| 1 | Sat 11 Aug 2018 | 21-0 v LewesLewes 0-1 Carshalton Athletic | Bostik League Premier Division |
| 2 | Sat 15 Sep 2018 | 21-1 v Bognor Regis TownCarshalton Athletic 1-1 Bognor Regis Town | Bostik League Premier Division |
| 3 | Sat 22 Sep 2018 | 21-3 v Bishop's StortfordBishop's Stortford 3-1 Carshalton Athletic | Bostik League Premier Division |
| 4 | Sat 29 Sep 2018 | 20-2 v MersthamMerstham 2-0 Carshalton Athletic | Bostik League Premier Division |
| 5 | Mon 1 Oct 2018 | 2 1-2 v MargateCarshalton Athletic 1-2 Margate | Bostik League Premier Division |
| 6 | Sat 13 Oct 2018 | 24-0 v Harlow TownHarlow Town 0-4 Carshalton Athletic | Bostik League Premier Division |
| 7 | Sat 20 Oct 2018 | 2 1-0 v Potters Bar TownCarshalton Athletic 1-0 Potters Bar Town | Bostik League Premier Division |
| 8 | Tue 23 Oct 2018 | 23-2 v Folkestone InvictaFolkestone Invicta 2-3 Carshalton Athletic | Bostik League Premier Division |
| 9 | Sat 27 Oct 2018 | 22-2 v Metropolitan PoliceMetropolitan Police 2-2 Carshalton Athletic | Buildbase FA Trophy First Qualifying Round |
| 10 | Mon 29 Oct 2018 | 22-1 v Metropolitan PoliceCarshalton Athletic 2-1 Metropolitan Police | Buildbase FA Trophy First Qualifying Round |
| 11 | Mon 5 Nov 2018 | 22-2 v LeatherheadCarshalton Athletic 2-2 Leatherhead | Surrey Senior Cup First Round |
| 12 | Sat 10 Nov 2018 | 23-1 v Harlow TownCarshalton Athletic 3-1 Harlow Town | Buildbase FA Trophy Second Qualifying Round |
| 13 | Mon 12 Nov 2018 | 22-0 v WhitehawkCarshalton Athletic 2-0 Whitehawk | Bostik League Premier Division |
| 14 | Sat 17 Nov 2018 | 22-3 v Corinthian-CasualsCarshalton Athletic 2-3 Corinthian-Casuals | Bostik League Premier Division |
| 15 | Sat 24 Nov 2018 | 22-0 v Walton CasualsCarshalton Athletic 2-0 Walton Casuals | Buildbase FA Trophy Third Qualifying Round |
| 16 | Mon 26 Nov 2018 | 20-0 v Dorking WanderersCarshalton Athletic 0-0 Dorking Wanderers | Bostik League Premier Division |
| 17 | Sat 1 Dec 2018 | 21-0 v Enfield TownCarshalton Athletic 1-0 Enfield Town | Bostik League Premier Division |
| 18 | Sat 8 Dec 2018 | 2 2-3 v Burgess Hill TownBurgess Hill Town 3-2 Carshalton Athletic | Bostik League Premier Division |
| 19 | Sat 15 Dec 2018 | 21-0 v Dorking WanderersCarshalton Athletic 1-0 Dorking Wanderers | Buildbase FA Trophy First Round |
| 20 | Sat 22 Dec 2018 | 20-2 v Wingate & FinchleyWingate & Finchley 2-0 Carshalton Athletic | Bostik League Premier Division |
| 21 | Wed 26 Dec 2018 | 20-1 v LeatherheadLeatherhead 1-0 Carshalton Athletic | Bostik League Premier Division |
| 22 | Sat 29 Dec 2018 | 23-0 v Tonbridge AngelsCarshalton Athletic 3-0 Tonbridge Angels | Bostik League Premier Division |
| 23 | Sat 12 Jan 2019 | 24-1 v SalisburyCarshalton Athletic 4-1 Salisbury | Buildbase FA Trophy Second Round |
| 24 | Sat 2 Feb 2019 | 23-3 v BarnetCarshalton Athletic 3-3 Barnet | Buildbase FA Trophy Round of 16 |
| 25 | Sat 9 Feb 2019 | 23-1 v Haringey BoroughCarshalton Athletic 3-1 Haringey Borough | Bostik League Premier Division |
| 26 | Tue 12 Feb 2019 | 21-2 v BarnetBarnet 2-1 Carshalton Athletic | Buildbase FA Trophy Third Round Replay |
| 27 | Sat 16 Feb 2019 | 21-1 v KingstonianKingstonian 1-1 Carshalton Athletic | Bostik League Premier Division |
| 28 | Sat 23 Feb 2019 | 22-1 v LewesCarshalton Athletic 2-1 Lewes | Bostik League Premier Division |
| 29 | Sat 2 Mar 2019 | 2 4-2 v Folkestone InvictaCarshalton Athletic 4-2 Folkestone Invicta | Bostik League Premier Division |
| 30 | Mon 4 Mar 2019 | 22-0 v Harlow TownCarshalton Athletic 2-0 Harlow Town | Bostik League Premier Division |
| 31 | Sat 9 Mar 2019 | 21-0 v Potters Bar TownPotters Bar Town 0-1 Carshalton Athletic | Bostik League Premier Division |
| 32 | Sat 16 Mar 2019 | 23-2 v Dorking WanderersDorking Wanderers 2-3 Carshalton Athletic | Bostik League Premier Division |
| 33 | Sat 23 Mar 2019 | 23-0 v Brightlingsea RegentCarshalton Athletic 3-0 Brightlingsea Regent | Bostik League Premier Division |
| 34 | Sat 30 Mar 2019 | 20-1 v Corinthian-CasualsCorinthian-Casuals 1-0 Carshalton Athletic | Bostik League Premier Division |
| 35 | Sat 6 Apr 2019 | 25-1 v Wingate & FinchleyCarshalton Athletic 5-1 Wingate & Finchley | Bostik League Premier Division |
| 36 | Sat 13 Apr 2019 | 23-0 v Enfield TownEnfield Town 0-3 Carshalton Athletic | Bostik League Premier Division |
| 37 | Fri 19 Apr 2019 | 22-0 v Burgess Hill TownCarshalton Athletic 2-0 Burgess Hill Town | Bostik League Premier Division |
| 38 | Mon 22 Apr 2019 | 20-1 v Tonbridge AngelsTonbridge Angels 1-0 Carshalton Athletic | Bostik League Premier Division |
| 39 | Sat 27 Apr 2019 | 22-1 v Bishop's StortfordCarshalton Athletic 2-1 Bishop's Stortford | Bostik League Premier Division |
| 40 | Thu 2 May 2019 | 21-2 v MersthamCarshalton Athletic 1-2 Merstham | Bostik League Premier Division Play-off Semi Final |
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