4643 18th St, #C4, Boulder, CO 80304 Property Records

Boulder County property record for 4643 18th St, #C4, Boulder, CO 80304 · Last verified June 2026

Property Highlights

Property Type	Residential > Condominium / Townhouse > Condominium
Bedrooms	2 Beds
Bathrooms	1 Baths
Architecture Style	Condo/Apartment
Year Built	Built 1999
Square Footage	852 sqft Living Area
Lot Size	25 sqft (0.001 acres)
Last Sale	$101,765 (2007)
Tax Bill	$656.00 (2025)

Owner

Source: Boulder County records · APN 1463-07-0-13-004

Assessment roll updated June 15, 2026 · Last verified June 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on File
Mailing Address	4643 18TH ST, BOULDER, CO 80304-4356
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Mar 19, 2007 · Amount on Record
Deed Sale	Mar 19, 2007 · Amount on Record
Prior Sale	Jul 13, 2001 · Amount on Record
Deed Doc Number	20072843295
Record Refreshed	Sep 20, 2026

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$7,487 (+8.81%) Building $7,487	$110,096 (-) Building $110,096
2025	$656.00 (+98.19%)	$6,881 (-8.49%) Building $6,881	$110,096 (-1.9%) Building $110,096
2023	$331.00 (-51.25%)	$7,519 (+2.75%) Building $7,519	$112,231 (+6.59%) Building $112,231
2022	$679.00	$7,318 Building $7,318	$105,294 Building $105,294

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Moderate above 62% of the US · above 49% of Colorado
Wildfire Likelihood	About 1 in 490 per year
Exposure	Indirect within ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Property Details

APN / Parcel Number

Primary APN	`1463-07-0-13-004`
Alternative APNs	`R0143160` `0143160`

Interior

Bedrooms	2 Beds
Full Baths	1 Baths
Total Rooms	4 Rooms
Building Area	852 sqft Living Area
Gross Area	1,257 sqft Gross Area
1st Floor	405 sqft 1st Floor
Upper Floors	447 sqft Upper Floors
Basement Area	405 sqft Basement
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1999
Effective Year Built	Effective 1999
Architectural Style	Condo/Apartment Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Lot Area	25 sqft (0.001 acres)
Porch	Porch
Porch Area	90 sqft Porch

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0143160
Street Address	4643 18TH ST, C4
City	BOULDER
State	CO
Zip	80304-4356
Property Usage	Residential Property Usage
Type	Residential > Condominium / Townhouse > Condominium
Legal Description	IMPS ONLY UNIT C4 BUENA VISTA CONDOS 2ND PHASE & UND 2.65% INT IN GCE SEE ID 143163 FOR LAND
Legal Range	70
Legal Township	1N
Legal Section	07
Legal Subdivision	BUENA VISTA CONDOS 2ND PHASE - BO
Legal Block	1
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	1
Census Block	1014
Census Tract	12105