Professional 2800+/- sqft office building on 3/4 acre on a private residential lane in Montecito Heights. Property is located in a residential neighborhood and could possibly be converted into a residence, buyers to verify. This is a one of a kind commercial property in a beautiful, wooded area that is minutes from downtown Sant Rosa. Beautifull updated with over $300,000 of recent improvements that includes foundation work, newer decks, newer ducting, newer electrical panels, new solar panels, newer updated ADA compliant bathrooms, newer TPO roof, newer flooring, and interior paint. Property has 14 parking spaces, dual HVAC heating and AC systems, reception area, 5 to 6 offices, 2 bathrooms, main office area, drafting room or open office space, kitchen, and storage area. Property is currently being used as an owner-user construction company office, with a zoning variance permit. It was formerly a law office and originally built in the 1940s as an architect's office. Property is hooked up to both city water and city sewer.
Single-familyProperty Type
1944Year Built
0.77 acresLot Size
$317Price/Sq.Ft.
14 spacesParking
Listed by Todd Bertolone•DRE #01024983• Bertolone Realty
•707-322-6831 (agent)
•toddbert@sonic.net (agent)
Bought with Johnny Fonseca•DRE #01505590• Wong Real Estate Broker
Est. $3,215 per month, based on comparable rentals
Sale and tax history for 4010 Montecito Ave
Sale History
Tax History
Date
Event
Price
BAREIS #326011657
Jul 9, 2026
Sold
$910,000
$317/sq ft
May 12, 2026
Pending
—
Mar 9, 2026
Contingent
—
Feb 13, 2026
Listed
$1,150,000
$401/sq ft
Public Records
Jan 16, 2018
Sold
$810,000
$282/sq ft
Public Records
Dec 11, 1998
Sold
$415,000
$145/sq ft
Public Records
Jun 23, 1994
Sold
$157,500
$55/sq ft
Year
Property tax
Land + Additions
Assessment*
2010
$5,685 (−0.5%)
$244,734 + $263,091
$507,825
2009
$5,715 (+2.0%)
$242,905 + $261,125
$504,030
2007
$5,600
$238,709 + $256,614
$495,323
Public record
Public record
Permits
Beds
—
Baths
—
Stories
1
Lot width
—
Lot depth
—
Lot size
0.77 Acres
Year renovated
—
Sq. Ft.
2,216
Year built
1944
Style
Single Family Residential
County
Sonoma County
APN
181390020
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Apr 10, 2023.
Apr 18, 2022 • Final
Non-residential addition-alteration
Install a new roof-mounted photovoltaic system and an energy storage system on a residential building.
Battery
Electrical
Solar
Jan 14, 2022 • Final
Residential addition-alteration
Remove the existing roof and install new composition shingles.
Roofing
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.