New Haven is the third largest city in Connecticut behind Stamford and Bridgeport.

These are the tallest buildings in New Haven, Connecticut. Most of the buildings on the list were built around the late 60s and early 70s.

Rank	Name	Image	Height ft (m)	Floors	Year	Notes
1	Connecticut Financial Center		383 (117)	26	1990	Currently, the sixth-tallest building in Connecticut; fourth-tallest in the state upon completion in 1990.[1]
2	360 State Street		338 (103)	31	2010	Second largest apartment building in Connecticut after Park Tower Stamford.[2]
3	Knights of Columbus Building		322 (98)	23	1969
4	One Century Tower		281 (85)	19	1990
5	New Haven Savings Bank Tower		270 (82)	18	1974
6	Kline Biology Tower		251 (76)	16	1966	59th-tallest educational building in the world.
7	Yale New Haven Hospital Cancer Center		240 (73)	13	2008
8	Southern New England Telephone Company Administration Building		232 (70)	17	1938	Listed on the National Register of Historic Places.
9	Union and New Haven Trust Building		231 (70)	13	1927	Now known as The Union
10	100 College Street		230 (70)	13	2015
11	St. Mary's Church (New Haven, Connecticut)		229 (69)	1	1874	Tallest church in New Haven.
12	Crown Towers		224 (68)	22	1967	Tallest residential building in New Haven until the completion of 360 State Street.
13	Harkness Tower		216 (65)	9	1921	Tallest clock tower in the city. Third tallest building in the Yale university campus.
14	Center Court Apartments		213 (64)	13	1916
15	SBC Building		212 (64)	10	1955
16	Bella Vista Buildings (A,B,C)		211 (64)	17	1973	[3]
17	Bella Vista Buildings (D,E)		235 (72)	19	1973	[3]
18	Long Wharf Maritime Center		209 (63)	15	1985
19	Hall Of Graduate Studies		208 (63)	14	1932
20	One Tower		206 (62)	21	1971	Also known as the Jewish Community Council Tower.[4]
21	Omni New Haven Hotel		205 (62)	19	1966	Tallest hotel in New Haven and the fourth-tallest hotel in Connecticut.[5]
22	Center Church On The Green		205 (62)	1	1812	Tallest of the three churches on the green. A crypt lies underneath the church.[6]
23	Payne Whitney Gymnasium		200 (61)	16	1932	Second largest gymnasium in the world.[7]
24	Bass Tower		196 (58)	?	2017	Part of the Pauli Murray college.
25	Taft Apartments		185 (56)	12	1911
26	One Church Street		183 (55)	8	1961	Houses the Consulate Of Ecuador.[8]
27	Madison Towers		183 (55)	17	1963
28	234 Church Street		181 (55)	15	1972
29	900 Chapel Street		179 (54)	13	1966

This lists buildings that once held the title of tallest building in New Haven, Connecticut.

Name	Image	Street address	Years as tallest	Height ft (m)	Floors
Union and New Haven Trust Building		205 Church Street	1927–1938	231 (70)	13
Southern New England Telephone Company Administration Building		227 Church Street	1938–1966	232 (70)	17
Kline Biology Tower		219 Prospect Street	1966–1969	251 (76)	16
Knights of Columbus Building		One Columbus Plaza	1969–1990	322 (98)	23
Connecticut Financial Center		157 Church Street	1990–present	383 (117)	26

This lists buildings that are under construction, approved for construction or proposed for construction in New Haven.

* Table entries with dashes (—) indicate that information regarding building heights, floor counts, or dates of completion has not yet been released.