4300 Agate Rd, Boulder, CO 80304 Property Records

Boulder County property record for 4300 Agate Rd, Boulder, CO 80304 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	4 Baths
Year Built	Built 1995
Square Footage	2,762 sqft Living Area
Lot Size	37,040 sqft (0.85 acres)
Occupancy	Owner Occupied
Last Sale	$191,100 (1988)
Tax Bill	$17,985.00 (2025)

Owner

Source: Boulder County records · APN 1463-18-4-03-004

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	2 Individual Names on File
Mailing Address	4300 AGATE RD, BOULDER, CO 80304-1316
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jan 12, 1988 · Amount on Record
Deed Sale	Jan 12, 1988 · Amount on Record
Prior Sale	Jan 27, 1986 · Amount on Record
Deed Doc Number	1988897715
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
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 and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$203,048 (+8.8%) Land $111,670 Building $91,378	$2,986,000 (-) Land $1,642,200 Building $1,343,800
2025	$17,985.00 (+3.33%)	$186,626 (-4.66%) Land $102,638 Building $83,988	$2,986,000 (+2.2%) Land $1,642,200 Building $1,343,800
2023	$17,406.00 (+22.41%)	$195,747 (+33.78%) Land $104,480 Building $91,267	$2,921,600 (+38.77%) Land $1,559,400 Building $1,362,200
2022	$14,220.00	$146,319 Land $84,707 Building $61,612	$2,105,300 Land $1,218,800 Building $886,500

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft

Wildfire

Wildfire Risk	Low above 32% of the US · above 15% of Colorado
Wildfire Likelihood	About 1 in 2,041 per year
Exposure	Direct burnable vegetation at the parcel

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

Property Details

APN / Parcel Number

Primary APN	`1463-18-4-03-004`
Alternative APNs	`R0032958` `0032958`

Interior

Bedrooms	3 Beds
Full Baths	4 Baths
Partial Baths	3 Partial Baths
Total Rooms	7 Rooms
Building Area	2,762 sqft Living Area
Gross Area	3,182 sqft Gross Area
1st Floor	2,762 sqft 1st Floor
Stories	1 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1995
Architectural Style	Ranch Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Roof Material	Asphalt Roof
Lot Area	37,040 sqft (0.85 acres)
Parking Spaces	6 Parking Spaces
Garage Type	Attached Garage
Garage Area	420 sqft Garage

Exterior Amenities

Deck Area	140 sqft Deck
Patio Area	1,118 sqft Patio
Porch	Porch
Porch Area	137 sqft Porch

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0032958
Street Address	4300 AGATE RD
City	BOULDER
State	CO
Zip	80304-1316
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 4 BLK 3 GITHENS ACRES & 1/2 VAC AGATE RD
Legal Range	70
Legal Township	1N
Legal Section	18
Legal Subdivision	GITHENS ACRES - BOV
Legal Block	3
Legal Lot Number	4
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	2
Census Block	2022
Census Tract	12103