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Thurston County · Region guide

Rochester

The southwest county locality, recorded additions and rural residential roads.

Explore 3 place profiles ↓

The setting

Rochester and Grand Mound are separate browsing areas; neither is an incorporated city.

The homes

Town-area houses, larger lots, manufactured homes and rural properties.

Before you compare

Unincorporated Thurston County; Rochester is a locality and mailing area, not a city.

0 community profiles · 3 planning / plat profiles

Go one level closer

Neighborhoods within Rochester

3 profiles

Map & everyday geography

Get to know the streets

A closer look at the area.

Explore local streets and landmarks. Pins orient you to the area; shaded outlines are city-mapped associations, not the boundaries of this browsing region.

Streets: OpenStreetMap. Outlines: City of Olympia association data, retrieved September 19, 2026. Association outlines are not city limits or the full extent of every guide.View all neighborhoods →
Detailed neighborhood research, recorded names & construction history

Inside Rochester

Neighborhoods, subdivisions & smaller places.

Compare each place on its own. Builder history, house age, style and ownership arrangements can change between neighboring streets. Recorded-name groups and dated development projects are labeled separately from established communities.

Plat records

Brewer La Ten Acre Tracts

County parcel records identify Brewer La Ten Acre Tracts around IRWIN ST SW, SARGENT RD SW, APPLEGATE ST SW. Related record names and divisions remain separate until their original maps and governing documents establish the relationship.

Recorded construction samples:
  • 1914–2026 · 139 year observations · 1.15-acre median residential lot

Sampled buildings; not a complete buildout history.

Housing history, ownership & sources
Construction history
1914–2026 in 139 county year-built observations; median 1979. This is a recorded-building sample, not a complete original buildout chronology.
Residential lot sample
1.15 acres median across 140 residential observations. Individual lots vary; this is not a subdivision-wide minimum or maximum.
Housing & styles
An architectural style is not inferred from a year-built field. Confirm the actual house and original plans.
Homebuilder
Original builder has not been established in the sources reviewed.
Street examples
IRWIN ST SW · SARGENT RD SW · APPLEGATE ST SW. Sample streets, not a boundary or a matched parcel list.
Parcel-sample jurisdiction
Unincorporated Thurston County. This reflects the sampled parcels, not every property in the wider browsing region.
Recorded names & construction-year samples (1 record groups)

October 10, 2026 research snapshot. These are legal-description search groups, not a count of homes or certified plat boundaries. Divisions, phases and similarly named records remain separate. Year-built fields can include later replacement buildings and non-house property types.

Assessor sample by exact recorded name
Recorded nameYear-built sampleResidential lot sample
BREWER LA TEN ACRE TRACTS198 named parcel observations1914–2026139 year observations · median 19791.15 acres median140 acreage observations

Acreage is the median of positive lot-size observations below 100 acres coded RES in the research, not a measurement of every home lot. Samples can be incomplete or overlap; do not add them to calculate community totals. Confirm the actual parcel, original permit, additions and recorded map before relying on a date or size.

Evidence: parcel records. Development dates, association formation and individual home completion are separate facts. Research updated October 10, 2026.

Read the place profile →

Plat records

Rochester

County parcel records identify Rochester around HWY 12 SW, TO 10133 MEADOWSIDE LN SW. Related record names and divisions remain separate until their original maps and governing documents establish the relationship.

Recorded construction samples:
  • 1901–2026 · 83 year observations · 0.38-acre median residential lot

Sampled buildings; not a complete buildout history.

Housing history, ownership & sources
Construction history
1901–2026 in 83 county year-built observations; median 1971. This is a recorded-building sample, not a complete original buildout chronology.
Residential lot sample
0.38 acres median across 71 residential observations. Individual lots vary; this is not a subdivision-wide minimum or maximum.
Housing & styles
An architectural style is not inferred from a year-built field. Confirm the actual house and original plans.
Homebuilder
Original builder has not been established in the sources reviewed.
Street examples
HWY 12 SW · TO 10133 MEADOWSIDE LN SW. Sample streets, not a boundary or a matched parcel list.
Parcel-sample jurisdiction
Unincorporated Thurston County. This reflects the sampled parcels, not every property in the wider browsing region.
Recorded names & construction-year samples (1 record groups)

October 10, 2026 research snapshot. These are legal-description search groups, not a count of homes or certified plat boundaries. Divisions, phases and similarly named records remain separate. Year-built fields can include later replacement buildings and non-house property types.

Assessor sample by exact recorded name
Recorded nameYear-built sampleResidential lot sample
ROCHESTER133 named parcel observations1901–202683 year observations · median 19710.38 acres median71 acreage observations

Acreage is the median of positive lot-size observations below 100 acres coded RES in the research, not a measurement of every home lot. Samples can be incomplete or overlap; do not add them to calculate community totals. Confirm the actual parcel, original permit, additions and recorded map before relying on a date or size.

Evidence: parcel records. Development dates, association formation and individual home completion are separate facts. Research updated October 10, 2026.

Read the place profile →

Plat records

Township Place

County parcel records identify Township Place around MELON CT SW, NUTMEG CT SW, SW TOWNSHIP CT. Related record names and divisions remain separate until their original maps and governing documents establish the relationship.

Recorded construction samples:
  • 1977–1991 · 18 year observations · 0.43-acre median residential lot

Sampled buildings; not a complete buildout history.

Housing history, ownership & sources
Construction history
1977–1991 in 18 county year-built observations; median 1979. This is a recorded-building sample, not a complete original buildout chronology.
Residential lot sample
0.43 acres median across 18 residential observations. Individual lots vary; this is not a subdivision-wide minimum or maximum.
Housing & styles
An architectural style is not inferred from a year-built field. Confirm the actual house and original plans.
Homebuilder
Original builder has not been established in the sources reviewed.
Street examples
MELON CT SW · NUTMEG CT SW · SW TOWNSHIP CT. Sample streets, not a boundary or a matched parcel list.
Parcel-sample jurisdiction
Unincorporated Thurston County. This reflects the sampled parcels, not every property in the wider browsing region.
Recorded names & construction-year samples (1 record groups)

October 10, 2026 research snapshot. These are legal-description search groups, not a count of homes or certified plat boundaries. Divisions, phases and similarly named records remain separate. Year-built fields can include later replacement buildings and non-house property types.

Assessor sample by exact recorded name
Recorded nameYear-built sampleResidential lot sample
TOWNSHIP PLACE18 named parcel observations1977–199118 year observations · median 19790.43 acres median18 acreage observations

Acreage is the median of positive lot-size observations below 100 acres coded RES in the research, not a measurement of every home lot. Samples can be incomplete or overlap; do not add them to calculate community totals. Confirm the actual parcel, original permit, additions and recorded map before relying on a date or size.

Evidence: parcel records. Development dates, association formation and individual home completion are separate facts. Research updated October 10, 2026.

Read the place profile →

A named place is included even when photographs or a complete builder history are still being gathered. Exact home facts belong to its parcel, plat, permits and current association documents.

A closer look inside Rochester

Start with the details that change from one place to another.

These local profiles surface a useful contrast in construction history, development or property responsibilities. Open the source notes before applying a community-level fact to a specific address.

History & construction

Brewer La Ten Acre Tracts

“BREWER LA TEN ACRE TRACTS” has 139 county records with a year built from 1914–2026, median 1979; sampled residential lots have a 1.15-acre median (140 observations). These assessor samples help compare building eras, but do not establish the first or last home in a subdivision or the permit history of an individual address.

Open this place profile →

Plat records

Rochester

“ROCHESTER” has 83 county records with a year built from 1901–2026, median 1971; sampled residential lots have a 0.38-acre median (71 observations). These assessor samples help compare building eras, but do not establish the first or last home in a subdivision or the permit history of an individual address.

Open this place profile →

Plat records

Township Place

“TOWNSHIP PLACE” has 18 county records with a year built from 1977–1991, median 1979; sampled residential lots have a 0.43-acre median (18 observations). These assessor samples help compare building eras, but do not establish the first or last home in a subdivision or the permit history of an individual address.

Open this place profile →
Sources & how to read this research

Parcel-research snapshot: October 10, 2026. Page copy reviewed October 11, 2026. Regional labels are browsing choices; original records determine parcel facts. The directory is an expanding researched selection, not a certified complete inventory of every subdivision.

How the neighborhood records are interpreted →

← Browse all Thurston County regions · Compare two local guides ↗
Landmark photographs do not establish school attendance, public access or property rights.

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