Kolmo Construction

Permit requirements lookup

check_permit_requirements

Read-onlyIdempotent

Check whether a residential construction project in King/Pierce/Snohomish counties requires a permit. Each result carries verdict — required / exempt / depends / unknown — computed from the jurisdiction's own thresholds, the parcel's overlays (when address is given) and the facts you pass; when it is depends, verdict.questions names the facts to ask the homeowner and pass back. requiresPermit is the rule's default posture, not the answer. Also returns timeline, fees, inspections, submittals and the official source URL. Use for "Do I need a permit to build a deck in Seattle?". Pass address to also get the per-item submittal set (submittals_v2).

Input Schema

TableJSON Schema

Name	Required	Description
`facts`	No	What the homeowner has said about the scope, keyed by fact. Each result carries `verdict.questions` naming the facts still open, with their keys; pass the answers back here. Parcel facts (inCriticalArea, inFloodZone, inShoreline, historicOrLandmark) are read from the parcel when `address` is given; pass them only without an address.
`limit`	No	Max matching rules to return (default 25). Narrow with projectType/location before raising it.
`address`	No	Full street address — when provided, the response includes `submittals_v2` from the unified resolver (per-item triggers, source citations, filler actor). Overrides `location` for jurisdiction routing.
`location`	No	City or jurisdiction slug, e.g. "Seattle", "Bellevue", "Tacoma", "king-county-unincorporated"
`projectType`	No	Project type — canonical: kitchen, bathroom, basement, deck, fence, siding, windows, flooring, adu, roofing, hvac, electrical, plumbing, addition
`guardRunLengthFt`	No	Total guard/railing run in the scope of work, feet. A guard is separately permittable from the surface it stands on; a deck exemption does not carry it.
`deckOverStoryBelow`	No	True if any part of the deck is over a basement or a story below. A deck under 30 in is still NOT exempt in Kirkland if it sits over a story.
`deckOnAccessibleRoute`	No	True if the deck is part of an accessible route to a building entrance — an independent permit trigger, separate from height.
`deckHeightAboveGradeIn`	No	Deck walking surface above grade, inches — measured to the grade below at any point within 36 in of the outer edge.

Output Schema

TableJSON Schema

Name	Required	Description
`next`	No
`total`	No
`parcel`	No
`message`	No
`results`	No
`routing`	No
`coverage`	No	Present on an unfiltered call: the jurisdictions and project types the catalog covers.
`overlays`	No
`returned`	No
`important`	No
`disclaimer`	No
`trustLevel`	No	"authoritative" when every returned rule is the city's own rule; "mixed" when some are the Washington state floor or not verified for the city (each rule carries its own `source` and `verdict`); or a LEGACY_LLM_SEED warning. Relay the warning or the mixed note if present.
`attribution`	No
`recommendation`	No
`overlayDisclaimer`	No
`authoritativeRulesCount`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed5 schema fields changedOct 10, 2026

removedInput schema / $schema

Removed value: -"http://json-schema.org/draft-07/schema#"

changedInput schema / properties / facts / description

Previous value: -"What the homeowner has said about the scope, keyed by fact. Each result carries `verdict.questions` naming the facts still open; pass them back here. Keys: deckHeightAboveGradeIn, deckAreaSqft, deckAttached, deckOverStoryBelow, deckOnAccessibleRoute, deckServesRequiredExit, roofDeck, deckCovered, deckingBoardsOnly, fenceHeightFt, masonryWallHeightFt, fenceInFrontYard, cosmeticOnly, plumbingMovedOrAdded, newCircuits, gasOrMechanicalWork, structuralOrWallChange, tubOrShowerReplaced, surfacesOpened, windowNewOrEnlargedOpening, windowStructuralChange, windowEgressAffected, windowEnergyDowngrade, sidingStructuralChange, sidingInsulationOrWrbChange, sidingStuccoOrVeneer, roofSheathingReplaced, roofMaterialTypeChange, roofLayersAfter, roofUnitWeightPsf, roofMaterialWeightIncreasePsf, roofFramingChange, roofSkylightsOrMechanical, buildingUnreinforcedMasonry, subfloorOrJoistChange, radiantHeat, plumbingLeakRepairOnly, plumbingLikeForLikeSameLocation, plumbingFixtureInstalledOrReplaced, plumbingFixtureAddedOrMoved, waterHeaterReplaced, plumbingNewOrRelocatedPiping, plumbingConcealedPipeReplaced, electricalLikeInKindMinor, newCircuitsOrPanel, hardwiredFixtureOrAppliance, portableAppliance, hvacMinorPartReplacement, treeDbhIn, treeAlderOrCottonwood, treesRemovedThisYear. Parcel facts (inCriticalArea, inFloodZone, inShoreline, historicOrLandmark) are read from the parcel when `address` is given; pass them only without an address."New value: +"What the homeowner has said about the scope, keyed by fact. Each result carries `verdict.questions` naming the facts still open, with their keys; pass the answers back here. Parcel facts (inCriticalArea, inFloodZone, inShoreline, historicOrLandmark) are read from the parcel when `address` is given; pass them only without an address."

removedOutput schema / $schema

Removed value: -"http://json-schema.org/draft-07/schema#"

removedOutput schema / additionalProperties
```
Removed value: -true
```
removedOutput schema / properties / attribution / additionalProperties
```
Removed value: -true
```

Changed1 schema field changedOct 2, 2026

changedOutput schema / properties / trustLevel / description

Previous value: -"\"authoritative\" or a LEGACY_LLM_SEED warning. Relay the warning if present."New value: +"\"authoritative\" when every returned rule is the city's own rule; \"mixed\" when some are the Washington state floor or not verified for the city (each rule carries its own `source` and `verdict`); or a LEGACY_LLM_SEED warning. Relay the warning or the mixed note if present."

Changed1 schema field changedSep 25, 2026
- addedOutput schema / properties / routing
```
Added value: +{}
```

Changed1 schema field changedSep 14, 2026

addedInput schema / properties / facts

Added value: +{
+  "additionalProperties": {
+    "type": [
+      "number",
+      "boolean"
+    ]
+  },
+  "description": "What the homeowner has said about the scope, keyed by fact. Each result carries `verdict.questions` naming the facts still open; pass them back here. Keys: deckHeightAboveGradeIn, deckAreaSqft, deckAttached, deckOverStoryBelow, deckOnAccessibleRoute, deckServesRequiredExit, roofDeck, deckCovered, deckingBoardsOnly, fenceHeightFt, masonryWallHeightFt, fenceInFrontYard, cosmeticOnly, plumbingMovedOrAdded, newCircuits, gasOrMechanicalWork, structuralOrWallChange, tubOrShowerReplaced, surfacesOpened, windowNewOrEnlargedOpening, windowStructuralChange, windowEgressAffected, windowEnergyDowngrade, sidingStructuralChange, sidingInsulationOrWrbChange, sidingStuccoOrVeneer, roofSheathingReplaced, roofMaterialTypeChange, roofLayersAfter, roofUnitWeightPsf, roofMaterialWeightIncreasePsf, roofFramingChange, roofSkylightsOrMechanical, buildingUnreinforcedMasonry, subfloorOrJoistChange, radiantHeat, plumbingLeakRepairOnly, plumbingLikeForLikeSameLocation, plumbingFixtureInstalledOrReplaced, plumbingFixtureAddedOrMoved, waterHeaterReplaced, plumbingNewOrRelocatedPiping, plumbingConcealedPipeReplaced, electricalLikeInKindMinor, newCircuitsOrPanel, hardwiredFixtureOrAppliance, portableAppliance, hvacMinorPartReplacement, treeDbhIn, treeAlderOrCottonwood, treesRemovedThisYear. Parcel facts (inCriticalArea, inFloodZone, inShoreline, historicOrLandmark) are read from the parcel when `address` is given; pass them only without an address.",
+  "type": "object"
+}

Changed9 schema fields changedSep 3, 2026

addedInput schema / properties / limit

Added value: +{
+  "description": "Max matching rules to return (default 25). Narrow with projectType/location before raising it.",
+  "maximum": 200,
+  "minimum": 1,
+  "type": "integer"
+}

removedOutput schema / properties / attribution / properties / contractorLicense
```
Removed value: -{
-  "type": "string"
-}
```
removedOutput schema / properties / attribution / properties / note
```
Removed value: -{
-  "type": "string"
-}
```
removedOutput schema / properties / attribution / properties / organization
```
Removed value: -{
-  "type": "string"
-}
```
removedOutput schema / properties / attribution / properties / retrievedFrom
```
Removed value: -{
-  "type": "string"
-}
```
removedOutput schema / properties / attribution / properties / url
```
Removed value: -{
-  "type": "string"
-}
```

changedOutput schema / properties / attribution / required

Previous value: -[
-  "organization",
-  "contractorLicense",
-  "url",
-  "sourceUrl",
-  "citeAs",
-  "retrievedFrom",
-  "note"
-]New value: +[
+  "sourceUrl",
+  "citeAs"
+]

addedOutput schema / properties / coverage

Added value: +{
+  "description": "Present on an unfiltered call: the jurisdictions and project types the catalog covers."
+}

addedOutput schema / properties / returned
```
Added value: +{
+  "type": "number"
+}
```

Changed1 schema field changedAug 31, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": true,
+  "description": "Either a rule set, or a documented coverage gap carrying `important` + `next`. A gap is never evidence that no permit is required.",
+  "properties": {
+    "attribution": {
+      "additionalProperties": true,
+      "properties": {
+        "citeAs": {
+          "description": "Ready-made citation line. Use verbatim.",
+          "type": "string"
+        },
+        "contractorLicense": {
+          "type": "string"
+        },
+        "note": {
+          "type": "string"
+        },
+        "organization": {
+          "type": "string"
+        },
+        "primarySource": {
+          "description": "Present when Kolmo verified but does not author the fact — cite both.",
+          "type": "string"
+        },
+        "retrievedFrom": {
+          "type": "string"
+        },
+        "sourceUrl": {
+          "description": "The specific page these facts render on. Link this, not the site root.",
+          "type": "string"
+        },
+        "url": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "organization",
+        "contractorLicense",
+        "url",
+        "sourceUrl",
+        "citeAs",
+        "retrievedFrom",
+        "note"
+      ],
+      "type": "object"
+    },
+    "authoritativeRulesCount": {
+      "type": "number"
+    },
+    "disclaimer": {
+      "type": "string"
+    },
+    "important": {
+      "type": "string"
+    },
+    "message": {
+      "type": "string"
+    },
+    "next": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "overlayDisclaimer": {
+      "type": "string"
+    },
+    "overlays": {},
+    "parcel": {},
+    "recommendation": {
+      "type": "string"
+    },
+    "results": {},
+    "total": {
+      "type": "number"
+    },
+    "trustLevel": {
+      "description": "\"authoritative\" or a LEGACY_LLM_SEED warning. Relay the warning if present.",
+      "type": "string"
+    }
+  },
+  "type": "object"
+}

Changed4 schema fields changedAug 8, 2026

addedInput schema / properties / deckHeightAboveGradeIn

Added value: +{
+  "description": "Deck walking surface above grade, inches — measured to the grade below at any point within 36 in of the outer edge.",
+  "type": "number"
+}

addedInput schema / properties / deckOnAccessibleRoute

Added value: +{
+  "description": "True if the deck is part of an accessible route to a building entrance — an independent permit trigger, separate from height.",
+  "type": "boolean"
+}

addedInput schema / properties / deckOverStoryBelow

Added value: +{
+  "description": "True if any part of the deck is over a basement or a story below. A deck under 30 in is still NOT exempt in Kirkland if it sits over a story.",
+  "type": "boolean"
+}

addedInput schema / properties / guardRunLengthFt

Added value: +{
+  "description": "Total guard/railing run in the scope of work, feet. A guard is separately permittable from the surface it stands on; a deck exemption does not carry it.",
+  "type": "number"
+}

Changed1 schema field changedMay 17, 2026

addedInput schema / properties / address

Added value: +{
+  "description": "Full street address — when provided, the response includes `submittals_v2` from the unified resolver (per-item triggers, source citations, filler actor). Overrides `location` for jurisdiction routing.",
+  "type": "string"
+}

Changed2 schema fields changedApr 27, 2026

changedInput schema / properties / location / description

Previous value: -"City or area, e.g. \"Seattle\", \"Bellevue\", \"Kirkland\""New value: +"City or jurisdiction slug, e.g. \"Seattle\", \"Bellevue\", \"Tacoma\", \"king-county-unincorporated\""

changedInput schema / properties / projectType / description

Previous value: -"Type of project, e.g. \"deck\", \"kitchen\", \"addition\", \"fence\", \"ADU\""New value: +"Project type — canonical: kitchen, bathroom, basement, deck, fence, siding, windows, flooring, adu, roofing, hvac, electrical, plumbing, addition"

First observedApr 13, 2026

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