Fairfax County vs Chesterfield County Building Permit Fees (2026)
Side-by-side comparison using official fee data from both Virginia counties. For an identical $15,000 deck: Fairfax County charges $504.00 all-in (verified FY2027). Chesterfield County charges $166.28 flat (verified FY2026-2027). Fairfax's percentage formula with the 10% technology surcharge makes it structurally more expensive than Chesterfield's flat-fee approach for value-priced work such as decks; Fairfax's per-square-foot pricing for additions, garages and new homes (Appendix Q FY2027) reverses the result for those project types.
For a $15,000 deck, Fairfax County charges $504.00 (3% permit + 2% levy + 10% technology surcharge). Chesterfield County charges $166.28 (flat $114 + 2% levy + $50 environmental fee). Chesterfield is less expensive by $337.72. Half of the Fairfax permit fee is due at application as a filing-fee deposit and is credited at issuance (County Code 61-1-3(d)11); it is not an extra charge. On decks the gap widens with project value because Fairfax's 3% formula has no cap. Additions run the other way: Fairfax prices them per square foot under Appendix Q FY2027, so a 300 sq ft addition costs $158.77 in Fairfax vs $456.98 in Chesterfield, and a 1,000 sq ft addition costs $168.00 in Fairfax while Chesterfield stays at the same flat $456.98. Chesterfield wins value-priced decks and alterations; Fairfax wins in-ground pools and area-priced additions up to a crossover of about 2,720 sq ft.
- Fairfax County charges 3% of construction value as the building permit fee for decks and alterations. Virginia's 2% state levy and Fairfax's 10% technology surcharge (Appendix Q Part III) apply to the permit fee. The effective all-in rate is 3.36% of project value with no cap. Additions, garages and new homes are priced per square foot instead ($0.15 wood frame, $141.75 minimum).
- Chesterfield County uses flat fees by project category: $114 for a deck, $399 for a general addition, $684 for a new single-family home. The fee does not change with construction value. A 2% USBC levy applies to the building permit only, plus a $50 Environmental Engineering fee for footprint-changing projects.
- For a $15,000 deck, Chesterfield is $337.72 less expensive than Fairfax. For additions Fairfax now prices by floor area: a 300 sq ft addition is $158.77 in Fairfax vs $456.98 in Chesterfield (Fairfax saves $298.21), and a 1,000 sq ft addition is $168.00 vs $456.98 (Fairfax saves $288.98).
- Payment timing differs, not the total: Fairfax collects half of the permit fee at application as a plan review filing-fee deposit and credits it toward the permit fee at issuance (County Code 61-1-3(d)11). Chesterfield does not list a separate plan review fee - the cost appears bundled in the flat rate.
- For in-ground pools, Fairfax charges a flat $83.50 building permit (plus $1.67 levy + $8.35 technology surcharge = $93.52 all-in). Chesterfield charges $57 flat (plus $50 env fee + $1.14 levy = $108.14 all-in). Fairfax saves $14.62.
- Both counties collect Virginia's mandatory 2% USBC state levy (Code of VA §36-137), but they apply it differently: Fairfax on the building permit fee (alongside its own 10% technology surcharge), Chesterfield on the building inspection fee only.
- Fairfax data reflects the FY2027 Appendix Q fee schedule (amendment 05-26-Q, adopted May 5, 2026, effective July 1, 2026, verified September 18, 2026). Chesterfield data is from the FY2026-2027 official PDF (effective through June 30, 2027).
What Is Verified in This Comparison
Both counties' data on this page are verified from official sources. No estimates are used. The Fairfax figures reflect the FY2027 Appendix Q schedule (effective July 1, 2026), verified September 18, 2026.
| Data Point | Fairfax County | Chesterfield County |
|---|---|---|
| Fee schedule source |
Verified Appendix Q, LDS Fee Schedule, FY2027 (effective July 1, 2026) |
Verified Official PDF, FY2026-2027 (July 1, 2026 - June 30, 2027) |
| Fee calculation method |
Verified 3% of value (decks, alterations) or $0.15/sq ft (additions, new construction) + 2% levy + 10% technology surcharge |
Verified Flat fee by project category + 2% levy + $50 env fee |
| USBC state levy (2%) |
Verified Applied to the building permit fee, alongside a 10% county technology surcharge |
Verified Applied to building inspection fee only |
| Environmental Engineering fee |
N/A No equivalent disclosed in Appendix Q for residential |
Verified: $50 Applies to footprint-changing projects (decks, additions, pools) |
| $15,000 deck total | Verified: $504.00 | Verified: $166.28 |
Note on Fairfax schedule currency: The Appendix Q data on this page is from the FY2027 fee schedule (amendment 05-26-Q, adopted May 5, 2026, effective July 1, 2026), verified against the published PDF on September 18, 2026. Verify current rates with LDS at 703-222-0801 or via the Fairfax County permit portal before budgeting or filing.
Fee Structure Comparison
Head-to-head comparison of the fee structure each county applies to residential building permits. Fairfax's percentage formula produces systematically higher totals than Chesterfield's flat-fee approach.
| Fee Component | Fairfax County | Chesterfield County |
|---|---|---|
| Fee calculation method | 3% of value (decks, alterations) or $0.15/sq ft (additions, new homes) + 12% levy and technology surcharge | Flat fee by project category (no formula) |
| Deck / carport / gazebo permit | 3% × value (e.g., $450 at $15k), + 2% levy + 10% tech | $114 flat (any value) |
| General room addition permit | $0.15/sq ft wood frame, $141.75 min (e.g., $141.75 permit for any addition up to 945 sq ft) | $399 flat (any value) |
| New single-family home permit | Per sq ft rate ($0.15 wood frame) × 1.12 (e.g., $336.00 at 2,000 sq ft) | $684 flat |
| In-ground pool permit | $83.50 flat + $1.67 levy + $8.35 tech = $93.52 | $57 flat + $50 env fee + $1.14 levy = $108.14 |
| Maximum residential building permit fee | No cap - 3% formula grows with project value; area-based fees grow with floor area | $684 (new SFD) - additions always $399 |
| Minimum all-in fee | $158.77 ($141.75 permit + $2.84 levy + $14.18 tech) | $58.14 ($57 + $1.14 levy - no env fee for interior work) |
| USBC state levy (2%) | Applied to the building permit, plus 10% tech surcharge | Applied to building inspection fee only |
| Environmental Engineering fee | None disclosed in Appendix Q for residential | $50 for footprint-changing projects |
| Shed - small exemption | No published exemption threshold in LDS fee schedule | No permit required for 256 sq ft and under |
| Fee schedule source | Appendix Q, FY2027 (effective July 1, 2026; verified September 18, 2026) | Official PDF, FY2026-2027 (current through June 30, 2027) |
| $15,000 deck - all-in total | $504.00 Verified | $166.28 Verified |
Three Projects, Two Counties: Line-by-Line Calculations
This comparison splits by pricing method. For value-priced work (decks and alterations at 3% of cost), Chesterfield is less expensive above about $4,950 of construction value and the gap widens as value rises, because Fairfax's formula has no cap. For area-priced work (additions, garages and new homes at $0.15 per sq ft under Appendix Q FY2027), Fairfax is less expensive up to a crossover of about 2,720 sq ft of addition, where Fairfax's $0.15 x 1.12 line meets Chesterfield's flat $456.98. Fairfax addition examples below state the assumed floor area, because declared value no longer sets the Fairfax fee. Related: see the project-specific Fairfax vs Chesterfield retaining wall fees comparison for retaining-wall projects.
Example 1: $15,000 Deck Addition
$15,000 × 3% =
$450.00
$450 × 2% =
$9.00
$450 × 10% =
$45.00
$450 + $9.00 + $45.00 =
$504.00
Schedule rate =
$114.00
$114 × 2% =
$2.28
Deck changes footprint =
$50.00
$114 + $2.28 + $50 =
$166.28
Chesterfield saves $337.72 on a $15,000 deck (67% less than Fairfax). Note: the Fairfax total includes the 10% technology surcharge ($45.00); the $225 deposit (half the $450 permit fee) paid at application is credited at issuance and does not add to the $504.00.
Example 2: $30,000 Room Addition (assumed 300 sq ft)
300 sq ft × $0.15 = $45.00, below minimum =
$141.75
$141.75 × 2% =
$2.84
$141.75 × 10% =
$14.18
$141.75 + $2.84 + $14.18 =
$158.77
Schedule rate =
$399.00
$399 × 2% =
$7.98
Addition changes footprint =
$50.00
$399 + $7.98 + $50 =
$456.98
Fairfax saves $298.21 on a 300 sq ft addition (65% less than Chesterfield). Fairfax prices additions by floor area under Appendix Q FY2027, so the $30,000 declared value does not set the fee; any addition up to 945 sq ft floors at the $141.75 minimum permit. Chesterfield stays at the flat category rate.
Example 3: $75,000 Addition (assumed 1,000 sq ft - Fairfax's area rate clears the minimum)
1,000 sq ft × $0.15 =
$150.00
$150 × 2% =
$3.00
$150 × 10% =
$15.00
$150 + $3.00 + $15.00 =
$168.00
Schedule rate =
$399.00
$399 × 2% =
$7.98
$50.00
$456.98
| Project | Fairfax County | Chesterfield County | Lower Total |
|---|---|---|---|
| $15,000 deck | $504.00 | $166.28 | Chesterfield (saves $337.72) |
| $30,000 addition (300 sq ft) | $158.77 | $456.98 | Fairfax (saves $298.21) |
| $75,000 addition (1,000 sq ft) | $168.00 | $456.98 | Fairfax (saves $288.98) |
| In-ground pool | $93.52 | $108.14 | Fairfax (saves $14.62) |
| New single-family home | $336.00 (2,000 sq ft wood frame: $300 + $6 + $30) | $747.68 ($684 + $13.68 levy + $50 env fee) | Fairfax (saves $411.68) |
All totals reflect building permit fee + 10% technology surcharge (Fairfax only) + USBC state levy. Half of the Fairfax permit fee is due at application as a filing-fee deposit and is credited at issuance (County Code 61-1-3(d)11); it is not an extra charge. Trade permits (electrical, plumbing, mechanical) are separate in both counties. Chesterfield totals for footprint-changing projects include the $50 Environmental Engineering fee. Chesterfield is less expensive than Fairfax for every deck at every construction value; Fairfax is less expensive for in-ground pools, for additions up to about 2,720 sq ft and for a 2,000 sq ft wood-frame new home. Fairfax area-based rows assume wood-frame (Type VA/VB) construction at $0.15 per sq ft; heavier construction types ($0.22 and $0.28 per sq ft) raise the Fairfax figure. Source: official fee schedules for both counties; Fairfax verified September 18, 2026, Chesterfield verified April 2026.
Why Fairfax and Chesterfield Have Different Fee Structures
Both counties operate under Virginia's Uniform Statewide Building Code (USBC). The USBC mandates the 2% state levy (Code of VA §36-137) but leaves base permit fee methodology to each jurisdiction. Fairfax and Chesterfield have taken structurally opposite approaches - one tied to project value, the other to project category.
How Fairfax County Sets Fees
Fairfax County Land Development Services (LDS) uses a percentage-based formula: for decks, alterations and other repair work the building permit fee is 3% of stated construction value with a $141.75 minimum (Appendix Q FY2027, effective July 1, 2026). Half of that permit fee is collected at application as a plan review filing-fee deposit and credited toward the permit fee at issuance (County Code 61-1-3(d)11), so it is a payment-timing rule, not an extra charge. With Virginia's 2% USBC levy and Fairfax's 10% technology surcharge on the permit fee, the effective all-in rate works out to 3.36% of project value - with no upper cap for renovation work. Additions, new detached garages and new homes are priced differently, by floor area at $0.15 per sq ft for wood frame (Table 1), with the same $141.75 minimum and the same 2% and 10% add-ons.
The 3% formula is the single biggest cost driver separating Fairfax from most other Virginia jurisdictions. The filing-fee deposit only changes when you pay: for a $15,000 deck, $225 of the $450 permit fee is due at application and the balance at issuance, and the all-in total stays $504.00. For a $50,000 kitchen alteration, the permit fee is $1,500 and the all-in total is $1,680.00.
Fairfax does use flat fees for a few specific permit types. In-ground pools carry a flat $83.50 building permit (not 3%), to which the 2% levy and 10% technology surcharge still apply, for $93.52 all-in. Solar building permits are $0 per Virginia state policy.
How Chesterfield County Sets Fees
Chesterfield County Building Inspection uses a flat-fee schedule organized by project category. A deck is always $114, a general addition is always $399, and a new single-family home is always $684 - regardless of what the project costs to build. There is no separate plan review line item; that cost appears to be bundled into the category rate.
For projects that change the building footprint - including decks, additions, garages, and pools - Chesterfield adds a $50 Environmental Engineering site inspection fee. This fee does not carry the USBC levy. For interior-only renovations that do not change the footprint, the $50 fee does not apply.
The practical effect of Chesterfield's flat-fee structure is that residential permit costs are highly predictable and capped at relatively low levels. A homeowner adding a $200,000 addition pays the same $399 building permit fee as one doing a $15,000 addition. Fairfax also ignores declared value on additions, but scales by floor area instead: a 2,000 sq ft wood-frame addition produces a $300 building permit, plus $6 levy, plus $30 technology surcharge - totaling $336.00, while a 300 sq ft addition floors at $158.77.
The 3% Formula as the Primary Driver
Most Virginia jurisdictions on this site price residential work with flat fees or a low per-$1,000 rate. Fairfax's 3% of construction value is unusual in its scale. Its plan review filing fee (50% of the permit fee, collected at application) is a deposit credited at issuance, so Fairfax's effective rate on value-priced work stays at 3% of construction value before the levy and technology surcharge - 3.36% all-in. For any deck above approximately $4,950 in construction value, Fairfax's all-in total exceeds Chesterfield's entire $166.28 deck total; below that, both sit near their floors ($158.77 Fairfax minimum vs $166.28 Chesterfield).
Homeowners moving from Fairfax County to Chesterfield County - or comparing renovation costs across the two jurisdictions - should factor in this structural difference. The permit cost for the same scope of work can differ by a factor of three or more on value-priced work such as decks, while Fairfax's area-based pricing makes it the cheaper county for additions under about 2,720 sq ft.
Frequently Asked Questions
Is Fairfax County or Chesterfield County cheaper for building permits?
It depends on how the project is priced. Chesterfield is less expensive for value-priced work: a $15,000 deck is $166.28 in Chesterfield vs $504.00 in Fairfax (Chesterfield saves $337.72). Fairfax's $158.77 minimum is below Chesterfield's $166.28 deck total only for decks under about $4,950 in value; above that, Chesterfield is always cheaper for a deck. Fairfax is less expensive for flat-fee pools ($93.52 vs $108.14, Fairfax saves $14.62) and for area-priced work under Appendix Q FY2027: a 300 sq ft addition is $158.77 in Fairfax vs $456.98 in Chesterfield (Fairfax saves $298.21), a 1,000 sq ft addition is $168.00 vs $456.98 (Fairfax saves $288.98), and a 2,000 sq ft wood-frame new home is $336.00 vs $747.68 (Fairfax saves $411.68). The addition crossover is about 2,720 sq ft, above which Chesterfield's flat $456.98 wins.
How does Fairfax's plan review filing fee work?
Fairfax County Land Development Services collects a plan review filing fee equal to 50% of the building permit fee when a residential building permit application is submitted. Under County Code 61-1-3(d)11 every fee paid at application is credited toward the full permit fee at issuance, so the filing fee is a deposit, not an extra charge: on a $15,000 deck you pay $225 at application and the remaining $225 permit balance plus the $9.00 levy and $45.00 technology surcharge at issuance, for the same $504.00 total. The deposit is non-refundable if the application expires without a permit being issued.
How much more expensive is Fairfax County compared to Chesterfield County?
It depends on the project type and value. For value-priced work, the ratio grows with project value because Fairfax's 3% formula grows proportionally while Chesterfield's flat fee stays constant: a $15,000 deck is approximately 3.0x more expensive in Fairfax ($504.00 vs $166.28), and a $30,000 deck would be about 6.1x ($1,008.00 vs $166.28). For area-priced additions the ratio runs the other way: Chesterfield's $456.98 is about 2.9x Fairfax's $158.77 for a 300 sq ft addition and about 2.7x Fairfax's $168.00 for a 1,000 sq ft addition.
Does the 50% filing-fee deposit apply to all Fairfax County residential permits?
Per Appendix Q and County Code 61-1-3(d)11, half of the building permit fee is collected at application as a plan review filing fee on residential building permit applications, including decks, additions, new construction and pools, and is credited toward the full permit fee at issuance. It changes when you pay, not how much: the $83.50 flat pool permit, for example, still totals $93.52 all-in. Solar building permits are $0 for the building permit per Virginia state policy - but even there, the residential alteration electrical permit ($141.75 + 2% levy + 10% technology surcharge = $158.77) is a separate, non-waived cost.
Does Chesterfield County have any equivalent to Fairfax's plan review fee?
No. Chesterfield's official fee schedule does not list a separate plan review fee or filing-fee deposit for residential building permits; the flat category fee is paid when the permit is issued. Because Fairfax credits its filing fee at issuance, this is a difference in payment timing rather than total cost - the gap in totals comes from Fairfax's 3% formula versus Chesterfield's flat category rates.
Do both counties require permits for sheds?
Chesterfield County exempts sheds 256 square feet and under from the building permit requirement - this is explicitly stated in its published fee schedule (no permit listed for that tier). Fairfax County Land Development Services does not publish a comparable exemption threshold in Appendix Q. Homeowners planning a small shed in Fairfax County should contact LDS at 703-222-0801 or apply through the Fairfax County permit portal to confirm whether a permit is required before beginning work.
How do I get an official fee quote from each county?
For Fairfax County: contact Land Development Services at 703-222-0801, or use the Fairfax County permit application portal at plus.fairfaxcounty.gov. The LDS fee schedule is published as Appendix Q - verify you are reviewing the current fiscal year document before calculating. For Chesterfield County: contact Building Inspection at 804-751-4990, email BIPermitsAndFees@chesterfield.gov, or apply through the ELM portal at aca-prod.accela.com/CHESTERFIELD. Only the building department can provide an official determination for your specific project.
Full Data Pages and Tools
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Official Sources
-
Fairfax County Land Development Services - Appendix Q Fee Schedule (FY2027)
fairfaxcounty.gov/landdevelopment - Appendix Q PDF
Basis for all Fairfax County building permit fees on this page. Appendix Q FY2027 (amendment 05-26-Q, adopted May 5, 2026), effective July 1, 2026. Verified September 18, 2026. Filing-fee deposit credited at issuance per County Code 61-1-3(d)11. -
Chesterfield County Department of Building Inspection - Residential Fee Schedule Summary (PDF)
chesterfield.gov/DocumentCenter/View/424/
Basis for all Chesterfield County building permit fees on this page. Effective July 1, 2026 through June 30, 2027. Accessed and verified April 16, 2026. -
Code of Virginia §36-137 - USBC State Levy (2%)
law.lis.virginia.gov/vacode/title36/chapter6/section36-137/
Statewide mandate for 2% USBC levy collected by all Virginia jurisdictions on building permits.