Source reference: Records indexed; drawings unverified
Record type: Parcel document index
Area: King County
Public record summary
This entry is a Parcel document index for 36117 2ND AVE S in King County.
Its recorded classification is Parcel document index.
This source indexes parcel-related septic, maintenance and water-system documents. Document counts do not identify an installed system type or confirm an approved as-built drawing.
Record ID: KC-OSS-1137800400.
Directory record identifier; not a verified permit number. Open source page or portal ↗
Document index
King County public records
This source indexes parcel-related septic, maintenance and water-system documents. Document counts do not identify an installed system type or confirm an approved as-built drawing.
Parcel number (PIN)
1137800400
OnlineRME maintenance documents
1
Septic / as-built documents
1
Group B water-system documents
0
Counts describe the source index. They do not establish current system condition or confirm an approved drawing.
How a conventional septic system works
General system overview
In a conventional system, wastewater travels from the building to a tank. Solids and floating material separate there; liquid flows onward to a drainfield for further treatment in the soil.
01 · Building
Wastewater leaves the building.
02 · Septic tank
Solids separate from the liquid.
03 · Drainfield
Liquid flows onward for treatment in the soil.
Address map preview
Satellite imagery
Approximate address lookup using Esri’s geocoding service. It does not show surveyed parcel boundaries or locate a well, tank or drainfield.
EPA identifies local health or environmental permitting authorities as a starting point for requesting system permits and record drawings. Confirm which office holds the files for this property.
01
Check this entry
No document link is stored with this entry.
02
Contact the authority
Confirm which office holds the property’s original files.
03
Review the documents
Check the address, parcel identifier, date and contents before using a system plan.
The directory has not confirmed whether an original drawing is held elsewhere.
Request Available Property Records
Pre-formatted public records letter pursuant to RCW Chapter 42.56 (Washington Public Records Act)
Designated Public Records CustodianPublic Health - Seattle & King County - Environmental Health Services Division
To: Records Custodian
Agency: Public Health - Seattle & King County - Environmental Health Services Division
Subject: Public Records Request – Septic Records for 36117 2ND AVE S
Dear Records Custodian,
Pursuant to RCW Chapter 42.56 (Washington Public Records Act), I am formally requesting copies of official onsite wastewater / septic public records on file for the following property in King County, WA:
• Property Address: 36117 2ND AVE S, Federal Way, WA
• Tax Parcel ID / APN: 1137800400
• Record ID: KC-OSS-1137800400
• Reference note: Directory record identifier; not a verified permit number.
• Regulatory Jurisdiction: King County
Please search for the following records, if held by your agency. This directory entry does not confirm that a permit or drawing exists:
1. The official As-Built Drawing / Final Installation Plot Plan showing the physical location and dimensions of the septic tank, access lids, and drainfield absorption lines.
2. The original Permit to Install / Final Approval certificate detailing approved bedroom capacity and tank sizing.
3. Any recorded historical inspection, repair, or maintenance reports archived under this parcel.
If your agency assesses an administrative copying fee, please inform me in advance if the total exceeds $15.00. Electronic copies delivered via email are preferred.
Thank you for your assistance.
Sincerely,
[Your Full Name]
[Your Phone Number]
[Your Email Address]
Tip: Paste this into an email to Public Health - Seattle & King County - Environmental Health Services Division or submit via their public records portal.
Professional inspectionEvery 3 yearsAt least, for an average household system
Typical tank pumpingEvery 3–5 yearsActual frequency depends on use and conditions
Mechanical systemsGenerally yearlySystems with electrical or mechanical components
EPA recommends professional inspection at least every three years for an average household system. Household tanks are typically pumped every three to five years. Systems with electrical or mechanical components generally need yearly inspection. Actual maintenance depends on use and system conditions.
This guidance describes household systems generally. The directory record does not establish this property’s maintenance history or next service date.
EPA Pumping Frequency & Maintenance Calculator
EPA Standard (Pub. 832-F-12-001)
Unspecified in filing — adjust if different
3 People
Average residential occupants
Receipt kept by owner / contractor
EPA Recommended Service Interval
Every 3 to 4 Years
Service Status
Select Year to Check Status
EPA Regulatory Requirement (The 1/3 Rule): Regardless of calendar years, a septic tank must be pumped whenever the floating scum layer comes within 6 inches of the outlet baffle or accumulated bottom sludge exceeds 30% to 33% of the liquid depth. Standard gravity systems require professional inspection every 1 to 3 years.
Property Septic Disclosure & Escrow Summary
Independent public-data summary; verify original source records
INDEPENDENT PUBLIC RECORD SUMMARY
PROPERTY SEPTIC DISCLOSURE & ESCROW SUMMARY
Prepared for Real Estate Due Diligence, Title Transfer, Escrow Closing & Home Inspection
Report ID: PSD-WA-KCOSS1137800400
Summary prepared: November 4, 2026
Area: WA Onsite Records
1. REAL PROPERTY & PUBLIC HEALTH JURISDICTION
Property Street Address:36117 2ND AVE S
Parcel Identification (APN):1137800400
Subdivision / Legal Lot:Not provided
County & State:King County, WA
Regulating Health Department:Public Health - Seattle & King County - Environmental Health Services Division
Notice: Siting and setback distances must be maintained free of permanent structures, driveways, patios, or swimming pool construction.
4. AS-BUILT DRAWING & PUBLIC RECORDS AUDIT
Drawing Availability Not Confirmed
No drawing is linked to this entry. A paper drawing or approved permit has not been confirmed; check the source or contact Public Health - Seattle & King County - Environmental Health Services Division.
5. EPA PUMPING GUIDANCE & LOCAL MAINTENANCE COSTS (PUB. 832-F-12-001)
U.S. EPA Service Interval Standard
• Cleanout Frequency: Every 3 to 5 years for standard gravity systems.
• The 1/3 Rule: Tank must be pumped whenever accumulated bottom sludge and floating scum exceed 30% to 33% of liquid depth, regardless of calendar years.
• Routine Inspection: Annual to triennial professional inspection recommended.
Typical King Contractor Rates
• Routine Pump-Out:$400 – $700 (average 1,000 gal).
• Full Replacement Cost: $7,000 – $18,000.
• Receipt Retention: Receipts must be retained by property owner.
6. ESCROW & TITLE DUE DILIGENCE CHECKLIST (BUYER / SELLER AUDIT)
[ ]
1. Maintenance Log & Pumping Receipts: Seller to provide verified receipts from licensed septic service company covering past 3 to 5 years.
[ ]
2. Professional Pre-Closing Inspection: Buyer advised to commission independent inspection (hydraulic dye test, tank baffle inspection, and drainfield camera scope).
[ ]
3. Bedroom Capacity Verification: Verify residence does not contain unpermitted bedrooms exceeding any bedroom limit stated in the original permit (excess occupants cause premature drainfield saturation).
[ ]
4. Surface Clearances & Risers: Verify tank access lids and effluent filter risers are secured to grade, undamaged, and clear of soil obstruction.
