Taxi from Caltrain, 4th and King to Union Square

A taxi from Caltrain, 4th and King to Union Square costs about $11.30, day or night (1.6 mi, about 11 min). From the official San Francisco taxi tariff in force since 1 July 2025, checked 3 November 2026.

Weekday daytime · metered $11.30 $11.30 in light traffic · $16.50 in heavy 1.6 mi · about 11 min

Pick-up charge, Taxicab rate of fare, includes the first 0.2 miSan Francisco Taxicab Rates of Fare (updated 14 May 2025)
$4.15
Taxicab rate of fare: 1.39 mi, 5.0 min in slow trafficSan Francisco Taxicab Rates of Fare (updated 14 May 2025)
$7.79
Included in the pick-up chargeSan Francisco Taxicab Rates of Fare (updated 14 May 2025)
−$0.65
Meter steps of 0.65 (a started step counts)San Francisco Taxicab Rates of Fare (updated 14 May 2025)
$0.01
Total, typical traffic
$11.30

The route is the quickest by road (OpenStreetMap data); journey times allow for the city's usual traffic.
Luggage that doesn't fit inside or in the closed trunk, per piece (up to): $1.00 may be added.
Cleaning fee, if the taxi is left unfit for passengers (up to): $150.00 may be added.

Through the day

When	Typical fare	Light to heavy traffic	What changes
Weekday daytimeTuesday 12:00	$11.30	$11.30–$16.50	The reference time
Weekday rush hourTuesday 17:30	$11.30	$11.30–$16.50	Only the traffic
NightTuesday 23:30	$11.30	$11.30–$16.50	Only the traffic
Weekend afternoonSaturday 14:00	$11.30	$11.30–$16.50	Only the traffic

Where you start and end

Pick-up: Caltrain, 4th and King: The Caltrain terminal at 4th and King Streets, for trains down the Peninsula to Palo Alto and San Jose.
Drop-off: Union Square: The square at the centre of the shopping district, ringed by hotels and department stores, with the Powell Street cable cars a block away.

About this trip

How much is a taxi from Caltrain, 4th and King to Union Square?: About $11.30 on a weekday in the daytime, $11.30 to $16.50 depending on traffic, for 1.6 mi (about 11 min).
Is it a flat fare or the meter?: The meter: $4.15 to start, then $3.25 per mile.
Which surcharges apply?: None on a weekday in the daytime.
Does the time of day change the fare?: No, it comes to about $11.30 at any time.
What else may be added?: Luggage that doesn't fit inside or in the closed trunk, per piece (up to) $1.00; Cleaning fee, if the taxi is left unfit for passengers (up to) $150.00.

Zones and charges on this trip

Caltrain, 4th and King is in Within 15 miles of the city limits. Union Square is in Within 15 miles of the city limits.

Charge	On this trip	When it applies
Out-of-town trip, more than 15 miles beyond the city limits (150% of the meter)	No	Trips starting at City and County of San Francisco, ending outside Within 15 miles of the city limits

Route

Usually via 3rd Street and Geary Street. Drivers may take another way when traffic is heavy.

San Francisco and SFO (taxi service area)
Airports
Your route

More trips

Change the time or passengers

Union Square to Fisherman's Wharf Union Square to Golden Gate Bridge Welcome Center Union Square to Oracle Park Union Square to Haight-Ashbury Cruise Terminal (Pier 27) to Union Square San Francisco International Airport (SFO) to Union Square North Beach (Washington Square) to Caltrain, 4th and King Ferry Building to Chase Center Moscone Center to The Castro Moscone Center to Palace of Fine Arts Salesforce Transit Center to The Mission (24th Street)Nob Hill (Grace Cathedral) to Chase Center San Francisco International Airport (SFO) to Fisherman's Wharf San Francisco International Airport (SFO) to Ferry Building San Francisco International Airport (SFO) to Moscone Center San Francisco International Airport (SFO) to Salesforce Transit Center