Monte Rio inventory snapshot: October 13, 2026. Browse 8 active listings below, plus 3 under contract. The residential entries, asking prices and statuses match our October 12 preparation snapshot. Prices and availability may have changed.

For showings, call David R. Millar, The Millar Group, Keller Williams Realty, at 707-217-1786.

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Single Family Residential (8)

21541 Highland Ter, Monte Rio listing photograph
$482,000

21541 Highland Ter, Monte Rio

Single Family Residential | 2 beds | 1 baths | 720 sq. ft.

Active as of October 13, 2026 | MLS #326051357

Listing courtesy of Mallory Lambert Silipo from Corcoran Icon Properties

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20489 Hwy 116, Monte Rio listing photograph
$549,000

20489 Hwy 116, Monte Rio

Single Family Residential | 2 beds | 2 baths | 1,047 sq. ft.

Active as of October 13, 2026 | MLS #326042180

Listing courtesy of Milli A Cannata from Vanguard Properties

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19108 Church St, Monte Rio listing photograph
$795,000

19108 Church St, Monte Rio

Single Family Residential | 4 beds | 4 baths | 2,870 sq. ft.

Active as of October 13, 2026 | MLS #326075258

Listing courtesy of David R Millar from Keller Williams Realty

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Active Under Contract (3)

These properties were already under contract at the snapshot date and are excluded from the active count above. Ask whether a specific listing accepts backup offers.

21883 Hwy 116, Monte Rio listing photograph
$549,000

21883 Hwy 116, Monte Rio

Single Family Residential | 3 beds | 2 baths | 1,168 sq. ft.

Active Under Contract as of October 13, 2026 | MLS #325097014

Listing courtesy of Micah V Suard from W Real Estate

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What changed: an unchanged residential snapshot

This first published Monte Rio edition establishes a dated baseline. Today's all-type city search returns 11 listings, all classified in the feed as single-family residential: eight active and three active under contract. Compared with our October 12 residential preparation snapshot, the MLS numbers, asking prices and statuses are unchanged. That is a verified one-day observation, not evidence of a long-term slowdown.

Local perspective: five active homes below $600,000

Five of the eight active listings have asking prices below $600,000. Buyers in that range have several properties to compare, but the asking price alone does not describe usable space or ongoing ownership costs.

21541 Highland Ter is listed at $482,000 with two bedrooms, one bathroom and 720 reported square feet. 21498 Starrett Hill Rd is listed at $499,000 with two bedrooms, two bathrooms and 1,097 reported square feet. The $17,000 difference in asking price accompanies a second bathroom and 377 more reported square feet. Inspections and disclosures are needed to evaluate the actual tradeoff.

20489 Hwy 116 and 21684 Starrett Hill Dr are both listed at $549,000. The first reports two bedrooms, two bathrooms and 1,047 square feet; the second reports three bedrooms and one bathroom, but the feed does not supply square footage. For a buyer choosing between them, the floor plan and missing area information matter more than treating the equal asking prices as equal value.

The three under-contract entries are separated from the available selection. Their presence does not establish how quickly properties are selling or whether backup offers are accepted. Ask about the status of the specific listing.

When comparing Monte Rio properties, evaluate the actual approach, parking, water and wastewater service, parcel-specific flood exposure, insurance and maintenance responsibilities. The inventory includes different street locations, but an address alone does not verify those conditions.

Scope: all property categories returned by the website IDX search for Sonoma County and MLS city Monte Rio on October 13, 2026. Listings withheld from IDX or labeled under another city are outside this result set. Separate MLS entries for an address are retained. This is a dated snapshot, not an automatically updated live listing display.

Discuss your Monte Rio property search

Tell me your price range and the properties you want to compare. Call 707-217-1786 for showings and help evaluating the documented condition, costs and options.

David R. Millar | The Millar Group | Keller Williams Realty

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Property data and listing photographs sourced from this website's IDX feed and checked October 13, 2026. Prices are asking prices at the snapshot date, not sold prices. Property facts are as reported; verify all information, legal use, acreage and floor area. Listing brokerage attribution accompanies each card. Inclusion does not identify The Millar Group as the listing broker. Prices and availability may change.

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