4000 Darley Ave, Boulder, CO 80305 Property Records

Boulder County property record for 4000 Darley Ave, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.75 ba · 1,432 sqft · built 1962
Lot Size	0.163 acres (7,087 sqft)
Owner	Company Name on File
Last Sale	$1,000,000 (Jul 2021)
Tax Bill	$7,172 (2025)
Deeds & Mortgages	Feb 2026 Transfer Jul 2021 Sale + 2 more
Flood Zone	Zone X (minimal risk)
APN	`1577-08-1-16-004`

Property Details

APN / Parcel Number

Primary APN	`1577-08-1-16-004`
Alternative APNs	`R0012448` `0012448`

Interior

Bedrooms	3 Beds
Full Baths	2.75 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,432 sqft Living Area
Gross Area	1,754 sqft
1st Floor Area	1,432 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1962
Effective Year Built	Effective 2000
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	7,087 sqft (0.163 acres)
Garage Type	Attached
Garage Area	322 sqft
Parking Spaces	1 Parking Space
Patio Area	150 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0012448
Street Address	4000 DARLEY AVE
City	BOULDER
State	CO
Zip	80305-6521
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 4 BLK 6 MOUNTAIN TERRACE
Legal Range	70
Legal Township	1S
Legal Section	08
Legal Subdivision	MOUNTAIN TERRACE - BO
Legal Block	6
Legal Lot Number	4
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1010
Census Tract	12509

Owner

4000 Darley Ave is owned by a company that acquired it in February 2026.

Source: Boulder County records, as of September 18, 2026

Owner of Record	Company Name on File
Mailing Address	4000 DARLEY AVE, BOULDER, CO 80305-6521
Owner Type	Company
Vesting	Limited Liability Partnership

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Feb 24, 2026	Quit Claim Deed, Transfer Quitclaim
Jul 6, 2021	Special Warranty Deed, Transfer LAND TITLE GUARANTEE
Oct 5, 2020	Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA
Jun 28, 2019	Warranty Deed, Transfer · ARM PREMIER MEMBERS CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 6, 2021 · Amount on File
Deed Sale	Jul 6, 2021 · Amount on File
Prior Sale	Jun 28, 2019 · Amount on File
Deed Document Number	20213897720
Last Transfer Date	Feb 23, 2026
Transfer Doc	0004121097
Record Updated	Oct 29, 2026

February 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Feb 24, 2026
Property Address	4000 DARLEY AVE, BOULDER, CO 80305-6521
Document Number	0004121097
Instrument Date	Feb 23, 2026
Instrument	4121097
Transaction Type	Transfer
Record Updated	Mar 19, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	2634 S KRAMERIA ST, DENVER, CO 80222-7104

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2634 S KRAMERIA ST, DENVER, CO 80222-7104

July 2021: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jul 6, 2021
Property Address	4000 DARLEY AVE, BOULDER, CO 80305-6521
Document Number	0003897720
Instrument Date	Jul 1, 2021
Instrument	3897720
Transaction Type	Transfer
Record Updated	Jul 19, 2021
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount on Record
Tax	$100.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	4000 DARLEY AVENUE, 4000, BETHUNE, CO 80805

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4000 DARLEY AVENUE, BETHUNE, CO 80805

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4000 DARLEY AVE, BOULDER, CO 80305-6521
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003821227
Date	Oct 5, 2020
Instrument	3821227

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank
Address	COLUMBUS, OH 43240

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Oct 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	2.87%
Adjustable	Adjustable Rate Rider
Type Change Date	Oct 1, 2027
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	7.87%
Index	1-Year LIBOR
Max Rate	7.87%

June 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jun 28, 2019
Property Address	4000 DARLEY AVE, BOULDER, CO 80305-6521
Document Number	0003721046
Map Reference	MB 7 PG 36
Instrument Date	Jun 26, 2019
Instrument	3721046
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	CHICAGO TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$73.20
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	4000 DARLEY AVE, BOULDER, CO 80305-6521

Mortgage

Document Number	0003721047
Date	Jun 28, 2019
Instrument	3721047

Lender

Name	PREMIER MEMBERS CU
Type	Credit Union

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2049

Interest

Rate Type	Adjustable Rate
Rate	3.65%
Adjustable	Adjustable Rate Rider
Type Change Date	Jul 1, 2029
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	8.62%
Index	1-Year LIBOR
Max Rate	8.62%

Tax Assessment & Valuation

The 2025 property tax bill for 4000 Darley Ave was $7,172.

Source: Boulder County assessment roll, as of September 18, 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		$76,167 (+2.4%) Land $53,849 Building $22,318	$1,190,100 (-) Land $861,900 Building $328,200
2025	$7,172.00	$74,382 Land $53,869 Building $20,513	$1,190,100 Land $861,900 Building $328,200
2023	$6,897.00 (+28.27%)	$82,685 (+42.79%) Land $61,814 Building $20,871	$1,234,100 (+48.12%) Land $922,600 Building $311,500
2022	$5,377.00	$57,908 Land $45,474 Building $12,434	$833,200 Land $654,300 Building $178,900

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

FEMA maps place 4000 Darley Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.

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	7 in force
Nearby Flood Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Feb 1998 · tidal / storm surge

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

Wildfire risk around 4000 Darley Ave is low, with a 0.03% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · lower than 91% of Colorado
Wildfire Likelihood	0.03% annual chance
Exposure	None beyond ember reach

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 604 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	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100

May also be available: AT&T, T-Mobile.

Nearby Properties on Darley Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures