RD
License active & verified
Real estate agent · Santa Maria, California

Rosemarie Dumadara Koerner

Agent, New America Realty ·CA DRE #01357107

Verify license on CA DRE Unclaimed profile — built from public records
On the web: ZillowRealtor.com

The verified record

Every number below is computed from public records of closed sales, last 24 months · how we compute this
11
homes closed, last 24 mo
▲ More than 91% of 520 Santa Maria-area agents
$6.4M
closed sales volume
$613K median sale price
91.6%
of list price achieved on sales
area average 99.4%
38%
of listings needed a price cut
Area average is 28%
Rosemarie Dumadara Koerner is a licensed real estate agent (CA DRE #01357107) with New America Realty in Santa Maria, CA, with 11 closed transactions verified in public records over the last 24 months at a median sale price of $612,500 and an average 77 days on market on listings (63 days slower than the market median). That is more recent sales in Santa Maria than 91% of the 520 agents active there.
Source: California public property records. Updated monthly. How we compute these numbers →

About Rosemarie

Compiled from public sources — not written by the agent

--> Rosemarie Dumadara Koerner | Real Estate Agent Details | Nestfully Search homes like a pro.

Estate

Performance in detail

Verified from public records · 2023–2026 · metrics shown only where at least 3 closed listings support them

Closed transactions by year

Current year is partial

9 2023 5 2024 6 2025 3 2026

Price range of closed sales

Middle 50% of Rosemarie's transactions vs the Santa Maria market

$513K $613K $666K mkt $655K
Middle 50% of sale prices; dot = agent median, dashed = market median

Who Rosemarie represents

23 total closed sides, 2023–2026

13 seller-side (57%) 10 buyer-side (43%)
Avg days on market
77
63 days slower than the market median
Active listings now
5
on market today
Closed 2023–2026
23

Where Rosemarie sells

Closed sales by ZIP, last 24 months

93455
Santa Maria
Sales3
Median price$613K
DOM vs ZIP median59 vs 14
93458
Santa Maria
Sales3
Median price$642K
DOM vs ZIP median30 vs 16
93454
Santa Maria
Sales2
Median price$515K
ZIPCity Sales (24 mo)Median priceAvg DOM
93449 Pismo Beach 1 $647K
93422 Atascadero 1 $889K
93453 Santa Margarita 1 $350K

3 more ZIPs with older sales (before the last 24 months) not shown.

Questions to ask Rosemarie in an interview

Generated from this agent's own public sales record — bring them to your first call

  1. 38% of your listings needed a price cut — how do you set the initial list price?
  2. Your listings average 77 days on market vs the 14-day local median — what's your marketing plan?
  3. Your typical sale is $613K — how does your approach change for a home like mine?
  4. Who will I actually work with day-to-day — you or a team member?

Compare with similar Santa Maria agents

Ranked by verified sales in public records, last 24 months — no agent pays for placement

AgentSales (24 mo)Median priceAvg DOMSale÷listPrice cuts
Rosemarie Dumadara Koerner 11 $613K 77 91.6% 38%
Shauna Hernandez 13 $611K
Alicia Diaz 10 $615K 64 100.8% 40%
James Gallegos 23 $615K 70 97.3% 33%
Narlene Carter Keenan 43 $610K 32 100.4% 22%
Lucia Hegge 8 $610K 47 99.6% 40%

Frequently asked questions

How many homes has Rosemarie Dumadara Koerner sold?

Rosemarie Dumadara Koerner has 23 publicly recorded closed transactions in 2023–2026, including 11 in the last 24 months (13 representing sellers, 10 representing buyers over the full period).

What price range does Rosemarie Dumadara Koerner work in?

Rosemarie Dumadara Koerner's closed sales have a median price of $612,500; the middle 50% of transactions fall between $512,500 and $665,500.

Is Rosemarie Dumadara Koerner's license active?

Rosemarie Dumadara Koerner holds an active California DRE license (#01357107). License status can be verified on the California DRE public lookup.

Rosemarie Dumadara KoernerNew America Realty · Santa Maria, CA
Check my fit

Data window 2023–2026, computed 2026-07-11 · Dispute or correct this data · *our public sales record begins 2023; Rosemarie's career may predate it