1200 Sonoma Ave An 8,725 SF unoccupied shell on a 58,806 SF lot with stud wall framing, ideal for custom office (permitted) or multi-family (use permit) buildout. 1210 Sonoma Ave A 3,930 SF fully leased medical office (Sutter Bay Medical Foundation) on a 1.35 acre parcel with 55 parking spaces, ADA compliance, and strong in-place tenancy. Highest & Best Use Several comparable office buildings in Santa Rosa have been successfully converted to multi-family residential, suggesting a viable repositioning strategy for the 1200 building. This analysis evaluates whether retaining both properties as office use or converting 1200 to multi-family (with 1210 remaining medical office) represents the highest and best use. It factors in a 24-month stabilization period, depreciation, rental income, vacancy rates, operating expenses, reserves, improvement costs, purchase price, 50 percent loan-to-value debt service, Year 1 and 7-year pre- and post-tax cash-on-cash returns with sale, a 10-year hold without sale, and taxes on sale proceeds (27 percent capital gains, 25 percent depreciation recapture).

Based on information submitted to CA_BAREIS as of January 21, 2026 4:34 PM EST . All data is deemed reliable but is not guaranteed accurate by the MLS. All information should be independently reviewed and verified for accuracy. IDX information is provided exclusively for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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1200-1210 Sonoma AvenueSanta Rosa, CA 95405Price: $2,221,000

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1200-1210 Sonoma AvenueSanta Rosa, CA 95405Price: $2,221,000

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