Turnkey Sonoma retreat with STR eligibility, positioned to capture peak summer demand from day one. Single-level living on just over an acre, where the setting unfolds as a private, park-like environment, quiet, expansive, and intentionally designed to feel removed while remaining close to town. Offering approximately 3,872 square feet with three bedrooms and three full bathrooms, the home balances indoor comfort with a strong connection to the outdoors. Rare short-term rental eligibility introduces a level of flexibility not often found in Sonoma. The property can be enjoyed as a personal retreat while also offering the ability to generate income when not in use, an increasingly sought-after combination for second-home buyers and investors alike. With the season ahead, there is an immediate opportunity to begin using the home while also capturing summer rental demand, one of the most active periods in the Sonoma market. Each bedroom is positioned with direct outdoor access, bringing in natural light and reinforcing the connection to the landscape. The primary suite is designed as a true retreat, featuring a walk-in steam shower, soaking tub, dual vanities, and a walk-in closet. Radiant floor heating runs throughout the home, adding a level of comfort that is subtle but impactful. Recent improvements include fresh interior and exterior paint, a new kitchen backsplash, an upgraded 200-amp electrical panel, and owned solar. The kitchen opens to the main living area, with direct access to the pool and deck, creating an effortless indoor-outdoor flow. The grounds are fully realized, offering a series of outdoor rooms'' designed for gathering, entertaining, or a quiet retreat. The pool has been resurfaced with PebbleTec and enhanced with new border and stair tile, complemented by a freestanding spa, creating a resort-style setting within the property. Positioned at approximately $644 per square foot, the home represents one of the most compelling value opportunities currently available in the $2M-$3M range in Sonoma, offering a combination of land, scale, and flexibility that is increasingly difficult to find. Located just minutes from Sonoma's historic Plaza, with access to wineries, dining, boutique shopping, a private golf course, and miles of hiking and biking trails.A Sonoma property that offers both lifestyle and positioning, ready to be enjoyed now, with the flexibility to perform over time. Offered fully furnished!
Single-familyProperty Type
1974Year Built
1.08 acresLot Size
$568Price/Sq.Ft.
2 garage spacesParking
Listed by Aaron Kopelman•DRE #02014954• Sotheby's International Realty
•510-517-5453 (agent)
•aaron@aaronkopelman.com (agent)
Bought with Aaron Kopelman•DRE #02014954• Sotheby's International Realty
Est. $5,805 per month, based on comparable rentals
Sale and tax history for 900 W Agua Caliente Rd
Sale History
Tax History
Date
Event
Price
BAREIS #326029022
Jun 18, 2026
Sold
$2,200,000
$568/sq ft
Jun 12, 2026
Pending
—
Apr 10, 2026
Listed
$2,495,000
$644/sq ft
Public Records
Oct 3, 1996
Sold
$311,000
$80/sq ft
Public Records
May 12, 1987
Sold
$240,000
$62/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$11,861 (+1.9%)
$394,985 + $640,216
$1,035,201
2024
$11,641 (+1.9%)
$387,241 + $627,663
$1,014,904
2023
$11,422 (+1.3%)
$379,649 + $615,356
$995,005
2022
$11,271 (+2.0%)
$372,205 + $603,291
$975,496
2021
$11,046 (+0.3%)
$364,907 + $591,462
$956,369
2020
$11,010 (+3.2%)
$357,752 + $579,865
$937,617
2019
$10,671 (+1.2%)
$354,084 + $573,920
$928,004
2018
$10,543 (−36.2%)
$347,142 + $562,667
$909,809
2017
$16,515 (+6.0%)
$333,663 + $540,819
$874,482
2015
$15,586 (+0.9%)
$327,121 + $530,215
$857,336
2014
$15,448 (+0.6%)
$315,897 + $507,119
$823,016
2013
$15,360 (+1.0%)
$315,897 + $507,119
$823,016
2012
$15,212 (+1.5%)
$314,470 + $504,828
$819,298
2011
$14,991 (+61.3%)
$308,304 + $494,930
$803,234
2010
$9,296 (+109.4%)
$302,259 + $485,226
$787,485
2009
$4,439 (+2.7%)
$320,000 + $500,000
$820,000
2007
$4,324
$148,792 + $234,604
$383,396
Public record
Public record
Permits
Beds
3
Baths
3.5
Stories
1
Lot width
—
Lot depth
—
Lot size
1.08 Acres
Year renovated
2002
Sq. Ft.
3,872
Year built
1974
Style
Single Family Residential
County
Sonoma County
APN
133140036000
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 13, 2026.
Nov 6, 2020 • Final
Building permit with plan check
Install a whole house backup generator.
Generator
Feb 5, 2018 • Final
Building permit with plan check
Electrical
Solar
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.