
Castle Surf Apartments
Preliminary Information – Full Audit Pending
This buildings features were determined from publicly available data, including MLS listings. While we cross-referenced additional data sources, it still likely contains incomplete or inaccurate information, as it has not yet been personally verified.
Once a building has been fully audited, this page will be replaced with an in-depth analysis featuring verified details and photos of every key feature.
Until then, we provide a data‑driven overview that blends statistical analysis of the checkbox selections agents make in MLS with an AI‑powered read of their public remarks—yielding a clearer picture of the building than raw listings alone.
If this building is important to your search, you can help prioritize it for a full audit by requesting one below. To see what a complete report looks like, check out the example full report.
Castle Surf Apartments
Building Overview
Castle Surf Apartments in Diamond Head-Kapahulu-St. Louis; concrete building (1960) with ocean and mountain views, window air conditioning, assigned covered parking.

About Castle Surf Apartments
Based on MLS data, Castle Surf Apartments is a mid-century residential building located in the Diamond Head–Kapahulu–St. Louis neighborhood. Constructed in 1960 of concrete, the property is recorded as offering ocean, mountain, and sunset views and uses window air conditioning units.
According to available records, building features include views of the ocean and mountains and window A/C. Pet ownership and short-term rentals are listed as not allowed; no other amenities are specified in the MLS-provided data.
MLS data indicates parking is available, covered, and assigned. Management company is listed as unknown in the available records. Buyers should verify all details, restrictions, and any additional fees or rules with the listing agent or managing entity before making decisions.
Building Features & Data Confidence
All features from MLS data with AI-assisted confidence analysis. Click each category to expand and see details.
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Calculated from the lowest association fee observed across all non-penthouse unit listings for this building.
Calculated from the highest association fee observed across all non-penthouse unit listings for this building.
Calculated from association fees observed in penthouse unit listings for this building.
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MLS checkbox CABTV appears in 8 of 9 current listings and one public remark explicitly states 'Basic Cable' is included in the maintenance fee. Evidence is strong across MLS entries and directly confirmed in at least one agent remark, though some copy/paste of checkboxes across listings is possible.
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ELECTR appears in 8 of 9 MLS association_fee_includes entries and an agent remark explicitly lists 'Electricity' as included in maintenance. The combination of widespread MLS checkbox use and direct remark confirmation indicates strong evidence the building's fees include electricity.
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HOTWAT is checked in 8 of 9 MLS listings, but no public remark explicitly cites 'hot water' as included. The MLS prevalence implies hot water is included, but absence of explicit agent remarks reduces certainty and suggests possible copy/paste of checkboxes.
INTERNET (INTSER) appears in 6 of 9 MLS listings and one public remark explicitly lists 'Internet' as included in the maintenance fee. The direct remark confirmation plus multiple MLS checkboxes provide solid evidence the building includes internet in fees.
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SEWER is checked in 5 of 9 MLS listings but no public remarks explicitly mention sewer being included. This moderate MLS prevalence suggests sewer may be included in some listings' fee data, but lack of remarks and possible checkbox copy/paste lower confidence.
WATER appears in 5 of 9 MLS listings and is explicitly listed in a public remark: 'Included in the maintenance fee is Water'. The direct remark confirmation combined with MLS checkbox presence indicates strong evidence water is included in the maintenance fee.
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Although 2 of 9 MLS listings currently have the meeting room amenity checked, none of the public remarks mention a meeting room, conference room, board room, hospitality room, or community room. Given the lack of any explicit remarks and no prior verification data, the checked MLS boxes appear to be copy/paste errors and the building should not be listed as having a meeting room.
At least five separate listing remarks explicitly reference a lanai or covered lanai (phrases include 'covered lanai' and 'private lanai'), matching the MLS checkbox (5/9). Mentions appear across multiple listings/agents rather than a single copy-paste entry, providing consistent evidence that the building offers patio/deck (lanai) amenities.
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Strong consistent evidence: 8 of 9 current MLS listings check the storage amenity and at least five listings’ unit features include storage. Public remarks repeatedly mention 'storage locker', 'one storage locker', and 'separate storage unit', indicating the building offers storage/lockers to units. Multiple agents and listings confirm it, so confidence is high.
Although the remarks reference nearby surf spots and direct ocean access, there are no statements about surfboard storage or dedicated board storage facilities. I searched for 'surfboard storage', 'board storage', and similar terms and found none.
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Despite 7 of 9 MLS listings currently indicating a trash chute, none of the public remarks mention a trash, garbage, or refuse chute. With no corroborating remarks or prior verification, the checkbox indications appear to be agent copy/paste errors; the building should not be represented as having a trash chute.
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The public remarks do not mention a pool or a saltwater pool, and the provided building context lists pool=False. Given the absence of any pool reference and the building context, salt pool is not applicable.
Strong evidence that some units have in-unit laundry: 8 of 9 current MLS listings include WASHER/DRYER and at least five separate remark blocks explicitly mention an in-unit washer/dryer (quotes include 'new washer/dryer combination', 'convenient washer and dryer', and 'there is a washer and dryer in the unit'). Mentions appear across multiple agent listings, indicating the building offers units with in-unit laundry.
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I looked for phrases such as 'coin laundry', 'paid laundry', 'quarters', or 'card operated' and found no references. The remarks describe in-unit washers/dryers but do not indicate any paid community laundry.
I searched the remarks for phrases like 'laundry on each floor', 'laundry room on every floor', or 'floor-by-floor laundry' and found none. The listings instead note an in-unit washer/dryer; there is no evidence of community laundry on every floor.
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Strong evidence across listings that the building offers covered parking: 7 of 9 current MLS listings include covered/garage parking and multiple agent remarks explicitly state 'two covered parking spaces', 'covered parking another feature', and 'one covered parking stall'. Mentions appear across different unit remarks rather than a single copy/paste, supporting a building-level covered parking amenity.
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I searched the remarks for 'key card access', 'fob', 'card reader', and similar security access language and found none. There is no evidence in the public remarks to confirm card/fob entry.
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I looked for mentions of 'security patrol', 'roving security', or 'patrolled building' and found none. The building context also indicates security_guard=false and resident_manager=false, so there is no evidence of a patrol service.
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All 9 current MLS listings indicate 'CONCRE' for construction_materials. Multiple public remarks describe building-wide 'spalling repairs' and extensive renovations, language that specifically points to concrete deterioration and repair. Evidence is consistent across listings and agents (likely not mere copy-paste) so confidence is high that the building is concrete-constructed.
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Flood zone determined from official FEMA Digital Flood Insurance Rate Map (DFIRM) data using building coordinates, not from agent-reported listing data.
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All 9 listings (MLS) list OCEAN in the view descriptions and remarks repeatedly state 'oceanfront', 'Direct Oceanfront', 'Pacific Ocean', and 'sweeping ocean views'. Evidence is strong and consistent across multiple agents/remarks, indicating the building offers ocean-view units.
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Four of nine MLS listings list Diamond Head in view_descriptions and several public remarks state 'sweeping views of Diamond Head', 'Diamond Head lifestyle', and 'Iconic... Diamondhead', showing consistent, agent-confirmed evidence that Diamond Head views exist in the building.
Five of nine MLS listings list CITY in view_descriptions. While remarks focus on Waikiki coastline and nearby urban attractions rather than explicitly saying 'city view', the MLS indications plus references to Waikiki/downtown make it likely some units offer city/urban views.
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The public remarks explicitly say the unit is 'Perfect for sunsets and watching the fireworks off Waikiki,' which indicates a view of fireworks from the unit/building. This provides strong evidence the building/units have fireworks views.
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Confidence levels are based on MLS checkbox data and AI analysis of listing remarks. High = strong evidence, Medium = some evidence, Low = limited or conflicting evidence. Buyers should always verify critical details independently.