PSC Z1PC: Maintenance of Unimproved Real Property (LAND)
Z1PC is the product and service code (PSC) federal agencies use for maintenance of unimproved real property (land), in the maint, alter, repair buildings group. Here are the contracts open under it now, the NAICS codes it pairs with, and who buys and wins this work.
- Open contracts now
- 1
Open count as of Oct 11, 2026, 7:09 PM ET.
Open contracts with PSC Z1PC, due soonest
- Belle Fountain Ditch Cleanout Phase 2
✦ The Army Corps of Engineers (Memphis) wants a contractor to clean out the Belle Fountain Ditch channel (Phase 2) near Braggadocio, Missouri, including the Bypass of Steele and…
Due in 9 daysOct 20, 2026
Where Z1PC sits in the PSC Manual
- Category: Service
- Group Z: Maint, Repair, Alter Real Property
- Group Z1: Maint, Alter, Repair Buildings
- Code Z1PC: Maintenance of Unimproved Real Property (LAND)
NAICS codes used with PSC Z1PC
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with Z1PC most often on the notices open now:
| NAICS | Industry | Open notices |
|---|---|---|
| 237990 | Other Heavy and Civil Engineering Construction | 1 |
Spending figures from USAspending.gov (who buys this, who wins it and spending by year) are taking longer than usual to load. They will appear here in a moment, or when you reload the page in a few minutes.
Related PSC codes
- Z111 Maint – Rep – Alt/Office BLDGS
- Z112 Maint – Rep – Alt/Conf Space & Fac
- Z119 Maint – Rep – Alt/Other Admin BLDGS
- Z121 Maint – Rep – Alt/Air Traffic Towers
- Z122 Maint – Rep – Alt/Air Traffic TNG Fac
- Z123 Maint – Rep – Alt/Radar & Nav Fac
- Z124 Maint – Rep – Alt/Airport Runways
- Z125 Maint – Rep – Alt/Airport Terminals
- Z126 Maint – Rep – Alt/Missile Systems Fac
- Z127 Maint – Rep – Alt/Elct & Comm Sys Fac
Frequently asked questions
What is PSC Z1PC?
Z1PC is the service code in the federal Product and Service Code (PSC) Manual for maintenance of unimproved real property (land), under Z (Maint, Repair, Alter Real Property) and Z1 (Maint, Alter, Repair Buildings). Agencies put a PSC on every contract to record what they bought.
What is the difference between a PSC and a NAICS code?
A PSC describes what the government is buying. A NAICS code describes the industry of the business doing the work, and it sets the SBA size standard for small business set-asides. Every contract notice has both.
Which NAICS code goes with PSC Z1PC?
Most open notices under PSC Z1PC use NAICS 237990 (Other Heavy and Civil Engineering Construction). The contracting officer picks the NAICS code for each solicitation, so check the notice.
How do I find contracts that use PSC Z1PC?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notices use PSC Z1PC right now. FedReady can match new ones to your business and email you, free.