01 / Contract Profile
W912P721P0012 Federal Contract Award
Agency code 2100
OPTION TO EXTEND SERVICES (NOV 1999) FOR W912P721P0012 LAKE SONOMA SEPTIC SERVICES. THE PERIOD OF PERFORMANCE FOR THIS EXTENSION IS FROM 21 MAY 2026 TO 20 SEPTEMBER 2026.
02 / Contract Size and Status
What is the recorded size and timing of this contract?
03 / Spending Trend
W912P721P0012 contract spending by fiscal year
Annual net obligations across the complete period available for this agency and PIID, from the first recorded fiscal year through the latest contract action.
Latest fiscal year obligations$24.2K
FY 2026Net obligationsComplete recorded range
| Fiscal year | Net obligations | Actions | Change |
|---|---|---|---|
| FY 2021 | $63.7K | 1 | — |
| FY 2022 | $65.5K | 1 | +2.9% |
| FY 2023 | $69.0K | 1 | +5.3% |
| FY 2024 | $72.5K | 2 | +5.0% |
| FY 2025 | $72.5K | 1 | +0.0% |
| FY 2026 | $24.2K | 1 | −66.7% |
04 / Federal Buyer
Which organization manages this contract?
| Department | Contracting agency | Contracting office |
|---|---|---|
| DEPT OF DEFENSE | DEPT OF THE ARMY | W075 ENDIST SAN FRAN |
05 / Contractor
Who holds this federal contract?
UNITED SITE SERVICES OF CALIFORNIA INC
UEI M593TPGY15C3 · CAGE 4EB72
06 / NAICS Industries
Which industries classify this contract?
| Code | Description | Obligations | Actions | Share |
|---|---|---|---|---|
| 562991 | SEPTIC TANK AND RELATED SERVICES | $367.4K | 7 | 100.0% |
07 / Products and Services
What products or services were purchased?
| Code | Description | Obligations | Actions | Share |
|---|---|---|---|---|
| S222 | HOUSEKEEPING- WASTE TREATMENT/STORAGE | $367.4K | 7 | 100.0% |
08 / Place of Performance
Where is the work recorded?
GEYSERVILLE, SONOMA, CALIFORNIA, UNITED STATES
ZIP 954419510
09 / Contract Actions
What modifications and obligations were recorded?
| Signed date | Modification | Obligation | Contracting office | NAICS | PSC |
|---|---|---|---|---|---|
| May 20, 2026 | P00006 | $24.2K | W075 ENDIST SAN FRANOffice code W912P7 | 562991 | S222 |
| May 21, 2025 | P00005 | $72.5K | W075 ENDIST SAN FRANOffice code W912P7 | 562991 | S222 |
| May 20, 2024 | P00004 | $72.5K | W075 ENDIST SAN FRANOffice code W912P7 | 562991 | S222 |
| Jan 5, 2024 | P00003 | $0 | W075 ENDIST SAN FRANOffice code W912P7 | 562991 | S222 |
| Mar 23, 2023 | P00002 | $69.0K | W075 ENDIST SAN FRANOffice code W912P7 | 562991 | S222 |
| May 5, 2022 | P00001 | $65.5K | W075 ENDIST SAN FRANOffice code W912P7 | 562991 | S222 |
| May 21, 2021 | Base action | $63.7K | W075 ENDIST SAN FRANOffice code W912P7 | 562991 | S222 |
10 / Reading the Contract
How should this award record be interpreted?
Read the PIID as a transaction history, not as a single purchase price. Net obligations combine the base action with later increases, reductions, corrections, and deobligations recorded under the same contract.
Verify the buyer
Agency and office identify who manages the procurement relationship.
Follow modifications
Each action can change funding, scope, dates, or administrative terms.
Compare the market
Use NAICS, PSC, and the contractor profile to identify related buyers and competitors.