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Home/Site Plans/Williamson Creek Interceptor
✅ Approved and ReleasedDistrict 3

Williamson Creek Interceptor

The applicant is proposing approximately 37.07 acres for a gravity wastewater interceptor.

📍 5010-1/2 WASSON RD, AUSTIN, TX, 78745📄 Site Plan🏛️ AUSTIN FULL PURPOSE
Entitled100%
Timeline
Applied: Aug 8, 2022
Updated: Oct 16, 2025

📊Site Plan Metrics

#12991656
FAR:—
Impervious:62.9%
Applied:Aug 8, 2022
Approved:Jun 17, 2025
✅

Approved and Released

Step 5 of 5: Released ✓

Site plan fully approved and released. All conditions cleared. Ready for construction permitting.

Next:Pull building permits to begin construction.

📋Scope of Work

The applicant is proposing approximately 37.07 acres for a gravity wastewater interceptor.

📅Entitlement Timeline

Application Filed
+30d
August 8, 2022
In Review
+1014d
September 7, 2022
Approved
June 17, 2025

📍Location & Views

Open in MapsGet Directions|30.21014, -97.77133

💰Property Tax Assessment

View on TCAD
$488K
Property Value
Market, Appraised & Assessed values are equal
Land: $488K (100%)Improvements: — (0%)
📍
Property Address (TCAD)
WASSON RD 78745
👤
Property Owner (TCAD)
CITY OF AUSTIN
Acres:0.56
Tax Year:2026
Type:FARM AND RANCH IMPR ON NON-AG LAND

📈Property Value History

Year-over-year assessed values from HCAD/TCAD records

Tax YearLand ValueImprovementMarket ValueAppraisedTrend
2025$487,860$0—$487,860
2024$200,000$0—$200,000
2023$200,000$0—$200,000
2022$200,000$0—$200,000
2021$200,000$0—$200,000

🤝 Project Team

🏠 Owner Contact
L
Leon Reballor
Roger O'Brien Construction
📝 Applicant Contact
C
Cece Oestrick
CAS CONSULTING AND SERVICES, INC.
(512) 836-2388

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Key Stakeholders

🏠
Owner
Roger O'Brien Construction
View full profile →
📝
Developer / Applicant
CAS CONSULTING AND SERVICES, INC.
View full profile →

Quick Links

City of Austin ABC PortalView Location (Satellite)Property Tax Records
Case #12991656

Zoning & Land Use

Current Zoning
P-NP
Existing Use
Raw/Undeveloped
Proposed Use
Public/Civic

Environmental & Geographic

Watershed ClassSuburban Watershed
🎓 School DistrictAUSTIN ISD
Impervious Cover62.9%

Case Manager

👤
Meg Greenfield
City of Austin Development Services

Explore Area

🏙️
AUSTIN
Directory by city
📮
ZIP 78745
Projects in this ZIP
🏛️
Council District 3
From site plan record
📍
Southeast Combined
Neighborhood Plan

📌 Case Details

Case Number12991656
Case TypeSite Plan
Sub TypeSite Plan Administrative
Permit NumberSP-2022-1368D
JurisdictionAUSTIN FULL PURPOSE
TCAD ID0414051201
Property RSN5399543

🔗 Related Cases

Case #NA

Legal Description

ABS 8 SUR 20 DECKER I ACR .56

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