My 98 Accord is losing brake fluid from somewhere under the hood and I have no clue where from. The drivers front caliper was recently replaced and I also replaced front pads and rotors on both sides. Any help would be greatly appreciated!

 

Do you mean you are loosing fluid and you can see it via the reservoir level dropping, or is there a puddle of brake fluid under the front of the car?
If the system was recently opened and then the brakes were bled by pedal, and not using a vacuum pump, then there seals in the MC may have been damaged from overstroking the MC and causing it to fail the seals. This would cause an internal leak of the MC(cannot properly build pressure) and even possibly a leak at the back of the MC. This would cause fluid to leak at the bottom/back of the MC where it attaches to the booster. If there is a wet spot under the MC/on the Booster, then most likely the MC is leaking and will need to be replaced.

 

They were bled by pedal. The master cylinder is what I was thinking but I wasn't sure. I can see the level go down from the reservoir as well as see it on the ground, there's a large puddle underneath.

 

It's possible the caliper bolt was not fully torqued all the way and is losing brake fluid when you push the brakes. Try seeing if the bolt will torque more.