1605 Gillaspie Dr, Boulder, CO 80305 Property Records

Boulder County property record for 1605 Gillaspie Dr, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	5 bd · 2.75 ba · 2,915 sqft · built 1974
Lot Size	0.28 acres (12,192 sqft)
Owner	2 Individual Names on Record
Last Sale	$435,000 (Jan 2002)
Tax Bill	$9,321 (2025)
Deeds & Mortgages	Sep 2019 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`1577-17-2-05-029`

Property Details

APN / Parcel Number

Primary APN	`1577-17-2-05-029`
Alternative APNs	`R0010006` `0010006`

Interior

Bedrooms	5 Beds
Full Baths	2.75 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,915 sqft Living Area
Gross Area	3,815 sqft
1st Floor Area	1,490 sqft
Upper Floors Area	966 sqft
Basement Area	918 sqft
Finished Basement	459 sqft
Unfinished Basement	459 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1974
Effective Year Built	Effective 1974
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	12,192 sqft (0.28 acres)
Garage Type	Attached
Garage Area	441 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch
Porch Area	77 sqft
Patio Area	178 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0010006
Street Address	1605 GILLASPIE DR
City	BOULDER
State	CO
Zip	80305-7028
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 29 BLK 5 ROLLING HILLS
Legal Range	70
Legal Township	1S
Legal Section	17
Legal Subdivision	ROLLING HILLS & REPLAT 1 - BO
Legal Block	5
Legal Lot Number	29
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1003
Census Tract	12510

Owner

Source: Boulder County records, as of June 15, 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 Record
Mailing Address	1605 GILLASPIE DR, BOULDER, CO 80305-7028
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 11, 2002 · Amount on Record
Deed Sale	Jan 11, 2002 · Amount on Record
Prior Sale	Aug 12, 1974 · Amount on Record
Deed Document Number	20022241991
Record Updated	Sep 20, 2026

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	1605 GILLASPIE DR, BOULDER, CO 80305-7028
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003737684
Date	Sep 23, 2019
Instrument	3737684

Lender

Name	PREMIER MEMBERS CU
Type	Credit Union
Address	BOULDER, CO 80303

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	300 Months
Due	Sep 25, 2044

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$106,359 (+8.8%) Land $73,066 Building $33,293	$1,564,100 (-) Land $1,074,500 Building $489,600
2025	$9,321.00 (+12.21%)	$97,756 (-2.13%) Land $67,156 Building $30,600	$1,564,100 (+4.92%) Land $1,074,500 Building $489,600
2023	$8,307.00 (+7.66%)	$99,883 (+20.2%) Land $76,728 Building $23,155	$1,490,800 (+24.69%) Land $1,145,200 Building $345,600
2022	$7,716.00	$83,094 Land $59,513 Building $23,581	$1,195,600 Land $856,300 Building $339,300

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.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	4 in force
Nearby Flood Claims	4 (1979–2013)
Claims Outside the SFHA	4 of 4
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 3 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 67% of the US · above 60% of Colorado
Wildfire Likelihood	0.3% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 510 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
CenturyLink Fiber · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100