The original Romford was established in 1876. But there was no league football for them to play until they joined the South Essex League in 1896.
An internal dispute saw several committee and players leave to form a new club in 1909, called Romford United and competing directly against Romford in the South Essex League at a ground literally across the road.
The original club continued under new management and joined the Southern League while still playing in the South Essex League, but played only a single season before leaving.
The new regime at the original club proved disastrous, being expelled from the South Essex League during the 1910-11 season and subsequently folding, leaving Romford United as the only club with the town's name.
They changed to Romford Town and joined the Athenian League, but finished bottom in their first season and left at the end of their second, before closing down during World War I. Romford Town had remained members of the South Essex League and returned to action after the war, but lack of support saw them withdraw in December 1920 and fold.
In 1929 the club was re-established. In 1959 they switched to Division One of the Southern League. They were promoted to the Premier Division in their first season after finishing second, and won the Premier Division in 1966–67. The club made several applications to join the Football League, but were never successful in the elections. In 1974–75 they finished second bottom of the Premier Division, and were relegated to Division One.
By this time the club had developed Brooklands considerably in anticipation of eventually being elected to the Football League and had large debts to show for it, and had to sell Brooklands in 1975 but remained until 1977. After a season of borrowing grounds to play home matches they resigned from the Southern League and folded in 1978, with the building work on a new ground barely started and hardly any money left.
In 1992 the club was resurrected for a second time and joined the Essex Senior League. They won the league in 1995–96, and in the summer merged with Collier Row (with whom they had been groundsharing since April) to form Collier Row & Romford. The new club took Collier Row's place in Division Two of the Isthmian League, which they won in their first season. In the summer of 1997 they were renamed Romford.
In 2000–01 they finished second bottom of Division One and were relegated to Division Two. After finishing bottom the following season they resigned to go back to the Essex Senior League. They returned to the Isthmian League after winning the Senior League in 2008–09.
The Club has led a largely nomadic existence, playing at seventeen home grounds during its history although most of these have been emergency arrangements when their established home ground was unavailable for various reasons. When the Club reformed in 1992 it began playing at the Hornchurch Stadium, before moving to Ford United's Rush Green ground in 1995.
In April 1996 they moved to Collier Row's Sungate ground, and the clubs merged during the summer. The spell at Sungate was fraught with problems and there were frequent and protracted periods when Romford had to borrow other grounds to play home matches owing to problems with the facilities at Sungate.
In December 2001 they left Sungate for good and played at several different stadiums in order to complete the season. They returned to Rush Green in 2002 (as Ford United had left to groundshare with Barkingside).
They remained there until 2008, when they moved to Aveley's Mill Field ground.
In 2009 it was announced that the club had been given permission to build a new stadium on the Westlands Playing Fields on London Road, however building work has yet to commence.
Since 2012–13, Romford have been sharing with Thurrock F.C. at Ship Lane.
Southern Premier League
- Champions 1966-67
Southern Division One League
- Runners Up 1959-60
Southern League Cup
- Finalists 1969-70
FA Amateur Cup
- Finalists 1948-49
- Champions 1935-36, 1936-37
Isthmian Devision Two League
Essex Senior League
-Champions 1995-96, 2008-09
Essex Senior League Cup
- Winners 1968-69
- Finalists 1965-66
Attendance: 18,237 vs Southall, FA Amateur Cup 4th Round (replay), 28 February 1953
Biggest victory: 9–0 vs Hullbridge Sports, Essex Senior League, 21 October 1995
Biggest defeat: 0–15 vs Darwen, FA Cup, 5 March 1885