FAR 52.219-14 Subcontracting Limits: A Step-by-Step Bidding Guide

By QuickBidSetup Editorial Team · Published October 30, 2026 · Sources linked below

When bidding on federal small business set-aside construction projects, general contractors and specialty trade contractors must follow strict limits on how much work can be transferred to subcontractors. Under federal procurement regulations, these thresholds prevent pass-through arrangements and preserve the integrity of small business awards. Estimators must calculate these caps accurately before submitting a proposal.

Step One: Determine Contract Classification and Subcontracting Limits

Federal procurement rules set specific caps based on the North American Industry Classification System (NAICS) designation assigned to the solicitation. Under FAR 52.219-14 and FAR 19.505, prime contractors must comply with the following boundaries:

General Construction: For contracts assigned a NAICS code for general construction, the contractor will not pay more than 85 percent of the amount paid by the Government for contract performance, excluding the cost of materials, to subcontractors that are not similarly situated entities.
Specialty Trade Construction: For contracts assigned a NAICS code for construction by special trade contractors, the contractor will not pay more than 75 percent of the amount paid by the Government for contract performance, excluding the cost of materials, to subcontractors that are not similarly situated entities.
Non-Construction Services: For services contracts (except construction), the firm will not pay more than 50 percent of the amount paid by the Government to subcontractors that are not similarly situated entities.

These rules establish the maximum portion of job performance payments that can leave the prime contractor and its qualified partners.

Step Two: Deduct Material Costs Before Applying Percentage Caps

A crucial rule within both FAR 52.219-14 and FAR 19.505 is that the construction limitations exclude the cost of materials. Subcontracting percentages are calculated against the amount paid by the Government for contract performance minus materials.

Estimators should cleanly isolate physical building products from installation labor, equipment operation, and project management. Isolating material lines ensures you do not inadvertently treat material purchases as subcontracted performance. Reviewing vendor packages with a thorough bid day checklist helps maintain clear separation between supply deliveries and onsite trade agreements.

Step Three: Verify Qualified Similarly Situated Entities

The subcontracting ceilings apply only to payments issued to firms that are not similarly situated entities. Under FAR 52.219-14(b), a similarly situated entity is defined as a first-tier subcontractor, including an independent contractor, meeting two conditions:

It has the same small business program status that qualified the prime contractor for the award (for instance, on a small business set-aside contract, any small business concern regardless of socioeconomic status).
It is considered small under the size standard for the NAICS code assigned to the subcontract by the prime contractor.

Payments made to qualifying first-tier partners do not count against your subcontracting limit. However, independent contractors are legally considered subcontractors under this clause and must meet the same small business status test. Estimators should carefully level subcontractor bids to confirm trade classifications and eligibility before finalizing subcontract commitments.

Step Four: Track Lower-Tier Subcontracting Flow-Downs

Work passed to a similarly situated entity only avoids counting against the cap if that entity self-performs the work. Both FAR 52.219-14(e) and FAR 19.505(b) make clear that any work a similarly situated entity further subcontracts will count towards the prime contractor's subcontract amount that cannot be exceeded.

On a general construction contract, if your qualified small business partner subs out portions of its scope downstream to another company, that lower-tier work counts directly against your 85 percent threshold. On a special trade job, downstream subcontracting by a partner counts against the 75 percent threshold. Primes must establish visibility into lower-tier execution plans early in the estimating process.

Step Five: Apply Self-Performance Rules to Joint Ventures

When bidding as part of a joint venture, FAR 52.219-14(g) mandates that the aggregate of the joint venture participants perform the required percentage of work. Additionally, specific rules govern small business participants:

In a joint venture between a small business protégé and its mentor approved by the Small Business Administration, the small business protégé shall perform at least 40 percent of the work performed by the joint venture.
In an 8(a) joint venture, the 8(a) participant or participants shall perform at least 40 percent of the work performed by the joint venture.
In both joint venture structures, the work completed by the protégé or 8(a) participant must represent more than administrative functions.

Step Six: Monitor Compliance Across Scheduled Periods

Compliance is assessed across timeframes established in the contract documents pursuant to FAR 52.219-14(f) and FAR 19.505(b)(2). Depending on which option the contracting officer designates, compliance must be met:

By the end of the base term of the contract and then by the end of each subsequent option period; or
By the end of the performance period for each individual order issued under the contract.

For orders set aside or awarded under subparts 19.8, 19.13, 19.14, or 19.15, compliance is evaluated by the end of the performance period for that specific order. Estimators and project teams should evaluate cumulative subcontractor payments before option milestones or order completions.

Sources

Published October 30, 2026. No affiliate links on this page. Facts come from the sources linked above; check them for updates.