979-01-17
Residence and Carriage House
841-845 South Lake 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 · marble (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 2 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
- 34.05427, -118.28007
- parcel acres
- 0.49040842351581865 (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
- active
- vacancy proxy basis
- recent investment over 250k in 60mo
- last permit
- 2022
- 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)
- $32,361
- 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
- fair
- type-1 indicators (industrial obsolescence)
- chain link perimeter
- type-2 indicators (residential distress)
- vegetation overgrowth
- notes
- The historic green wood-frame residence is visible from multiple angles, enclosed by chain-link fencing with razor wire and heavy vegetation overgrowth on the east side, though the structure itself appears structurally intact.
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
- 6037209401
- CalEnviroScreen overall percentile
- 90.1 (decile 10)
- cleanups percentile
- 44.8
- groundwater threats percentile
- 49.8
- hazardous waste percentile
- 31.5
- toxic release percentile
- 78.2
- lead exposure percentile
- 81.0
- EnviroStor cleanup sites nearby
- —
- in CGS liquefaction zone
- no
- type-1 contamination probability (fused)
- 0.71 — high (CalEnviroScreen tract burden + parcel-level EnviroStor proximity both signal contamination context)
- type-2 structural-risk probability
- 0.20 — low
Narrative
history
hcm-208, designated as the residence and carriage house, is a single-family residential property holding historic-cultural monument status in los angeles. precise construction date, original occupants, and architect of record are not documented in the available fetched data, a gap that itself warrants archival investigation. the carriage house component indicates an original construction date predating widespread automobile ownership, suggesting a build date prior to approximately 1910–1920, when carriage houses were a functional element of upper- and middle-class residential compounds in los angeles. no major documented events, ownership milestones, or significant alterations are recorded in the current data pull. the absence of nrhp listing means federal-level evaluation of significance has either not been pursued or was not sustained, leaving the monument's primary claim to significance resting on the local hcm designation alone.
architectural significance
the typology classification as a single-family residence with an accessory carriage house situates hcm-208 within a category of late victorian or early craftsman-era residential compounds that were once common throughout los angeles neighborhoods developed between roughly 1885 and 1920. the carriage house itself is a comparatively rare surviving accessory structure type; most were demolished or converted during the mid-twentieth century as automobile culture reshaped residential lots. comparable extant examples in los angeles include carriage house survivors in west adams, angelino heights, and portions of highland park, several of which carry their own hcm or nrhp designations. without architect attribution data, no claim of designer significance can be made. the architectural integrity of the structure and the degree of alteration over time are unknown from the current data and must be assessed through field inspection.
neighborhood context
the tract-level data presents a picture of genuine economic distress. the median household income of $32,361 places this census tract well below both los angeles city and county medians, scoring a 2 out of 10 on the neighborhood health axis — among the lowest tier captured by the framework. a five-year population loss of 739 residents signals either displacement pressure, housing contraction, or both, rather than organic demographic stability. the 311-derived externality indicators (encampment, dumping, graffiti counts) return zero, which is notable but should be interpreted cautiously given that overall data confidence for this hcm is flagged as unknown; absence of recorded complaints may reflect low reporting density rather than a clean block environment. no transit proximity (tpa/toc) tier or zoning capacity data is available, leaving the alternative use value axis unresolvable from current inputs. | metric | value | |---|---| | census tract | 06037209401 | | median hhi | 32361 | | 5yr δ population | -739 | | 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 a roughly even counterfactual: the building is neither so architecturally prominent nor so economically attractive to developers that its fate is clearly predictable either way. no nrhp listing, no identified architect of prominence, and no recorded owner investment tilt the score slightly toward vulnerability, but the absence of aggressive development pressure (itself unverifiable given missing parcel and zoning data) prevents a lower score. axis b (tourist and cultural currency) scores 0; no google reviews, wikipedia pageviews, walking tour inclusion, or nps designation are on record. this is not a destination asset by any measurable metric at present. axis c (subsidy efficiency) scores 0, not because subsidy efficiency is poor, but because no mills act contract, federal htc, or vacancy data exists — the axis is entirely unresolvable. the same data void applies to axis f (alternative use value), where parcel acreage, zoning capacity, and toc tier are all null, producing a score of 0 that reflects data absence rather than a genuine finding of low redevelopment potential. axis d (externality load) scores 0 at medium confidence, supported by the three 311-derived counts all returning zero. this is the most defensible low score in the dataset, though medium rather than high confidence is appropriate given the data environment described above. axis e (neighborhood health) scores 2 at high confidence, driven by a median hhi of $32,361 and a five-year population decline of 739 — both hard acs-derived figures. this tract qualifies as genuinely distressed under the framework's e threshold of ≤5. the reassess flag is the correct output under these conditions. the candidate flag requires confidence ≥ medium across gating axes, and overall confidence is rated unknown due to pervasive null fields in vacancy, parcel, zoning, subsidy, and tourism data. axis f returning 0 from a null-data state rather than from a scored assessment means the f_min ≥ 6 gating condition cannot be evaluated honestly. axis c is similarly unresolvable. promoting this hcm to candidate status on the basis of incomplete data would not be defensible against field or archival review. reassess directs analysts to conduct on-site inspection, obtain parcel records, query the mills act contract database, and pull building permit history before any disposition decision is made.
sources
- la311: https://data.lacity.org/resource/h65r-yf5i.json?$where=within_circle(location%2c%2034.054267778335706%2c%20-118.28006620455545%2c%20152)%20and%20createddate%20%3e%20'2024-05-10'&$limit=1000 --- _generated by hcm-1200 orchestrator on 2026-05-10t23:33:59.336z._