GSA3320

Estimate Worksheet

Agency
GSA
Revision
Rev. 7/2015
Fillable fields
269
Pages
1
Official source
GSA form page
Checked
October 20, 2026
Fill GSA3320 online
Page 1 of form GSA3320

GSA Form 3320: Estimate Worksheet

GSA Form 3320, Estimate Worksheet, is a General Services Administration form, REV. 7/2015. The footer prints GENERAL SERVICES ADMINISTRATION, and GSA hosts it in its forms library.

It is a one-page worksheet for an itemized estimate. The header identifies the originating office, the project and city, the project and contract numbers, the purpose and the item. Each line describes a piece of work with its quantity, then material and labor costs per unit with subtotals, and the sheet ends in a grand total, a signature and a date.

The PDF prints no instructions, filing address or routing. A Sheet No. ___ of ___ block lets a longer estimate run over several sheets. You can fill it out free in your browser on this page and download the result without an account.

Top of page 1 of GSA Form 3320: Estimate Worksheet, as printed by GSA

What's on GSA Form 3320

Originating office and numbers

Originating office, date submitted, project number and contract number.

Project, purpose and item

Project and city, purpose and item.

Validity, estimator and sheet

Estimate valid to, estimated by, date, and Sheet No. ___ of ___.

Description of work and quantity

One line per item of work, with the number of units and the unit of measure.

Material, labor and subtotals

Material per unit and subtotals, labor per unit and subtotals, and a separate Subtotals column on the right.

Grand total and signature

A Grand Total row, then a signature line and a date.

How to complete GSA Form 3320

  1. 1

    Identify the project

    Enter the originating office, date submitted, project number, contract number, project and city, purpose and item.

  2. 2

    Set validity and estimator

    Fill in the Estimate Valid To date, the Estimated By name and its date, and the sheet number.

  3. 3

    List the work

    Describe each item of work on its own line, with the number of units and the unit of measure.

  4. 4

    Price material and labor

    Enter the material and labor cost per unit and their subtotals, and the line subtotal in the right-hand Subtotals column.

  5. 5

    Total, sign and date

    Complete the Grand Total row, then sign and date the sheet.

The PDF prints no instructions. These steps follow the blocks it prints.

Why fill Form GSA3320 on indox

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  • The official blank straight from the GSA, not a copy someone retyped
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Where it goes and what the form says

Where it goes

The PDF prints no filing address or routing instruction. The header records the originating office and the date submitted.

Several sheets

The Sheet No. ___ of ___ block numbers each sheet of a longer estimate.

What the PDF does not include

The PDF prints no OMB number, privacy notice, burden estimate or instructions. GSA's page lists Current Revision Date 07/2015 and no authority or regulation.

Who completes GSA Form 3320?

  • The originating office

    The first header block names the originating office, next to the date submitted.

  • The estimator

    The Estimated By block, with its own date, records who prepared the estimate.

  • The signer

    A signature line and date close the sheet. The form does not say whose signature it is.

  • The project or contract

    Blocks for the project number, contract number, project and city, purpose and item tie the sheet to a specific piece of work.

The PDF does not say who fills it in. It has blocks for these roles.

Official sources and the blank

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Questions about Form GSA3320

Who issues GSA Form 3320?

The footer prints GENERAL SERVICES ADMINISTRATION and GSA 3320 (REV. 7/2015). GSA hosts a copy in its forms library.

Where is GSA Form 3320 sent?

The PDF prints no address or routing instruction. It records the originating office and the date submitted.

How long is the estimate valid?

The form has an Estimate Valid To block for a date. It prints no default period.

Can an estimate run over more than one sheet?

The form has a Sheet No. ___ of ___ block for numbering the sheets.

What costs does the worksheet break out?

Material and labor, each with a per unit cost and subtotals, plus a separate Subtotals column and a Grand Total row.