Studio
$1,124/mo
425 ft² · $2.64/ft²
Available: Contact for availability
Updated
Union San Marcos
4.1 (792 reviews)
Official Website
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Live pricing, refreshed
10
Units Listed
$1,124
Starting at
$1,339
Average
$1,520
Highest
$2.35
Per Sq Ft
How does this compare? View San Marcos 78666 rent trends
Beds
Pricing by Bedroom
Studio
$1,227
from $1,124 · 4 units
~425 sqft avg
1 Bed
$1,415
from $1,309 · 6 units
~667 sqft avg
Rent Distribution
Price by Bedroom
Price Breakdown
Rent by Unit
Price vs. Square Footage
Price History
Timeframe
Property Price Trend
History follows your bedroom selection. Current rent limits and move-in dates do not change past averages.
Estimated Building Revenue
How is this calculated?
Rental revenue model
We follow each unit's listing activity at this building every day. When a unit stops being listed, we assume it leased at its last listed rent, adjusted for any advertised move-in special. Revenue is the sum of those assumed lease rents across the building's occupied units.
- Building size: modeled from how many distinct units we have observed over time
- Occupancy: building size minus currently listed units
- Rents: observed lease-offs first, current asking rents as fallback
These are research estimates, not financial statements from the operator. Confidence: observed data only.
Observed Lease Revenue
$22K/mo
from 19 tracked leases; not enough coverage yet for a whole-building estimate
Effective Rent on New Leases
$1,165
vs $1,339 current asking ($174 negotiation gap)
Recent Lease Activity
29 units tracked; 19 assumed leased, 10 listed nowSee which units leased, when they left the market, and the rent they leased at.
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How is this calculated?
Negotiation Leverage Score (0-100)
Based on 5 observable signals from the property's listing data:
- +30 pts: 15+ units currently listed
- +25 pts: Active move-in specials
- +20 pts: Deep discounts (>$150/mo off)
- +15 pts: 5+ distinct floor plans
- +10 pts: 25+ units listed
All signals come directly from the property's own listings. Occupancy and building size appear only in the Estimated Building Revenue section, and only when the building size is stated by the property or our unit-level observation history is deep enough to model it.
Listed Units
10
Moderate availability
10 floor plans
Move-in Specials
0
No active promotions
Negotiation Leverage
Limited leverage
The available listings show few signs of room to negotiate.
Price vs. San Marcos 78666
Neighborhood The Ranch $549 Millennium on Post $599 Treehouse $865 Cheatham Street Flats $878 Encino Pointe $899 Villas at Willow Springs $925 The Local Downtown $1,034 $1,208 Whispering Pointe Apartments $1,231 Avelyn San Marcos $1,257
Union San Marcos $1,124
Hawthorne at Blanco Riverwalk Comparing 11 apartments in San Marcos 78666. Click any bar to view that building.
See San Marcos 78666 rent trends on the San Marcos, TX map Explore San Marcos, TX on the interactive map
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Available Units
Select a unit to see its price history and link to the rental site.
Studio
$1,129/mo
425 ft² · $2.66/ft²
Available: Contact for availability
1 Bed
$1,309/mo
650 ft² · $2.01/ft²
Available: Contact for availability
1 Bed
$1,319/mo
683 ft² · $1.93/ft²
Available: Contact for availability
Studio
$1,324/mo
425 ft² · $3.12/ft²
Available: Contact for availability
Studio
$1,329/mo
425 ft² · $3.13/ft²
Available: Contact for availability
1 Bed
$1,410/mo
650 ft² · $2.17/ft²
Available: Contact for availability
1 Bed
$1,420/mo
683 ft² · $2.08/ft²
Available: Contact for availability
1 Bed
$1,510/mo
650 ft² · $2.32/ft²
Available: Contact for availability
1 Bed
$1,520/mo
683 ft² · $2.23/ft²
Available: Contact for availability
| Unit | Floor Plan | Details | |||||
|---|---|---|---|---|---|---|---|
| -- | | Studio / --ba | 425 | $1,124 | $2.64 | -- | |
| -- | | Studio / --ba | 425 | $1,129 | $2.66 | -- | |
| -- | | 1bd / --ba | 650 | $1,309 | $2.01 | -- | |
| -- | | 1bd / --ba | 683 | $1,319 | $1.93 | -- | |
| -- | | Studio / --ba | 425 | $1,324 | $3.12 | -- | |
| -- | | Studio / --ba | 425 | $1,329 | $3.13 | -- | |
| -- | | 1bd / --ba | 650 | $1,410 | $2.17 | -- | |
| -- | | 1bd / --ba | 683 | $1,420 | $2.08 | -- | |
| -- | | 1bd / --ba | 650 | $1,510 | $2.32 | -- | |
| -- | | 1bd / --ba | 683 | $1,520 | $2.23 | -- | |
Unit Details
Chart
Garages and parking
Parking, wellness and pet policy details for this building are available to Pro members: garage type and any monthly fee, bike storage, EV charging, amenities such as a sauna or cold plunge, and stated pet rent and weight limits.
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Train activity nearby
Freight line 1,995 ft away · 12 trains/day
- 6 daytime, 6 overnight
- Quiet zone. Horns are silenced at the nearest crossing.
- Operator: UP
City Club
Resident Notes & Access Codes
Real tips from people who lived at this property: what leasing and daily living are actually like, plus the gate, parking, and entry codes you only learn once you move in. See all San Marcos, TX notes
No resident notes for this property yet.
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San Marcos 78666 Rent Trends
See how rent prices are changing in San Marcos 78666 and across San Marcos, TX.